A tough multi-purpose filler suitable for all exterior masonry repairs. Ready-mixed for effortless exterior repairs, this Polyfilla is perfect for all your outdoor projects. Applied directly from the tube, it sets to a durable, grey, weatherproof finish in just 60 minutes. Suitable for fixing screws and bolts, this exterior filler won't shrink or crack. Keep out of reach of children. Always read the instructions before use. A convenient, ready mixed exterior Polyfilla suitable for all exterior filling jobs. Applied straight from the tube, it sets in 60 minutes to a grey weatherproof finish that will accept bolts and screws and will not shrink or crack. Keep out of reach of children. Always read instructions.