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<h1>datenblaetter-func-254090379-trans-en.pdf</h1> <p>SCHOMBURG GmbH & Co. KG <br />Aquafinstrasse 2–8 <br />D-32760 Detmold (Germany) <br />phone + 49-5231- 953-00 <br />fax <br />+ 49-5231- 953-108 <br />email export@schomburg.de <br />www.schomburg.com</p> <p>Technical Data Sheet</p> <p>MONOFLEX-XL</p> <p>ve</p> <p>ry</p> <p>io n</p> <p>Modern flexible adhesive with high yield</p> <p>l o w e m iss</p> <p>SCHOMBURG GmbH & Co. KG <br />Aquafinstraße 2 – 8 <br />D-32760 Detmold <br />11 <br />2 04302 <br />EN 12004 <br />MONOFLEX-XL <br />Cement-based adhesive with increased <br />performance for the installation of tiles <br />in interior and exterior areas <br />C2 <br />Reaction to fire: class E <br />Bond strenght, as <br />Tensile adhesion after dry ageing: </p> <p>≥ 1 N/mm²</p> <p>Durability, as <br />Tensile adhesion strength after water immersion: ≥ 1 N/mm²</p> <p>Tensile adhesion strength after heat ageing: ≥ 1 N/mm² <br />Tensile adhesion strength after freeze/ <br />thaw cycles: <br />≥ 1 N/mm²</p> <p>Properties: <br />• Tested in accordance with DIN EN 12004, C2 TE S1 <br />• Very high yield <br />• Deformable <br />• Long open time <br />• Easy to use <br />•H <br /> igh slump resistance yet the best application <br />properties <br />• For heated substrates <br />• For interior and exterior use <br />• F ulfills the required criteria for the information sheet <br />“Flexible adhesive” <br />Areas of application: <br />C2 TE S1 for the installation of large format fully vitrified <br />tiles, vitrified and earthenware tiles etc. MONOFLEXXL is used as a thin-bed adhesive for vitrified and <br />earthenware tiles, ceramic tiles with low water <br />absorption ≤ 0.5% (fully vitrified), clinker, mosaic and <br />natural stone materials not sensitive to discolouration <br />or those which are translucent. Due to its deformability <br />MONOFLEX-XL is suitable for fixing large format tiles. <br />MONOFLEX-XL is suited for the assured installation <br />on all substrates conforming to DIN 18157, part <br />1 e.g. concrete, aerated concrete, render/plaster, <br />cement-based and calcium sulphate based screeds/ <br />heated screeds, masonry work, moisture resistant</p> <p>Art.-No 2 04302</p> <p>plasterboard etc. as well as on old well bonded tiled <br />finishes. It is additionally suitable as a bonding material <br />for lightweight construction boards, e.g. extruded <br />polystyrene (tilebacker boards) and for tiling onto <br />mineral-based and dispersion-based SCHOMBURG <br />waterproof membranes e.g. in wet duty areas, <br />communal showers, swimming pool surrounds etc. <br />Technical Data: <br />Basis: <br />sand, cement, additives <br /> (polymer modified) <br />Colour: cement grey <br />Application temperature: +5° C to +25° C <br />Pot life *): <br />approx. 2 hrs <br />Open time *): <br />> 30 mins <br />Grout *): <br />in floor areas after <br /> approx. 24 hrs <br /> <br />in wall areas after <br /> approx. 12 hrs <br />Foot traffic *): <br />after approx. 24 hrs <br />Full service conditions *): after approx. 7 days <br />Cleaning: <br />clean with water immediately <br /> after use <br />Consumption: <br /> <br />approx. 1.6 kg/m2 with a <br /> <br />6 mm notched trowel <br /> approx. 2.1 kg/m2 with an <br /> <br />8 mm notched trowel <br /> approx. 2.6 kg/m2 with a <br /> <br />10 mm notched trowel <br />Packaging: <br />25 kg bag <br />Storage: <br />dry, 12 months in the original <br /> <br />unopened packaging. Use <br /> opened packaging promptly <br />*) These values relate to +20° C and 65% relative humidity.</p> <p>Substrate preparation: <br />The substrate must be dry, load-bearing, adequately flat, <br />free from penetrating cracks and free from separating <br />substances such as oil, paint, laitance and loose parts. <br />They must have a largely closed surface with a surface <br />strength and condition commensurate with their type. <br />When installing tiles, the substrate, substrate preparation <br />and product application must conform to DIN 18157, <br />part 1. Prime porous substrates with ASO-Unigrund.</p> <p>1/3</p> <p>20/14</p> <p>Calcium sulphate screeds must be abraded, vacuumed <br />and as with all calcium sulphate based substrates <br />primed with ASO-Unigrund. If large format tiles are <br />to be installed on calcium sulphate based screeds, <br />we recommend priming with ASODUR-V360W due <br />to its greater barrier effect. Heated screeds must be <br />commissioned prior to the installation of tiled flooring <br />in accordance with recognized technical regulations. <br />The readiness of a substrate to receive tiled finishes is <br />to be determined through moisture measurements with <br />a carbide hygrometer (CM device). The CM moisture <br />content may not exceed: <br />•C <br /> ement-based screeds (CT) 2.0 CM% for unbonded <br />or floating screeds <br />•C <br /> alcium sulphate based screeds (CA) without <br />underfloor heating 0.5 CM% <br />•C <br /> alcium sulphate based screeds (CA) with underfloor <br />heating 0.3 CM% <br />The CM measurements are to be carried out to the <br />current FBH-AD work instructions from the technical <br />information “Coordination of cut out points with heated <br />floor constructions.” <br />Product preparation and application: <br />Mix MONOFLEX-XL with clean water in a clean mixing <br />bucket until homogenous. <br />Mix ratio: <br />9.25–11.00 litres water : 25 kg MONOFLEX-XL. <br />Allow to stand for approx. 