• To get the best results make sure surfaces are clean, dry and free from any loose material. For very porous substrates moisten the entire area prior to application of filler. • Sets in about 1 hour depending on surface, temperature, relative humidity and depth of area filled. • Mix approx. 2.5 volume of powder with 1 volume of water to give the desired consistency. Always add the powder to the water. For very porous surfaces use slightly more water. Fill repair slightly proud. Level to the surrounding area by either smoothing or by scraping when the filler is firm but before it sets. • After use, clean tools with warm water immediately after use. • Excess product can be left to fully cure and disposed of in a bin. Polycell Polyfilla Exterior Filler is a powder filler which is based on high strength cement and special resins to promote powerful adhesion, toughness and impact resistance for exterior repairs.
