Protective Flooring / Coating Systems
Protective flooring and coating systems Applications. Systems. Advantages. Reaction resin systems are not only purely for industrial applications, they are also used in other areas in the commercial, public, and private sector. We can show you where and how they are used. Problems Solved.
Problems Solved. For any requirement. Ground protection and floor coating systems are a guarantee for long-term use, even in case of severely stressed floor surfaces in public, commercial, and private areas. Seamless integration of reaction resin systems offers a range of advantages and arguments for application everywhere, where floor surfaces are used and stressed and visual aspects and hygiene requirements also play a role. High-grade mechanical and chemical-resistant coatings, crack-bridging systems for exterior areas and especially low-emission and even emission-free materials offer solutions for nearly all requirements of modern coating systems, including kindergartens, recreation rooms, balconies and arcades, workshops, automobile dealer display areas, and industrial warehouses. To master influences that damage subsurface like oil contamination, vapour pressure due to missing negative sealing or negative hydraulic pressure, special reaction resin offers a safe and long-term solution, no matter whether commercial surfaces like workshops or regular cellar rooms in private homes are involved, or beneath high-quality athletic sports tracks in arenas according to Olympic standards.
Protective flooring and coating systems Applications. Systems. Advantages.
Contents 4 Protective flooring and coating systems Application areas and application fields 6 Subsurface evaluation and preparation Methods, requirements and options 7 Priming, coating, sealing Tasks and characteristics 8 Secure priming processes 10 Secure coating processes 12 Secure sealing processes 15 Four systems for long-term and secure floor protection 16 Difficult subsurfaces 17 Domestic and commercial auxiliary rooms, garages 18 Commercial floors in workshops and small industrial settings 19 Sensitive interior areas, balconies, terraces, arcades 20 Additional products 22
Tools and protective equipment
23 Standard colours 24
Dew point table
25
Glossary
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Protective flooring and coating systems Application areas and application fields
Reaction resins are used everywhere, where the requirements for chemical and mechanical resistance of product systems are especially high or especially fast further processing is desired. A schematic outline of different reaction resin system application provides an overview:
Application area/use Domestic and commercial auxiliary rooms, garages
Stresses Low, no high chemical or mechanical stresses
Special properties Low slipping prevention, slipping prevention class R9
Commercial floors in workshops and small industrial settings
Light, medium, high
Chemically and mechanically resistant, slipping prevention classes R9, R10, R11
Emissions-sensitive areas such as recreation and waiting rooms
Emission-free, slipping prevention classes R9, R10, R11
Balconies, terraces, arcades
Medium, high
Mechanically and UV-resistant, slipping prevention classes R9, R10, R11
Requirements chemical • Hygiene • Chemical resistance • Protection against fouling
mechanical • Impact resistance • Abrasion resistance • Slip prevention
The requirements for floor protection systems are as diverse as their areas of application and application fields. These surfaces can look particularly pretty and impressive, and the visual aspect can be influenced very positively with various design options, colours, and lighting influences. However, the robustness and durability of coated services significantly depends on how carefully the system
layout has been planned, how good and appropriate the subsurface preparation has been completed, and, ultimately, which systems and which methods are used to complete the work. On the following pages, we’ll provide you an overview of the necessities, methods, and suitable systems for solving your everyday and special challenges.
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Sustainable protection of concrete floors and high-quality visual aspects and aesthetics don’t need to be mutually exclusive – we’re happy to advise you!
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Subsurface evaluation and preparation Methods, requirements and options
One of the most important requirements for permanent success during application of decorative or protective coatings is professional examination, evaluation, and protection of the subsurface. The subsurface must be prepared so that an ideal connection between the concrete surface and the applied system is achieved.
Inspection The inspection enables accumulations on the subsurface to be coated (dirt, dust, mortar splashes, etc.), loose and crumbling components, condensate, cracks, and rough unevenness to be determined. Testing evenness The permitted measurement tolerances are described in DIN 18202 “Tolerances in building construction“. Inspection takes place with a measuring stick and a measuring wedge. Knock test Knocking with a hammer enables hollow position and thin, hard sinter layers to be detected according to changes in sound patterns. Wetting test Application of water, e.g. with a brush, tests the absorption ability of the subsurface. The water must be absorbed by the subsurface within a short amount of time. If this is not the case, this could be an indicator of high moisture, separating agent residues, cement sludge, or similar. Grid scratch test Diamond-shaped scratches on the surface of the subsurface using the grid scratch testing device enable the surface properties (layers, hardness, etc.) to be evaluated. No breakages may be present at intersections along with simultaneous scratch resistance.
