Highly polymer modiﬁed cementitious white adhesive.
A highly polymer modified cement-based powder adhesive. The high polymer level of the adhesive means that it only needs to be mixed with water to achieve the flexibility, water resistance and increased strength usually only obtained by the addition of separate polymer admixtures.
Features and benefits:
M40/10 Natural stone covering to
M40/110 Tiling to
M40/115 Natural stone covering to
M40/120 Mosaic to
Cementitious adhesive with Rock-Tite™ polymeric binders.
To BS EN 12004, class C2T.
At 20°C:16 to 24 hours.
Walls: approximately 3kg/m², floors: approximately 4kg/m².
Thickness (bed depth)
2–6 mm, 12 mm in small areas.
All surfaces should be dry, clean and strong enough to support the tiles to be fixed. Tiling substrates should be true and flat to permit fixing without visible lipping of tile edges. On floors, any gaps exceeding 3mm under a 2 metre straight edge should be corrected a suitable Norcros Levelling Compound. This will be particularly appropriate where larger tiles or those with rectified edges are being installed. Porous or dusty surfaces must be sealed using Norcros
Prime Bond diluted 1:4 with water.
Using a suitably notched trowel spread the adhesive onto the fixing
surface to form parallel ribs into which the tiles should be applied with a firm twisting action. Spread only enough material that remains workable and as such fully wets out on the tile backing. Solid-bed void-free fixing will be necessary on floors and in wet areas. Tiles with deeply keyed back profiles may need to be back buttered. The adhesive is designed for thin bed fixing up to 6mm although in isolated areas it can be bedded out up to 12mm in thickness. Tiles may be grouted as soon as the adhesive bed is set. Do not use below 5°C.
In wet areas or those of intermittent wetting such as shower areas, moisture sensitive backgrounds such as plaster should be waterproofed using Norcros Wet Seal Tanking Membrane.
Concrete/ cement: sand screed, cement: sand render, anhydrite & hemihydrite (gypsum) screeds, heated floors (dense construction), thermoplastic floor tile/ vinyl sheet, asphalt (internal only), gypsum plasterboard, gypsum plaster, glazed surfaces, plywood overlay onto existing timber floors.
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