Multi-surface waterproof roof resin A rapid curing high performance sealer resin uniquely formulated to harden when exposed to both natural and synthetic UV light and to withstand the harshest of weather conditions once fully cured. It can be used to overlay existing GRP roofs to repair sections or be applied as a general-purpose sealer resin to both lay new flat roof surfaces and as a repair system to prevent leaks. Ultra V1 is also the ideal product for gutter leaks and maintenance. Seals for up to 25 years DIY-friendly, trade quality Ready to use single pack formulation, no need for separate catalyst No primer needed Peroxide free and low styrene emission Quick drying - can cure under 20mm of clean water Excellent adhesion to various surfaces such as timber, masonry, metal