But they didn t seal it.
Epoxy to seal plywood boat floor.
Note that even though the plywood has been snapped and left exposed to rain and wind it still holds its integrity.
A scratch penetrates that pretty easily.
It is almost always necessary to coat the marine plywood in additional sealer to block all moisture from the pores of the wood.
Photo d is a piece of plywood from the floor of a boat wreck.
Anyone have any ideas as to what i can use to deal the underside of the plywood.
Allow the epoxy to dry completely before flipping it over and applying it to the bottom edge and back of the wood.
A good rule of thumb for sealing marine plywood is to apply as many layers of sealer as there are layers in the plywood.
This is a popular type of sealant that can be easily used on most plywood.
I ve built a couple boats.
Between the carpet and the floatation foam new floor was already deteriorating.
However usually the materials in the wood are not enough to block all moisture from the wood.
Watch how to scrape off the old finish on a dinghy and then how to mix the proper amount of epoxy before you start your next project.
Just removed the carpeting and found several areas that were rotten on the floor.
Main floor was replaced 3 years ago with 3 4 marine ply.
A good rule of thumb is to add as many coats of sealant as there are in the plywood.
If you have purchased plywood with six layers for example apply six layers of epoxy to seal it.
Marine plywood is thicker than typical plywood so you ll need to apply more coats to maximize its lifespan.
This plywood is formulated to resist water and moisture on its own.
You ll find a lot of debate over epoxy encapsulation may people feel it just leads to checking on plywood particularly douglas fir which is great boat building wood btw and at the most epoxy alone just penetrates a millimeter or two into the wood.
For your wooden boat bu.
With normal plywood you would use two coats of sealer maybe even three.