Do You Have To Use Fiberglass Mat Over Cured Epoxy

It does get put into suspension and is sealed in the cured epoxy this undissolved binder causes the wet out mat to remain a bit stiff compared to wet out with a styrene based resin.

Do you have to use fiberglass mat over cured epoxy. Slowly drag the squeegee over the fiberglass fabric at a low almost flat. Use a plastic spreader to squeegee away excess epoxy before the first batch begins to gel. Reinforcements include fiberglass cloth fiberglass mat carbon fiber and aramid. Allow to cure after first layer.

After adding the first layer of resin glass mat and resin roll over the surface with a dowel rod to remove air bubbles. In many cases such as in boat repairs you require extra strength and support. You also get the fiberglass cloth which is a lot stronger and heavier than the fiberglass mat. The most popular resins are polyester vinyl ester and epoxy.

Apply a layer of resin s l o w l y. The fiberglass strand in mat wets out with epoxy but the binder holding things together does not dissolve. For best results allow the first layer of resin and mat to cure for 2 to 4 hours before adding the next layer. You ll notice it s about the consistency of pancake syrup.

Avoid churning air into the resin. If you have to cut a pleat or notch in the fiberglass cloth to lay it flat on a compound curve or corner make the cut with a pair of sharp scissors and overlap the edges for now. You can purchase the fiberglass mat according to weight depending on what you need it for. Resin holds the reinforcement together and helps it conform to the wanted shape.

Stir this mixture thoroughly and slowly. In many cases you can use both types of fiberglass for best results. If you are using epoxy then you are looking at a half and half or possibly two 2 parts resin to one 1 part catalyst.