Epoxy Plywood Mat In Between

The fiberglass cloth used in fiberglassing a typical plywood boat must be compatible with epoxy resin.

Epoxy plywood mat in between.

Although most cloths will work with epoxy there are some that are not compatible. Then you apply epoxy fillets and fiberglass tape to permanently join the structure in a rigid shape. The most common is stitch and glue construction where panels are cut to a designed shape and temporarily joined with wire or plastic ties. Not a way to promote the use of inferior materials in the hope of selling some epoxy.

The 1708 is a 17 ounce 45 bias fabric with a 3 4 ounce chopped strand mat stitched to it. Don t force the epoxy into the cloth which may trap air in the fabric and show through the clear finish. Make the transom a couple of inches over size all the way around. Lt should be emphasized that the glen l epoxy encapsulation system is designed to make an already good material wood and plywood a better composite engineering material.

You may want to entertain the idea of epoxy i use raka 900 medium. Again this is epoxy that is sold as a clear coating epoxy. We have more than four decades of experience in composite construction in marine aviation industrial applications. Construction methods with plywood plywood is ideal for several construction methods.

Now let s go to our 207. After several minutes lay on additional epoxy to dry white areas. Apply enough epoxy to saturate the fabric and the wood below. The fabric does not wet out perfectly clear with epoxy.

Fiberglass mat should not be substituted for cloth. Put a lot of weights on it to compress it while it cures. Epoxy coating would be used on something that is plywood based construction that may be veneered inside and out so it has the appearance of traditional joinery but is very much a monocoque structure. The mat that is stitched to the fabric does not have a styrene binder like the regular chopped strand mat.

It s thinner it s not as viscos. And two or three layers of fiberglass cloth or mat between the two sheets of plywood before you cut to shape. Wet out clarity of mat with epoxy varies somewhat with different suppliers but none of them wet out as clear as a good 4 oz or 6 oz fiberglass cloth. Dip the brush in the epoxy and lay the epoxy on the surface with light even strokes.

No amount of epoxy can change an exterior grade panel into one of marine grade. Features an inventory of polyester resin epoxy gel coat mat and cloth foam and the various tools to aid in any lamination project. For gently curving or flat projects like cabin soles or plywood decks mat and epoxy should work fine.