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Moisture measurement The moisture measurement is a test to determine the suitability of the subsurface for coating, which is measured with a CM measuring device. The max. moisture content for plastic resin priming and coatings is ≤ 4.0 CM- %. In case of special priming coats, the moisture may also be higher. Electronic moisture measuring devices can in fact be used for nondestructive measurement, since the exactness nevertheless is not present, but they certainly provide a starting point. Pressure resistance test A rebound hammer (Schmidt hammer) can be used to test the pressure resistance of the concrete at points, non-destructively. Crack repair (floor surfaces) Prior to applying the primer, cracks must be opened cleaning and professionally sealed with injection resin and inserted steel clamps (injection resin system ASODUR-K900 as a secure and clean solution). Repairing holes and damaged areas The evenness of the subsurface must be prepared prior to applying the primer, and a robust, highly durable epoxy resin mortar is especially well-suited (e.g. ASODUR-EMB). Trowels and spatulas as appropriate tools. Producing a fillet A fillet is created in the wall-base
connection area with epoxy resin mortar. This makes a secure connection with the subsequent coatings possible, and damaging influences from chemicals and humidity are able to be prevented. Grinding Flat removal millimetres up to multiple centimetres is possible to level out unevenness. Shot peening The most conventional method for preparing the subsurface to create an equal, open-pored roughness. Polishing Mechanical surface processing with less material removal. High-pressure water jets Uses for poorly accessible floor surfaces and vertical surfaces. Sand blasting and water-sand blasting Removal of adhesion inhibiting surface components on vertical surfaces as well. Sweeping and vacuuming Removal of loose fine particles after the actual surface preparation. Surface tensile strength Specification of surface tensile strength by vertically pulling off an adhered peel-off stamp. The minimum tensile strength for coating work is 1.5 N/mm².
Priming, coating, sealing Tasks and characteristics
Depending on the subsurface, purpose application, and chemical and mechanical stress, reactance resin systems differ in terms of layer thickness and number of layers. Prime coats protect the subsurface on the rear side and simultaneously represent an adhesive bond for subsequent layers. Coatings form a protective film against chemical and mechanical stresses, and they can be designed visually. Sealers are treatments that form a film on the surface in thin layers.
Application Priming
Task • Concrete subsurface pore sealing • Production of mechanical or chemical connection to subsequent layers • Correction of damaging influences from the subsurface (e.g. vapour pressure or oil contamination)
Layer thickness approx. 0.1 - 0.3 mm
Coating
• Protection of the subsurface against mechanical and chemical influences • Optical design of usable areas (colour selection, effect distribution) • Increased durability of concrete surfaces
approx. 0.5 - 2.0 mm
Sealing
• Thin-layer protection of surfaces against UV stress • Top seal of bedding layers to prevent slipping and for visual design
approx. 0.1 - 0.3 mm
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Secure priming processes
Reliable and stable adhesion to the subsurface Prime coats (also called primer) are mainly used to ensure stable adhesion to the subsurface and the top coating. They offer additional protective functions for additional system structures such as coatings based on epoxy resin, polyurethane, or polyurea. High residual humidity, resulting vapour pressure from the subsurface or damaging influences of subsurface contamination, e.g. with oils or grease can be supressed with suitable primer coats or even ruled out.
Primer application Low-viscosity primers can be applied quickly and securely with short-piled rollers. With a little pressure, the fluid material penetrates every pore of the concrete subsurface permanently, and therefore produces a strong connection between the surface of the subsurface and the subsequent coating. For improved penetration into the pores of the concrete, a hard brush is used, which helps the material penetrate very deeply.
Sanding Standard primers based on epoxy resin are sprinkled with fine quartz sand while they are still fresh. The embedded quartz grains produce a secure physical connection to coatings that are applied later or other covers (tiles, natural stone, etc.).
The properties of the respective subsurface and the requirement of the subsequent coating systems specify the selection of suitable primers.
1. Application
2. Sprinkling
3. Vacuuming
The system 1 on page 16 shows a secure application on oil contaminated/humid subsurface.
INFO BOX
Easy and secure priming The better a primer penetrates into the subsurface, the stronger the adherence and therefore the security of the overall system structure. We recommend applying the primer layer with a nylon roller, 6 mm pile, with textured polyamide covering. Primer application ASODUR-SG3 in the video:
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System primers Application/ problem • Oil-contaminated surfaces • High vapour pressure • Negative hydraulic pressure
Requirement for subsurface Moist, without water film
ASODUR-SG3
• Vapour pressure • High residual moisture • Primer on old tiles • Production of leveling and scratch coat material
Moist, without water film
• Easy processing • No sanding required for the following reaction resin application • VOC-free, fulfils AgBB requirements
ASODUR-SG3superfast
• High vapour pressure • High residual moisture • Use of priming, mortar, drainage, and casting resin • Time-pressured work • Emission-sensitive areas
• Able to be accessed and reworked early on (approx. 3.5 h) • No sanding required for the following reaction resin application • VOC-free, fulfils AgBB requirements • EMICODE-EC1-rating (“very low emission“) • Diverse applications = classic universal product
ASODUR-G1270
• For dense-pore primers on dry to lightly moist subsurfaces • Waterproofing for subsurface stabilisation • Production of epoxy resin screed and offset filling
Dry to lightly moist (max. 4 % CM humidity)
• Low-price universal primer for “normal” concrete subsurfaces • Stabilising effect • Mechanically resistant
Product ASODUR-SG2
ASODUR-G1270 Versatile epoxy resin
ASODUR-SG2 Special primer/oil and vapour barrier
Advantages • Penetrates deeply into the pores of the concrete subsurface • High SD value (230 m) • Suitable on oil-contaminated, cleaned concrete surfaces • Radon-proof tested
ASODUR-SG3 Moisture-blocking epoxy resin primer
ASODUR-SG3-superfast Fast primer, mortar, drainage, and casting resin
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Secure coating processes
The right application for the desired results Seamless floor layers are used around the world in commercial, industrial, public, and private projects and are becoming more and more popular thanks to properties like high chemical and mechanical resistance, optical design opportunities, electrical conductance, and consideration of hygienic standards.
