Selleys Roof and Gutter Silicone is ideal for repairing leaks in most forms of roofing and guttering. It’s a neutral (non-acid) 100% silicone that offers superior adhesion and resistance to lifting, with a flexible seal. Guaranteed for 25 years against cracking, crumbling and peeling away, it can also be used on vents and downpipes, and for weatherproofing caravans and trucks. Also available in a range of Colorbond colours including Black, Classic Cream, Deep Ocean, Dune, Galvanised Grey, Grey, Ironstone, Manor Red, Monument, Paperbark, Surfmist, Cottage Green, Translucent, White and Woodland Grey. *Cured sealant at area to volume ratios up to 2500mm2/L | Selleys 300g Roof And Gutter Silicone Waterproof Sealant - Galvanised Grey