Polyfilla Professional Large Crack Filler is a water-resistant, fibre-reinforced polymer with excellent adhesion that has been designed for filling deep and wide cracks and holes on all surfaces inside and outside the home.Easy to sand, sets to a super hard finish and is highly crack resistant, with a fill depth up to 10mm. Features Can be sanded or planed Super hard finish Highly crack resistant Paintable Suitable for timber, concrete, mortar, plaster and primed metal. Applications Interior use Exterior use Application Tips Surface to be filled should be clean and dry with no loose or powdery material. Exterior surfaces and metals (eg. nail heads) should be primed before application. Press filler firmly into cracks and holes and remove excess. Allow to dry (2-3 hours in thin 2-3mm applications depending on humidity). Allow longer drying times if painting with oil based paints (24 hours minimum) or for deeper applications. For deeper jobs apply in 10mm layers, allowing each layer to set before applying the next layer. Protect from rain until painted over. For best results, apply paint undercoat before applying water or oil based paint top coat. Use Poly Gap filler or silicone sealant where joint movement occurs. Clean up with water before filler dries. Cure product before disposal.