Of course, the desired properties are only achieved if these coating systems are applied properly and carefully. Errors evaluating and preparing the subsurface and errors during the mixing process and during application are difficult to correct later on, if they can be corrected at all, which is why the instructions and specifications of the technical documentation must always be followed thoroughly.
With our ASODUR product line, we fulfil the respective specific requirements for industrial settings. Especially good chemical resistance and light traces of wear generally characterise our floor coatings. We also offer system solutions for additional requirements like slipping resistance, UV protection, freedom of emissions, and decorative design options.
Our systems are tested according to DIN EN 1504-2 and DIN EN 13813. The specified properties are tested and ensured by our own factory-internal production inspections and accredited testing institutes.
1. Clean priming, remove loose quartz sand
2. Pouring
3. Distribution with large-format rake
Coating correctly 4. Pricking
The tools, the process, the end result: Applicating ASODUR-B351 in the video:
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System coatings The application area, the type of coated components, weathering influences like temperature, UV exposure and moisture, and expected application of chemical substances or mechanical influences determine the type and the layout of the respective coating system. Besides these required characteristics, long life of the coating is always important, and an especially important point for us as well within the scope of our own quality standards.
Requirement High crack bridging
ASODUR-B351 o
ASODUR-EB/L ++
Abrasion and impact resistance
++
o
High slip resistance
Physiological harmlessness
+
Emission-free
UV resistance
Acid and lye resistance
Light-fast
Decorative appearance and diverse colours + o = suitable
+ = quite suitable
++ = very suitable
ASODUR-B351 Universal industrial and commercial floor coating
ASODUR-EB/L Light-fast, elastic polyurethane coating
Always repot During mixing in the original container, residual components of the resin components can adhere to the sides of the container, and this endangers secure mixture of the materials. Repotting ASODUR-B351 in the video:
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Secure sealing processes
Simple and secure protection of concrete surfaces Thin-layer surface protection systems, surface finishing for seamless floor coatings and aggregate bedding layers, are called sealing layers. Normally, these products can be applied in spreading, rolling, or spraying processes, and they offer secure protection against light to medium chemical and mechanical stresses on floor and wall surfaces.
One special property of sealing layers is the option of preparing highly resistance coatings to be particularly slip-resistant and still providing them with an aesthetically and optically impressive effect using coloured chips or a selection of a special pigment.
Transparent or colourful-pigment sealing coatings can be created with very little economic resources to produce impressive surfaces, which makes processing and later care extremely easy and able to be completed without high costs.
1. Prepared subsurface
2. Application of sealing
3. Final wearing surface
Application instructions • We recommend a suitable roller for application of sealing coatings: Nylon roller, 6 mm pile with textured polyamide cover. • Sealing coats are always applied crosswise using the roller process. • Before using the roller, remove loose fibre material from it with an adhesive strip. • The roller’s metal clip must be cleaned frequently during application work.
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System sealers Product
Problem/requirement
Processing
ASODUR-V2250
Transparent matte sealer
Crosswise rolling
ASODUR-V2250 ASODUR-V2257
Light-fast and UV-stable
ASODUR-V2250 ASODUR-V2257 ASODUR-V360W
Plasticiser-resistant (automobile tyres)
Slip-resistant sealing layer
Cross-wise rolling application ASO-Antislide integration
Emission-free sealing layer
Protection against bacterial and fungicidal effects
ASODUR-V360W
Sealing for magnesite and calcium-sulphate coating and cast asphalt
addition of 8–10 weight % ASO-Antislide to the mixed sealer
ASODUR-V360W Concrete sealing - aqueous
ASODUR-V2250 Silky matte, bacteria-resistant 2-K polyurethane acrylate sealer
ASODUR-V2257 TopCoat - pigmented
Tips and tricks for sealers • Coloured subsurface → transparent sealing • UV protection against yellowing → pigmented sealing • Contrast desired? → Mixing in coloured chips attractively enhances the appearance of the surface Sealer application ASODUR-V2250 in the video:
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Protective flooring and coating systems Long-life value with the right selection
Primers, coatings, sealers, and additive products alone offer numerous advantages, but enduring value for the user and for construction contractors in particular is only possible when they are planned and implemented within the correct application and requirement-oriented system structure. As in every system, the weakest link determines the performance limits of this kind of system, and for this reason, the selection and especially the quality of the individual products, also during system configuration, is especially important, and it has a special priority in our daily work in the laboratory, in application technology, and especially in reliable property development.
