Applying gelcoat.

How to mix and apply gelcoat over a small are. Step 1. Prepare the area. Aim for a smooth flat surface with no loose material. Abrade with p120 or coarser sandpaper. Clean thoroughly. Step 2. Apply a thin layer of gelcoat, allow to cure slightly. Apply a further layer or two. Step 3. Exclude air from the surface of the gelcoat. This can be done by adding wax in styrene to the last layer of gelcoat or waiting until the gelcoat has mostly cured then cover with glue; tape; clingfilm. https://www.ecfibreglasssupplies.co.uk/