What is gelcoat for fiberglass?

What is gelcoat for fiberglass?

Gelcoat is a liquid that hardens to form a thick, protective layer over a fiberglass surface. It's used to provide a quality finish over fiberglass. … You can apply gel coat with a brush if you are building a fiberglass project in a mold. First you would apply a release agent to the mold, then brush on the gel coat.

Can you fiberglass over gelcoat?

Its sanded and more gel coat is applied. Also when doing a repair or re-gel coating it's not real a chemical bond because the gel coat or glass/resin that your applying on is already cured, so it will be a mechanical bond(after you sand), but it will stick the same to gel coat or fiberglass/polyester resin …

What is gelcoat used for?

Gelcoat or 'Gel Coat' is a material used to provide a high-quality finish on the visible surface of a fibre-reinforced composite. The most common gelcoats are thermosetting polymers based on epoxy or unsaturated polyester resin chemistry. Gelcoats are modified resins which are applied to moulds in the liquid state.