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Four systems for long-term and secure floor protection 1. Difficult subsurfaces Oil-contaminated concrete surfaces, expected negative water or vapour pressure are frequent application characteristics, especially in commercially utilised areas. With suitable cleaner and special primers, there’s nearly no subsurface that cannot be professionally prepared and produced.
2. Domestic and commercial auxiliary rooms, garages Breathable, colourfully pigmented, and transparent sealers can be created at little cost. Upon request, they provide protection against plasticiser absorption, UV stress, chemical effects, plus they can be slip-resistant and emission-free, as well as easy to clean.
3. Commercial floors in workshops and small industrial settings Coating systems are used everywhere, where higher requirements are necessary due to chemical and mechanical influences. Colours and decorative designs as well as slip-resistant properties are able to be implemented with coating systems. In long-term recreation rooms, emission-free coating systems are especially popular.
4. Sensitive interior areas, balconies, terraces, arcades Mainly weather-resistant and slip-preventing coating systems are used in this case. Colourful and decorative designs can be created as required.
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System 1
Difficult subsurfaces
Specific cleaning with our special cleaner ASO-R008 enables removal of stubborn fouling, e.g. oil. In order to prevent further oil fouling or rising humidity, the primer is applied with the highly water vapour-blocking priming coat ASODUR-SG2.
Product ASO-R008
Problem/requirement Oil contamination in subsurface
Processing Brushing
ASODUR-K900
Cracks in subsurface
Slicing in the lengthwise or crosswise direction, nailing, and casting
ASO-R008 ASODUR-SG2 Quartz sand spreading 0.5 – 1.0 mm
R ising moisture and oil contamination in subsurface Adhesive bond for subsequent coatings, scratch coats, smoothing
Brushing Brushing and rolling Spreading
ASODUR-G1270 ASODUR-EMB
Breakage, damaged areas, levelling
Pre-priming in the area of breakage, fresh levelling using the smoothing process
Scratch coat from mixture ASODUR-G1270 + quartz sand
Uneven, rough subsurface
Smoothing
ASODUR-SG2
R esidual moisture > 4 CM-%, negative hydraulic pressure, radon exposure Adhesive bond for subsequent coatings and scratch coats
Quartz sand spreading 0.5 – 1.0 mm
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System 2
Domestic and commercial auxiliary rooms, garages
In nearly every apartment building, in basements, in every garage, and in auxiliary buildings, there are concrete surfaces that are worn or damaged after years of use. The surface protection system based on the aqueous universal sealer ASODUR-V360W is perfect for this, which is a solvent-free material.
Product ASODUR-K900
Problem/requirement Cracks in subsurface
Processing Slicing in the lengthwise or crosswise direction, nailing, and casting
Wall-floor connection
Pre-priming in the area of fillet, fresh creation of the fillet using the smoothing process
ASODUR-V360W with 8–10 weight–% clean water
Apply primer
Crosswise rolling process
ASODUR-V360W and addition of 3 weight–% ASO-FF
Seal concaves projecting formations and pinholes
Smooth, polish after approx. 1–2 hours with sand paper (100 grain)
ASODUR-V360W and addition of 50 weight–% quartz sand 0.1–0.35 mm
Equalise unevenness up to max. 2 mm
ASODUR-V360W and addition of 10 weight–% ASO-Antislide
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System 3
Epoxy resin layers are successfully applied around the world for protecting finished concrete floors, including our ASODUR-B351, which has been tried and tested for years. With this mechanically and chemically robust coating, which is certified as food-safe, floor surfaces are able to be designed in a variety of ways.
Product
ASODUR-G1270 cover with quartz sand
Mechanical adhesive bond for subsequent coatings
Spreading
Wall-floor connection Breakage and damaged areas
Pre-priming in the area of fillet, fresh creation of the fillet or for levelling using the smoothing process
ASODUR-B351
Smooth thin levelling coat without QS filling up to approx. 1.5 mm
Smoothing process
ASODUR-B351 Quartz sand 0.1 - 0.6 mm
Smooth thick levelling coat with QS filling > 1.5 mm, cost savings, for increased mechanical stresses
Spiked ventilation roller
Air bubbles and uneven fresh levelling coat
ASODUR-B351 + DecorChips ASODUR-V2250 + ASO-Antislide
Decorative slip-resistant levelling coat
Cover fresh levelling coat with coloured chips, fill cover coating with glass beads and roll on
ASODUR-B351 Quartz sand
Slip-resistant top sealing coat
Roll on bedding layer and sand down, top sealing coat in rolling process
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System 4
Sensitive interior areas, balconies, terraces, arcades
The 2C-PU-coating ASODUR-EB/L is the first levelling coating developed purely for balcony, terrace, and arcade coating applications that is certified VOC-free and analogous to the AgBB formula, which makes it suitable for use in recreation rooms and other interior areas.
