There are various techniques for gelcoat repair,depending on the severity of the damage. If your gelcoat has oxidized,giving it a dull,chalky appearance,you can simply use agelcoat oxidation removerto sand and polish the surface to a low sheen without the need for full repairs.
People also ask
How do you repair gelcoat?
Wax gelcoat is the best option to repair gelcoat because it will cure in the air without any additional components needed. 2 Mix the new gelcoat according to the manufacturer鈥檚 instructions. Pour the amounts of each part recommended by the manufacturer into a plastic or paper disposable cup.
Why won鈥檛 my gelcoat cure?
If the measurement is off even slightly, the gelcoat could start to harden but not cure completely, leaving a tacky, non-sandable surface. Too much catalyst 鈥?It is also possible to add too much catalyst (over catalyzing) to the mixture. This will cause the gelcoat to start curing in the can or while you are applying the gelcoat.
How can I prevent gel coat from sticking to the surface?
To prevent this, make sure to set proper pressure, based on the thickness of the gel coat and the viscosity (typically, 40 to 80 psi.) Also make sure to limit the spray thickness per pass to around .005 inches, and avoid overlapping areas while spraying.
How do you match gelcoat to resin?
There are kits from companies such as Evercoat with pigments to add to the resin for a match. If you have a sample, you can match a gallon of gelcoat from Rayplex Composites (fibreglass.com). Clean up the edges where the gelcoat was damaged.