Epoxy To Seal Plywoodboat Floor

The floor will need to be cut out and replaced.

Epoxy to seal plywoodboat floor.

This plywood is formulated to resist water and moisture on its own. Since it s the ideal wood for moist or wet conditions it s often used to craft boats boat parts or outdoor furniture in coastal areas. Prior to the same date would originally have been done with poly. The end grain has been exposed meaning water has crept between the plywood and fibreglass over time.

It is almost always necessary to coat the marine. Unlike an epoxy based paint which will dry in air using a powder coat paint needs high temperatures in the range of 300 degrees fahrenheit or more to adhere and that will melt the fibreglass boat floor. Two part epoxy paints and one part polyurethane paints both use volatile organic compounds. The end result is the entire floor is now spongy and most likely rotten.

I would like to keep my costs down on this project as i just bought a car but would still like to build this boat so i can get out on the water along with my wife who has a kayak. Any fiberglass boat pre about 1980 and any resined floor transom etc. Marine plywood is a type of wood specifically formulated for use in moist or wet areas. Dip a foam brush into the clear penetrating epoxy.

But lots of old aluminum boats did nothing but paint the wood and in lots of cases it still lasted 30 years. Is there an alternative to epoxy resin for sealing a plywood boat. The many layers of marine grade plywood are held together with waterproof adhesive allowing the wood to withstand direct contact with water. Epoxy will last longer and yes poly resin will eventually let some water through.

Photo a shows the direct result of not sealing the end of a fibreglass boat deck where it meets the well. You need to at least seal the top side of your plywood and the edges you can seal the bottom side of the plywood if you want or think it ll get wet. Sealing marine plywood is a lot like sealing other types but it does differ slightly.