Chemical adhesive bond for subsequent coatings
ASODUR-SG3-superfast
Time-pressured work
ASODUR-SG3 or ASODUR-SG3-superfast ASODUR-EMB
ASODUR-EB/L + DecorChips ASODUR-V2250 + ASO-Antislide
Decorative, slip-resistant, light-fast, and UV-stable levelling coat
ASODUR-EB/L
Emission-free interior room coating, light-fast and elastic
Light-fast and UV-stable, elastic coating
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Additional products Product ASODUR-EMB 2C epoxy resin mortar, highly durable
Application areas/properties Used to repair cement-bonded surfaces in industrial construction, on concrete surfaces, on ramps, and to produce fillets, very high compressive and flexural strength, waterproof after 10 mm thickness
Description Layer thickness: ≥ 3 mm ≤ 50 mm, selectively up to 1 m² ≤ 100 mm Compressive strength: approx. 100 N/mm² Colour: grey Container: 8 kg, 20 kg Use: approx. 2.0 kg/m²/mm Fillet (radius 5 cm): approx. 1.8 kg/m
ASODUR-K4031 2C epoxy resin universal adhesive, stable
Use in the ASO-Tape system, as adhesive for concrete on concrete and for inserting reinforcing rods, as smoothing bulk and repair mortar, waterproof up to 5 bar after 10 mm thickness, resistant to diluted acids, lye, and water mixtures aggressive to concrete, non-shrinking, also adheres to moist subsurfaces without primer
Minimum adhering layer thickness: 2 mm Tested according to DIN EN 1504-4 Compressive strength: approx. 60 N/mm² Colour: grey Container: 6 kg (4 kg + 2 kg) Use: approx. 1.6 kg/m²/mm
ASODUR-K900 Casting and adhesive resin
For force-fitting casting in cracks and joints without a mixer, easy to use
Chemical, water, and frost-resistant, low-viscosity Colour: transparent yellowish Use: depending on application
ASODUR-R008 Oil, industrial floor cleaner and care product, aqueous, solvent-free
Used to clean severe, even oil-fouled surfaces consisting of concrete, stone, ceramic, screed, metal. System product bonded with ASODUR-SG2, removes rubber abrasions on coatings, suitable as maintenance cleaner for coatings
Concentrate, dilute with water Phosphate-free, environmentally friendly Colour: transparent Container: 1 l (6/box), 10 l Use: depending on application and fouling, see technical documentation
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Application areas/properties
Description
INDUFLEX-MS Elastic MS hybrid-polymer joint sealant
Use in JGS systems and outdoor containers with high organic acid content, stable against hydraulic pressure up to 1 bar, adheres well on concrete, steel, masonry, high UV resistance
Permitted deformation: 20 % Up to 40 mm joint width passable, up to 20 mm drivable Colour: black Container: 600 ml (15/box) Use: e.g. 20 x 17 mm seam = 1.75 m per 600 ml bag
INDUFLEX-PS 2C-polysulfide joint sealant, medium viscosity
Use inside and outside between passable and drivable components, e.g. parking decks, airports, industrial surfaces, path construction, road and rail construction, asphalt surfaces, suitable for angles up to 10%
Permitted deformation: 25 % Up to 65 mm joint width Colour: grey Container: 10 l (9.42 l + 0.58 l) Use: e.g. 10 x 8 mm seam = 80 ml per metre seam
INDUFLEX-PU Elastic 1C-PU joint sealant
Use in parking garages, concrete open areas, civic drainage systems, large-scale kitchens, high chemical and mechanical durability
Permitted deformation: 25 % Up to 40 mm joint width Colour: grey Container: 600 ml (6/box) Use: e.g. 10 x10 mm seam = 6 m per 600 ml bag
More additive products and system components are available on our website: schomburg.com
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Tools and protective equipment for processing reaction resins
Nitrile gloves Secure protection against skin contact
Breathing protection Filters inhaled air
Safety glasses Also for eyeglass wearers
Spiked shoes Protection against damage to fresh floor coatings, primer, and sealing coats and smoothing bulk
Trowel Standard tool for mixing, finishing, scraping, transferring material
Mixing bucket Available in different sizes and shapes, depending on the product
Smoothing trowel Suitable for applying and smoothing all materials, especially bulk capable of being smoothed
Toothed trowel For controlled application in specific layer thicknesses
Round trowel For producing fillets
Surface roller Enables speedy and consistent application of low-viscosity materials
Spiked roller For distributing and ventilating filler materials and coatings
Floor scraper Safely removes residue from excess sand and old materials
With friendly support from POLYPLAN® tools (www.polyplan.com).
