3m fastbond contact adhesive 30nf is a low odor water based adhesive designed to have high strength high coverage long bonding range and good heat resistance.
Ahesive bonding fiberglass sheets to plywood.
Once the glue dries i will join the surfaces together.
This classic adhesive has proven to bond combinations of most foamed plastics plastic laminate wood plywood wood veneer and canvas.
The other option is more epoxy to bond the sheet to the plywood similar to a boat deck repair.
Bonding it with epoxy may be overkill.
But in the case of a boat the fiberglass is structural and the wood is just there to thicken it with a lighter material than the fiberglass.
Pull the caulk gun trigger and squeeze a long bead of glue in a zigzag pattern on the back of the insulation leaving about 1 inch free of adhesive on the edges.
I already purchased the glue a red contact cement called helmiprene 4570 made by helmitin.
Lay the foam panel face down.
This is the first video in a new series restoring a broom saturn speedboat.
Epoxy has the advantage of spreading across the two surfaces and filling in gaps that are visible between the fiberglass and wood.
The plan is to first glue the thin fiberglass panel to the 1 8 plywood and then attach the sandwiched panel to the aluminum frame.
I will spray the glue to the surfaces.