Insta-Glass Fiberglass is used to repair your Flat, High Gloss and Flex Roof fiberglass. Works on small rips or scratches that need to be repaired. It is easily applied and cures quickly when exposed to sunlight. Perfect to repair imperfections on your Motorhome or RV like the Fleetwood, Winnebago, Forest River, Thor, Skyline, Monaco etc. Comes in convenient 8oz Bottles.