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Standard colours ASODUR®-B351/ASODUR®-V360W
approx. RAL 1001 approx. RAL 1015 approx. RAL 3009 approx. RAL 5014 approx. RAL 6011 approx. RAL 7016 approx. RAL 7023 approx. RAL 7030 approx. RAL 7032 approx. RAL 7035 approx. RAL 7037 approx. RAL 7038 approx. RAL 7040 approx. RAL 7042 approx. RAL 9002
Note: Additional colours are available upon request. In this case, please contact our customer management service.
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based on relative humidity and temperature The dew point temperature is the temperature at which the air is saturated with water vapour. The lower the temperature, the less water vapour the air can absorb. If the temperature drops to the dew point temperature, for example on cooler wall surfaces, condensation of water vapour will result. When completing coating work, especially at high temperatures and/or high humidity, always observe the dew point temperature.
Air temperature (°C)
Dew point temperature in °C at a relative humidity of 1) 20 %
25 %
30 %
35 %
40 %
45 %
50 %
55 %
60 %
65 %
70 %
75 %
80 %
85 %
90 %
95 %
2
-18.6
-16.0
-13.8
-11.9
-10.2
-8.7
-7.3
-6.1
-4.9
-3.9
-2.9
-2.0
-1.1
-0.3
0.5
1.3
-16.9
-14.3
-12.0
-10.1
-8.4
-6.9
-5.5
-4.2
-3.1
-1.0
0.0
0.9
1.7
2.5
3.3
-15.3
-12.5
-10.3
-8.3
-6.6
-5.0
-3.6
-2.3
-1.2
-0.1
1.0
1.9
2.8
3.7
4.5
5.3
-13.6
-10.8
-8.5
-6.5
-4.8
-3.2
-1.8
-0.5
0.7
2.9
3.9
4.8
5.7
6.5
7.3
10
-9.1
-6.8
-4.7
-1.4
0.1
1.4
2.6
3.8
5.8
6.7
7.6
8.5
9.3
12
-7.4
-3.0
7.8
8.7
9.6
10.5
11.3
14
-8.6
-5.7
-3.3
2.3
5.2
6.4
9.7
10.7
11.6
12.4
13.3
15
-7.7
-2.4
1.6
3.2
4.7
6.1
7.4
12.6
13.4
14.3
16
-4.0
-1.5
0.6
4.1
5.6
7.0
8.3
9.5
10.6
13.5
14.4
15.3
17
-0.7
1.5
3.4
5.0
6.6
8.0
9.2
10.4
13.6
14.5
15.4
16.3
18
-5.3
0.2
2.4
4.3
5.9
7.5
8.9
10.2
11.4
12.5
14.6
15.5
16.4
17.3
19
-4.4
1.1
6.9
8.4
9.8
11.1
12.3
16.5
17.4
18.2
20
-0.6
2.0
10.8
12.1
17.5
18.4
19.2
21
-2.8
0.3
11.7
13.0
14.2
18.5
19.4
20.2
22
-1.9
11.2
13.9
15.2
20.4
21.2
23
4.6
6.8
14.9
16.1
21.3
22.2
24
5.4
7.7
15.8
17.1
18.3
21.4
22.3
23.2
6.3
16.8
18.0
20.3
22.4
23.3
24.2
26
7.2
9.4
13.2
14.8
17.7
19.0
23.4
24.3
25.2
28
3.0
6.2
15.0
16.7
19.6
20.9
22.1
25.3
26.3
27.2
30
7.9
12.9
20.0
21.5
22.8
24.0
26.2
27.3
28.3
29.2
32
14.7
18.7
21.9
24.7
25.9
27.1
28.2
30.2
31.2
34
14.0
18.6
20.5
23.8
26.6
27.8
29.0
30.1
32.2
33.2
36
25.6
28.5
29.7
30.9
32.1
34.2
35.1
38
19.9
24.1
25.8
27.5
28.9
30.3
31.6
32.9
34.0
36.1
37.1
40
12.8
21.7
23.9
27.7
29.3
30.8
33.5
34.8
36.0
38.1
39.1
The dew point table indicates at which surface temperatures condensate occurs, depending on the air temperature and the relative humidity. Example: At +22°C air temperature and 60% relative humidity, the dew point for an project temperature is +13.9°C. If the surface thermometer indicates a value below +16.9°C (+13.9°C + 3°C safety factor), no coating work is possible. 1)
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Glossary Abrasion resistance Abrasion resistance refers to the resistance of fixed surfaces to mechanical stress, especially abrasion. This is determined by the surface properties of the materials involved, but mainly the roughness and hardness. In practice, tyres and rollers consisting of different materials frequently feature coatings or seals, especially to transfer shearing and thrusting forces. Adhesive tensile strength The adhesive tensile strength acts as a guideline for adhesion of layers on surfaces, e.g. on concrete subsurfaces. It is determined using the adhesive pull test, which is completed with special adhesive pull devices and defined testing stamps. AgBB In order to provide the basis for a unified and reliable health evaluation of construction products in Germany, the German Committee for Health Evaluation of Construction products (AgBB) has created testing criteria and developed an evaluation scheme for VOC emissions of relevant interior space construction products on this basis. The evaluation scheme sets health-related quality benchmarks for the production of constructions products for interior spaces and is intended to support the development of especially low-emission products. Aqueous layer/sealing Materials with viscosity that was produced using water or that may be diluted with water for processing. Carbamate formation/ white discolouration In case of incorrect or unprofessional application of EP coating materials, a reaction with CO2 and water from the ambient air (dew point or rain) can lead to whitish discolouration on the material surfaces, which can lead to adhering problems in certain cases during the application of subsequent materials (e.g. on primers).
