Damp, cold conditions will therefore delay drying. The product sets by evaporation of water. Dry, warm conditions will accelerate drying. Once the mortar is dry, dust with very fine sand or cement to remove any residual tack.ĭrying times vary widely depending upon weather conditions and size of crack. Mix Watco Asphalt Crack Filler with damp sand to produce a slightly stiff mortar. Once the Watco Asphalt Crack Filler has dried, dust with very fine sand or cement to remove any residual tack.Ĭracks 3mm - 25mm wide: Prime the sides of the crack with a brush coat of Watco Asphalt Crack Filler. Brush out to a thin film any surplus liquid which overflows the edges of the crack. Alternatively a watering can may be used. The crack should be reasonably dry, although a little dampness may be tolerated.Ĭracks up to 3mm wide: Pour the Watco Asphalt Crack Filler into the cracks using a spouted jug. Damp or cold weather will delay the drying time. Do not use in wet or cold (below 5☌) conditions. ![]() ![]() Sweep or scrape out loose debris from the crack.
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