How long between layers of fiberglass

Log in. Search Everywhere Threads This forum This thread. Search titles only. Search Advanced search…. Everywhere Threads This forum This thread. Search Advanced…. What's new New posts New media New media comments Latest activity. Search forums. Members Registered members Classifieds Member Feedback. How many layers of fiberglass in a day? Thread starter trabadoor22 Start date Aug 8, JavaScript is disabled.

For a better experience, please enable JavaScript in your browser before proceeding. Jun 8, 63 0 Macedon, NY. I'm getting ready to do some fiberglass and I'm wondering if I can do layers in a day provided the dry times allot for it. May 28, 2, 0 Sacramento, Ca.

If your in a rush you could just put as many layers as you want. I put like layers in one session just keep building. Apr 23, 0 Tampa, FL. Jan 10, 7, 3 Iowa. Good question. Nov 26, 2, 4 North Carolina. So for the people that did multiple layers in a day do you have to wait for each layer to set up min. I thought I heard somewhere that if you apply too many layers at one time it can affect the strength because of the heat.

Mar 4, 5, 2 Kansas City, MO. You can do quite a few layers without any problems. On larger fiberglass molds , it may be more practical to add core materials to bring the mold up to the desired level of stiffness. The hardening process begins immediately, so only add catalyst to a working quantity.

The curing process generates heat within the resin. Materials: Use two overlapping layers of 1. The key is to achieve a proper balance of strength and flexibility.

Whats the quickest way to dry fiberglass resin? If you added the right amount of hardener, resin should be dry to the touch in about 20 minutes at room temperature. If it's still sticky after several hours, then try dusting it with talcum or baby powder. About the Author: Set the fiberglass in the sun.

The curing of fiberglass resin is an exothermic reaction, meaning that heat makes it work. Use a heat gun on the fiberglass. If the heat of the sun isn't enough, a more intense heat source may be needed.

Spray a mist of catalyst onto the fiberglass with a spray bottle. To paint fiberglass , you 'll need to buff it with sandpaper, apply a primer, then paint it. If you 're using a spray paint or latex-acrylic paint , you 'll need to apply a coat or 2 of primer first to help it stick. Make sure you let the primer and paint dry between coats. Sand small pieces of fiberglass by hand with medium-grit sandpaper.

The point of sanding fiberglass is to remove the outer gloss finish so paint can adhere properly. Use to grit sandpaper or a sanding block and move it back and forth over the surface. Sand the whole surface of the fiberglass. It takes about hours to be hard enough to chisel and sand. Until that point it is chewy and will simply gum up sandpaper. Two-part polyester resin keeps fiberglass in place on vertical surfaces during layups, and remains tacky between coats for maximum adhesion when laminating.

No sanding between coats. Usually for 1. Whats the quickest way to dry fiberglass resin? If you added the right amount of hardener, resin should be dry to the touch in about 20 minutes at room temperature. The hardening process begins immediately, so only add catalyst to a working quantity. The curing process generates heat within the resin. It should take no more than 2 hours to cure with a drops per oz resin, at around 80 deg.