Dowsil 791 External Weatherproofing Silicone Sealant 600ml - Black · Kills old rust and

· Kills old rust and prevents new rust

Ideal for preparing mould prone areas before painting to give a better paint finish

Finishing coat: Smooth planed hardwood and softwood such as trim

The Contractor Brush series has been specially handcrafted to deliver the kind of results true artists admire

Dowsil 791 External Weatherproofing Silicone Sealant 600ml - Black · Kills old rust andDOWSIL 791 Weatherproofing Sealant WEATHERSEALING & GLAZING SILICONE DOWSIL 791 Weatherproofing Silicone Sealant is a one part, low modulus, neutral curing weatherproofing silicone sealant designed for both commercial and domestic applications. It provides excellent unprimed adhesion to most porous and non porous surfaces. Product info Benefits Excellent weathering characteristics, including resistance to ozone, UV radiation and temperature extremes