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The SW890 adhesive is an Elastic adhesive with a movement accommodation factor (MAF) of approximately 300% of the adhesive bed thickness. As such it distributes and lowers all shear stresses caused by expansion and contraction across the entire surface area of the adhesive, thus avoiding high stress peaks which normally form at the edges of boards with rigid adhesives causing premature failure. In this way the Elastic SW890 will withstand excessive movement and stress caused by changing climatic conditions throughout the seasons.
SW 890 is a high quality wood floor adhesive for bonding timber floors to all common substrates. This adhesive maintains an elastic hold to accommodate the differential movement associated with changing climatic conditions.
SW 890's formulation is completely water & solvent free, this eliminates the possibility of timber planks warping or cupping due to VOC's. With an open time of approximately 60 minutes this product is also ideal for use in large areas.
Coverage approx - 12-15m2 Weight - 14-15kgs
Always check with the flooring manufacturer re: any specific instructions/requirements specifically relating to their flooring before fitting floors.
Always carry out installations and sub-floor preparation in line with relevant British or International standards.
Spread the adhesive uniformly on the sub-floor with a suitable notched trowel at no less than 0.6kg/m2.
Do not spread more adhesive than can be covered within 20 mins.
Place wood in position whilst adhesive is still wet. Press firmly and evenly across the wood surface to ensure complete contact with the adhesive.
Ensure you leave a 12-15mm expansion gap along the walls and around protrusions to allow the natural expansion of the wood.
Floor can be trafficked or sanded/coated after 24 hours (24°C / 50% r. h.) depending on site conditions (longer at lower temperatures). Non-absorbent surfaces will take longer to cure.
Use any opened material within 2 weeks.
If a small skin is present under plastic disc of opened bucket, please discard and trowel remaining product as detailed. This will not affect the quality of the product.