Cromar Cold Gritting Adhesive is a solvent based, bituminous adhesive for bonding chippings to roofs with up to a 10° slope. It is designed to bond a wide variety of aggregates to both felt and mastic asphalt roof surfaces. Surfaces must first be wiped clean and dry. The adhesive should be applied with a brush, squeegee or mop. This should be done in convenient areas of up to 20m² at a time. Immediately following this the washed aggregate can be applied onto the surface. This should cover the adhesive until it is no longer visible. After a 72 hour period it should have one brush over any excess chippings. Leaving when dry, a solar reflective, weatherproof and damage resistant surface. Chippings compatible with this adhesive include: limestone, granite, white calcined spar, flint, gravel and slate mineral chippings.
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