3 minutes then remix. Do <br />not prepare more adhesive than can be used within the <br />pot life. Spread the mixed adhesive over the substrate <br />surface and comb through with a notched trowel <br />suitable for the tile format. Install tiles within the <br />adhesive open time. <br />When installing large format tiles greater than <br />60 x 60 cm, we recommend that MONOFLEX-XL is <br />modified with UNIFLEX-B. Modifying with UNIFLEX-B <br />elastifier increases the deformability and adhesion <br />strength of MONOFLEX-XL. Dependent on the <br />modification, deformability class S2 can be achieved,</p> <p>which is particularly recommended for tiles larger <br />than 60 x 60 cm. This considerably compensates <br />for shear stresses, which can lead to delamination in <br />unfavourable exterior conditions. <br />UNIFLEX-B is mixed with water for improved application <br />and then mixed with MONOFLEX-XL until homogenous. <br />Mixing ratio: highly deformable (relates to class C2 S2, <br />deformation > 5 mm): <br />4.17 kg UNIFLEX-B : approx. 5.0 litres water : 25 kg <br />MONOFLEX-XL <br />Important advice: <br />• When installing tiles in heavy duty areas in exterior <br />locations (balconies and terraces) the highly elastic <br />bonded waterproof membrane system AQUAFIN2K/M and UNIFIX-S3 or UNIFIX-2K should be used. <br />• When installing natural and synthetic stone tiles pay <br />particular attention to the specific product properties <br />of the material to be fixed (tendency to discolour, <br />risk of curling etc) and follow the manufacturer’s <br />installation recommendations. We recommend that <br />a trial area is carried out. <br />• To avoid curling effects due to water absorption <br />when installing agglomerate/synthetic stone tiles <br />we recommend the use of ASODUR-EK98 or <br />ASODUR-Design. <br />• When installing large format tiles greater than 50 x <br />50 cm, in order to improve the adhesion, a scratch <br />coat should be applied to the rear of the tile or they <br />should be fixed in the buttering-floating method. <br />• Prime calcium sulphate based substrates with <br />ASO-Unigrund-S (mix ratio 1:1 with water). <br />• To avoid the formation of ettringite with calcium <br />sulphate based substrates, UNIFIX-AEK is a suitable <br />adhesive for installing tiles to these substrates up <br />to residual moisture levels of 1.0% for heated and <br />1.5% for unheated constructions (CM% - carbide <br />hygrometer). <br />• Do not attempt to re-life thin-bed adhesive that has <br />already stiffened by adding water or fresh mortar, <br />there is a risk of inadequate strength development.</p> <p>2/3</p> <p>20/14</p> <p>• In continuously immersed areas (swimming pools, <br />containers etc.) we recommend the use of the system <br />based thin bed adhesive UNIFIX-2K/6 onto the <br />SCHOMBURG waterproof membrane appropriate for <br />the particular application. <br />•D <br /> irect contact between cement-based tile mortars <br />and magnesite screeds leads to the destruction of <br />the magnesite screed through a chemical reaction. <br />Moisture penetration from the rear must be eliminated <br />with appropriate measures. Mechanically roughen <br />the magnesite screed and prime with the epoxy <br />resin ASODUR-V360W (approx. 250 g/m2) with a <br />maximum of 5% water as necessary. After waiting <br />from 12 to 24 hours at +20° C, apply a second coat <br />of ASODUR-V360W (approx. 300 – 350 g/m2). <br />Blind the fresh second coat with 0.5-1.0 mm quartz <br />sand. After waiting for a further 12-16 hours continue <br />with the tile installation. <br />•M <br /> ONOFLEX-XL is a hydraulic hardening mortar <br />that needs to be protected against water and frost <br />penetration until fully cured, which may take a few <br />days in bad weather conditions. <br />• Protect areas not be treated with MONOFLEX-XL. <br />•H <br /> eed the relevant current regulations. E.g. <br />DIN 18157, DIN 18352, DIN 18560, <br />DIN 18202, EN 13813, DIN 1055 <br />The BEB information sheets, distributed by the <br />Bundesverband Estrich und Belag e.V. <br />The technical information “coordination of cut out <br />points in heated floor constructions”. <br />The ZDB information sheets, distributed by the <br />professional association of the German tile industry: <br />[*1] “Bonded waterproof membranes” <br />[*2] “Finishes on calcium sulphate screeds” <br />[*3] “Movement joints in wall and floor tile finishes” <br />[*4] “Large format tiles” <br />[*5] “Ceramic tiles, natural stone and cement-bound <br />composite slabs on cement-based floor constructions <br />with insulation” <br />[*6] “Ceramic tiles, natural stone and cement-bound <br />composite slabs on heated cement-based floor <br />constructions” <br />[*7] “Finishes in exterior areas” <br />[*8] “Finishes on poured asphalt”</p> <p>[*9] “Tolerances in level” <br />[*10] “Tolerances” <br />[*11] “Cleaning, protecting, maintenance” <br />[*12] “Swimming pool construction” <br />Please use a current valid EU Health & Safety data <br />sheet. Low chromate. <br />GISCODE: ZP1</p> <p>Information about the emission level of volatile compounds in indoor <br />air, which pose a health risk by inhalation, on a scale from class A+ <br />(very low emissions) to C (high emissions).</p> <p>This technical data sheet does not consider local building codes or legal requirements. It shall be used as general reference for the product, based on our current knowledge <br />and experience. Legally binding is only the latest Data Sheet from one of our foreign subsidaries inside their sales territory. In any case of uncertainty please consult our <br />technical department for further information. <br />3/3</p> <p>20/14 WKD/CoS/JD</p>
