Epoxy To Seal Plywoodboat Floor

Photo a shows the direct result of not sealing the end of a fibreglass boat deck where it meets the well.

Epoxy to seal plywoodboat floor.

Epoxy will last longer and yes poly resin will eventually let some water through. Dip a foam brush into the clear penetrating epoxy. Marine plywood is a type of wood specifically formulated for use in moist or wet areas. The many layers of marine grade plywood are held together with waterproof adhesive allowing the wood to withstand direct contact with water.

It is almost always necessary to coat the marine. Is there an alternative to epoxy resin for sealing a plywood boat. Two part epoxy paints and one part polyurethane paints both use volatile organic compounds. The end grain has been exposed meaning water has crept between the plywood and fibreglass over time.

This plywood is formulated to resist water and moisture on its own. 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. 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. However usually the materials in the wood are not enough to block all moisture from the wood.

The floor will need to be cut out and replaced. Prior to the same date would originally have been done with poly. Sealing marine plywood is a lot like sealing other types but it does differ slightly. But lots of old aluminum boats did nothing but paint the wood and in lots of cases it still lasted 30 years.

The end result is the entire floor is now spongy and most likely rotten. Any fiberglass boat pre about 1980 and any resined floor transom etc. Use multiple coats of epoxy i like 4 coats for an extremely durable protective finish.