High elasticity water stop is a brushable sealing compound re inforced with fibres and can be used in any weather now you can use water stop to repair leaks as soon as they appear in any weather from 10c to 30c even leaks of up to 10 mm width can be repaired e lasticity of up to 1300 water stop immediately provides a water proof surface and can be walked on after a drying out period it can be applied to roofing felt bitumen asphalt shingles hard pvc polyester zinc