LeakBarrier EasyTorch APP Granular is a premium, slate flake surfaced, APP modified, polyester reinforced, modified bituminous roofing membrane designed for installation by heat welding. EasyTorch APP Granular is specially formulated using select asphalt & Atactic polypropylene modifiers and is reinforced with a tough, non-woven polyester mat that provides exceptional strength and durability. The exposed side is surfaced with slate flakes and the backside is protected with polyolefinic film to facilitate ease of application via torching.