CE labelling Material designation as per EU law concerning defined products and product classes with regard to product safety. In this way, the respective manufacturer confirms that their product corresponds with the applicable EU directives. Products rated in this way must feature a CE label so that the manufacturer is able to distribute them, and so that they are able to be used or processed further properly. Chemical durability Chemical durability generally refers to the resistance of materials to the effects of chemicals (e.g. acids, lye, solvents, concentrated cleaners, etc.). CM moisture Residual moisture content of a building concrete, putty, screed, etc., determined according to the so-called CM measuring process according the calcium carbide method. Compressive strength Compressive strength refers to the ability of a material to resist the effects of compressive forces. The compressive strength is the quotient of the breaking load and the cross-section surface A of a test body. Crack bridging This defines the ability of a coating to bridge cracks present in the subsurface (dynamic or static). Curing During the reaction process, until the final stability is achieved. Curing agent A component that is mixed with the resin component to start the reaction process and start hardening of the material. In this case, the prescribed mixing ratio must essentially be observed and maintained to ensure the desired material properties.
Dew point temperature The dew point, also referred to as the dew point temperature, is the temperature of air with a certain humidity and constant pressure that must be exceeded for water vapour to precipitate as dew or mist. The more water vapour the air contains, the higher its dew point temperature will be. Epoxy resin (EP) Epoxy resins (EP resins) are plastic resins that carry epoxy groups. These are curing resins (reaction resins) that are able to be converted to duroplastic surfaces with a curing agent and additional materials as required. Epoxy resins are polyethers that normally contain two terminal epoxy groups. Filling material External or previously introduced additives for changing the processing consistency or system properties of a material, for example a coating (e.g. for use on inclines). Fire behaviour, fire inspection The fire behaviour of different materials is recorded and rated according to different classes, which results in suitability or limitations involving the application areas of building materials. Floor coating Functional or protective layer with the purpose of increasing the durability and life span of floor surfaces, while simultaneously taking aesthetic aspects into consideration. Humidity content The humidity content of construction materials like concrete, cement screed, etc. defines the weight percent component of water in the respective subsurface. For completion of subsequent material applications like epoxy resin coatings, there are threshold values related to the type of subsurface (4 weight-% for cement-bonded subsurfaces, 0.5-1.0 weight-% for anhydrous or calcium sulphate-bound subsurfaces).
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Glossary Hydraulic pressure In the physical sense, hydraulic pressure indicates the hydrostatic pressure within the water. As water depth increases, the surrounding pressure also increases, measured in bar. This is called the water column. Levelling See offsetting layer. Load classes Evaluation of the load grade that is capable of affecting the floor coating, e.g.: - low stress = only pedestrian traffic, max. wheelchairs, - medium stress = forklift traffic with max. 1to load, - high stress = lift truck or delivery truck traffic Mixing ratio The mixing ratio described in the documentation (technical data sheet, container label) indicates the ratio of quantities (in KG or litres) of the components that should be mixed in a defined way, e.g. resin and curing components.
Priming The priming coat (often called the primer) is used to protect a subsurface with an initial layer and simultaneously improve adhering properties for one or more layers that still need to be added, e.g. to produce an equally distributed suction characteristic. A primer can also be used to apply a subsequent coating securely on a normally unsuitable subsurface. Processing temperature The temperature range (normally the minimum and maximum temperature), which must be maintained while processing a material. The exact and specific information about this (air temperature, component temperature, material temperature) is provided in the respective technical data sheets. Processing time The period in which the material possesses a consistency that allows it to be processes, depending on the ambient temperature and applicable quantity.
Offsetting layer Intermediate layer to compensate unevenness on the subsurface (also called the adjusting surface), based on mineral or reaction resin.
Quartz sand Mineral additive featuring various grains to fill out and bed priming coats, coatings, and sealing. Together with reaction resins, only fire-cured quartz sand is used.
Polyurea (PUA) Polyurea materials are polymers that are produced by poly-addition of isocyanates and amines. The polymer possesses a structural element that is similar to that of urea. Structurally, they are included in the aminoplasts.
Reaction resin Fluid artificial resin that cures by chemical reaction.
