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<h1>datenblaetter-func-396046089-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-FB</p> <p>Art.-No. 2 04306</p> <p>Flow-bed adhesive</p> <p>SCHOMBURG GmbH & Co. KG <br />Aquafinstrasse 2 – 8 <br />D-32760 Detmold <br />14 <br />2 04306 <br />EN 12004 <br />MONOFLEX-FB <br />Normal setting, cement-based adhesive with <br />increased performance for the installation of tiles <br />in interior and exterior areas <br />C2 <br />Reaction to Fire: <br />Bond strenght, as <br />Tensile adhesion after dry ageing: <br />Durability, as <br />Tensile adhesion strength after <br />water immersion: <br />Tensile adhesion strength after <br />heat ageing: <br />Tensile adhesion strength after freeze/ <br />thaw cycles: </p> <p>Class E <br />≥ 1 N/mm²</p> <p>≥ 1 N/mm² <br />≥ 1 N/mm² <br />≥ 1 N/mm²</p> <p>Properties: <br />•E <br /> conomic and smooth application <br />• Rapid setting <br />• T hixotropic, no sagging with large, heavy tiles <br />• Conforms DIN EN 12004, C2 E <br />•S <br /> 1 deformable adhesive to DIN EN 12002 <br />• For interior and exterior use <br />• Fulfils</p> <p>the criteria required for the guideline <br />“flexible adhesive” <br />Areas of application: <br />MONOFLEX-FB is used as an adhesive up to 10 mm for <br />the void free installation of tiles, as far as possible, also <br />when under time pressures and especially with profiled <br />and large format tiles in heavy duty areas. Combing <br />adhesive on the backs of tiles can be omitted, when <br />using a suitable installation technique and with tiles up <br />to 40 x 40 cm. <br />MONOFLEX-FB is used as a thin-bed adhesive for vitrified <br />and 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.</p> <p>MONOFLEX-FB is suitable for secure fixing on horizontal <br />substrates, or those with a slight fall, in accordance with <br />DIN 18157 part 1 e.g. concrete, aerated concrete, <br />cement and calcium sulphate based screeds/heated <br />screeds etc. It is additionally suitable as a bedding <br />mortar for lightweight building panels e.g. in extruded <br />polystyrene and for bonding tiles to SCHOMBURG <br />mineral-based or dispersion-based waterproof coatings. <br />MONOFLEX-FB can be used to install tiles to difficult <br />substrates (e.g. balconies and terraces) with the addition <br />of the highly flexible UNIFLEX-B. <br />Technical Data: <br />Basis: aggregates, cement, high qualitive <br />additives <br />Colour: <br />cement grey <br />Filler configuration: fine sand <br />Bulk density: <br />1.25 kg/dm³ <br />Application <br />temperature:: <br />+5 °C to +25 °C <br />Pot life*): <br />45 to 50 mins. <br />Open time*): <br />approx. 30 mins. <br />Foot traffic after*): approx. 4 hrs <br />Grout after*): <br />approx. 6 hrs <br />Full loading/ <br />service*): after approx. 5 days (depending on <br />tile format) <br />Cleaning: <br />clean with water immediately <br /> <br />after use <br />Testing: <br />conforms to DIN EN 12004 <br /> <br />and 12002 <br />Consumption: <br />approx. 3.4 kg/m with an 8 mm <br /> <br />notched trowel <br /> <br />approx. 4.2 kg/m with a 10 mm <br /> <br />notched trowel <br />Packaging: <br />25 kg plastic bag <br />Storage: <br />dry, 6 months in the original <br /> <br />unopened packaging. Use <br /> <br />opened packaging promptly <br />2</p> <p>2</p> <p>*) T hese values are valid at + 20 °C and 65% relative humidity. <br />Higher temperatures shorten, lower temperatures lengthen the declared <br />times.</p> <p>1/3</p> <p>14/14</p> <p>Substrate preparation: <br />MONOFLEX-FB is suitable for a secure bond to <br />all floor substrates e.g. concrete, cement-based and <br />calcium sulphate based screeds / heated screeds. The <br />substrate must have a virtually closed surface and a <br />surface condition and strength appropriate for its <br />type. The substrate must be dry, clean, load bearing, <br />and be free from separating substances and penetrating <br />cracks. Remove coatings, paint, oil, laitance and loose <br />parts. Abrade smooth concrete surfaces and prime <br />porous substrates with ASO-Unigrund before tiling. <br />Anhydrite screeds must be mechanically abraded, <br />vacuumed and as with all calcium sulphate bound <br />substrates thoroughly primed with ASO-Unigrund. With <br />tile formats, which have edges longer than 60 x 60 cm, <br />we recommend treating moisture sensitive substrates, such <br />as e.g. calcium sulphate screeds, with a reaction resin <br />primer. <br />When installing tiles, the substrate, substrate preparation <br />and product application must conform to DIN 18157, <br />part 1. <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 />• CT ≤ 2.0 CM% for screeds on insulation or <br />separating layers <br />• CA without underfloor heating ≤ 0.5 CM% <br />• CA with underfloor 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: <br />Mix MONOFLEX-FB with clean water in a clean mixing <br />bucket until homogenous. <br />Mixing ratio: <br />6 to 6.4 litres water : 25 kg MONOFLEX-FB <br />On external horizontal surfaces e.g. balconies and <br />terraces MONOFLEX-FB can be modified with</p> <p>UNIFLEX-B. For improved workability with <br />MONOFLEX-FB and UNIFLEX-B add water after <br />mixing the two materials. <br />Mixing ratio: <br />8.33 kg UNIFLEX-B : 25 kg MONOFLEX-FB : <br />2.5 litres water. <br />The addition of UNIFLEX-B lengthens the adhesive open <br />time and pot life somewhat. The deformability to <br />DIN EN 12002 is considerably increased. <br />After allowing to stand for 3 minutes, remix the adhesive. <br />Do not prepare more adhesive than can be used within <br />the pot life. <br />Spread the MONOFLEX-FB on to the substrate and <br />comb through with a suitable notched trowel dependent <br />on tile format – special trowels have been proven (e.g. <br />HFV notches, flowline). Lay finishing materials within the <br />adhesive open time (finger test approx. 30 minutes). <br />Always clean the mixing bucket as setting <br />MONOFLEX-FB acts as an accelerator. Do not mix <br />with other cement-based adhesives. <br />Important advice: <br />• When installing large format tiles in heavy duty areas <br />we recommend that they are vibrated e.g. with a <br />vibration device. Due to its thixotropic properties <br />the MONOFLEX-FB is encouraged to flow through <br />vibration. Voids in the adhesive bed are closed. <br />• To assist in the best possible void free bedding of tiles <br />we recommend that the adhesive bed is combed in <br />one direction so that the air under the tiles can escape <br />via the vent spaces (free space between the ribs). <br />• When installing suitable natural stone observe the <br />specific properties of the material (tendency to <br />discolour, risk of curling etc.) and the installation <br />recommendations of the stone/tile producer. In cases <br />of doubt carry out a trial area. <br />• Perimeter, bay and movement joints are to be reflected <br />through and sealed with a suitable material e.g. <br />edging strip RD-SK50. <br />• To avoid curling effects due to water absorption <br />we recommend the use of ASODUR-EK98 with</p> <p>2/3</p> <p>14/14</p> <p>agglomerate/synthetic stone. <br />• Please</p> <p>heed the current ZDB information sheets <br />distributed by the German tile association, especially <br />when fixing to calcium sulphate based substrates and <br />heated constructions. <br />• Prime calcium sulphate based substrates with <br />ASO-Unigrund-GE or ASO-Unigrund-K (mixing ratio 1:3 <br />with water). In order to avoid the formation of ettringite <br />with calcium sulphate based substrates UNIFIX-AEK is <br />suited for the installation onto these substrates up to <br />residual moisture contents of 1.0% on heated screeds <br />or 1.5% with unheated constructions, measured with a <br />carbide hygrometer. <br />• Do not add more water or fresh mortar to a thin bed <br />adhesive that has started to set in order to re-life it. <br />There is a risk of inadequate strength development. <br />• Direct 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 from <br />12 to 24 hours at +20° C, apply a second coat of <br />ASODUR-V360W (approx. 300 – 350 g/m2). Blind <br />the fresh second coat with 0.5-1.0 mm quartz sand. <br />After waiting for a further 12-16 hours continue with <br />the tile installation. <br />• For <br /> waterproofing external surfaces (balconies <br />and terraces) use the elastic waterproofing systems <br />AQUAFIN-2K, AQUAFIN-2K/M or AQUAFIN-RS300. <br />•M <br /> ONOFLEX-FB is a hydraulically setting adhesive <br />and until fully cured, which may take a few days in <br />unfavourable conditions, protect against water and <br />frost. <br />• P rotect areas not be treated with MONOFLEX-FB. <br />• Heed</p> <p>the relevant current regulations. E.g. <br />DIN 18157, DIN 18352, DIN 18560, <br />DIN 18202, EN 13813, DIN 1055</p> <p> 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] „Ceramic floor finishes in heavy duty areas“ <br /> [*5] „Ceramic tiles and slabs, natural and concrete <br />stone/slabs on cement-based floor constructions <br />with insulation“ <br /> [*6] „Exterior locations“ <br /> [*7] „Swimming pool construction“ <br />Please observe a valid EU safety data sheet. <br />GISCODE: ZP1</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>14/14 TS/CoS/JD</p>