Polyurethane (PU/PUR) Polyurethane (PU, DIN abbreviation: PUR) are plastics or artificial resins that result from the poly-addition reaction of diols and polyols with polyisocyanates. Depending on their production, polyurethanes can be hard and brittle or soft and elastic. Primer See priming.
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Repotting An important step during the mixing process of reaction resins containing 2 or more components. If the original container is used for mixing, unmixed material often remains adhered to container edges, which can cause heterogeneity and subsequent curing problems. In order to avoid this, reaction resins should be put into another mixing container after thorough mixing in the original container and then mixed further to ensure homogeneity.
Residual moisture Concrete components or other cement-bonded materials and wooden construction materials always contain a certain residual or offsetting moisture, depending on the age and environmental conditions. Normally, cement-bonded subsurfaces under coatings should not exceed a residual moisture content of 4%. Reverse (negative) moisture penetration Entry of moisture (with or without hydraulic pressure) from the reverse side of a subsurface, for example in case of a lack of, insufficient, or damaged seal from outside or due to a substructure that is still too fresh (excessive water in the concrete). In case these effects appear, a primer featuring a corresponding blocking effect or a coating material that is itself capable of diffusing water vapour must be applied prior to the addition of coatings. Sanding Bedding with quartz sand for primer coats, coatings, or seals to improve adherence of subsequent layers and to produce a slip-resistant surface. In this case, only fire-cured quartz sand featuring a specific grain is used. Scratch coat A thin layer of EP or PU reaction resin applied with the scraping process that is filled with mineral additives (e.g. quartz sand). This layer is used to create a surface and improved adhesion for subsequent layers. Sealing A thin protective layer, transparent or pigmented, which is used to protect the visual design of surfaces (e.g. concrete, EP coatings) and which is also used as a top sealing coat on bedded coatings. Shot peening (Blastrac peening) Shot peening or shot peen reinforcement is a special area of application involved in peening subsurfaces like concrete. The name shot peening refers to the use of shot-formed peening material. Shot peening is a surface treatment used mainly for horizontal surfaces.
Slip prevention Property of a surface that describes the resistance of a surface against sliding friction caused by people. This resistance is measured by a walking process on an inclined surface. Depending on the incline angle, the slip-preventing property of a coating system is classified in 5 rating groups (R9 to R13). Solvent-free A reaction resin product qualifies as solvent-free (without solvents) is the solvent component (e.g. from impurities) is less than 0.5%. Storage stability The best-before period, during which the material may be used without limitations, provided it has been stored according to the specifications in the technical documentation. Subsurface preparation After evaluation of the subsurface, subsurfaces like concrete or cement screed must be prepared comprehensively for subsequent coating work, e.g. to remove cement sludge, other loosely adhering layers, grease, oil, and other substrates from the subsurface or to prepare the concrete with open pores. Methods include shot peening, high-pressure water jets, grinding, and polishing. A primer is also used to prepare a subsurface.
Vapour diffusion Vapour diffusion refers to the transmission of humid air through a component, which is also able to produce a measurable pressure, e.g. visible in the form of bubble formation in layers. Viscosity Measure of the flow properties of a fluid. The lower the viscosity the runnier and therefore more flow-capable the material is, while the greater the viscosity the thicker and less flow-capable the material is. The measuring unit is mPas. Wear resistance Measurable resistance of a surface to mechanical stresses. Wear resistance information for reaction resin coatings are normally designated according to DIN EN 13813 with AR (Abrasion Resistance) and the so-called abrasion depth in micrometres according to table 5 of the standard.
Surface hardness The surface hardness is the mechanical resistance that a surface (e.g. an EP coating) offers to counteract the penetration of foreign objects, for example when measured with a steel ball. Depending on the effect, different hardness levels are indicated. Top sealing This term describes sealing (e.g. with a low-viscosity PU resin) on a surface that has been bedded with quartz sand or other slip-resistant materials. UV resistance The property of a surface like a coating or seal to resist damage from UV exposure, e.g. direct sunlight.
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SCHOMBURG is recognised for its development competency and is distinguished both nationally and internationally with over 80 years in the market. System based construction products from its own production plants are held it high esteem throughout the world. Industry professionals value the level of service provided by the SCHOMBURG Group, along with our large range of high quality products. In order to stay at the forefront of a continuously advancing market we are always investing in research and development of new and current products. This guarantees high quality products, which in turn leads to customer satisfaction.
SCHOMBURG GmbH & Co. KG Aquafinstrasse 2–8 D-32760 Detmold (Germany) phone + 49 - 52 31-953- 00 fax + 49 - 52 31- 953-108 email export@schomburg.de www.schomburg.com
03/18 HS/TAN/JD
• Waterproofing and Restoration • Tiles/Natural Stone/Screed installation • Protective Flooring/Coating Systems • Concrete Technology
Subject to change without prior notification. Users must always refer to the most recent issue of the local Product Data Sheet for the product concerned.
The SCHOMBURG group of companies develops, produces and distributes construction materials systems for the areas of: