Step 1 sand and smooth the metal piece to which you will attach the fiberglass with a disc sander or regular sandpaper for smaller jobs.
Bonding fiberglass to sheet metal.
A sand down the perimeter of the quarter panel on your car to the bare metal.
840 2570 l 840 2570 r 129 99 each from auto metal direct will replace the rotted out sections on our e body project.
These left and right trunk floor extensions part no.
Apply the epoxy to the metal surface and the fiberglass surface.
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One of the best structural adhesives for fiberglass is methylmethacrylate commonly referred to as mma s.
On the quarter panels.
It is ideal for bonding quarter panels roofs skins box sides van sides utility vehicle sides and door skins anywhere that requires a lasting bond for outer body panels as specified by oem.
Here is basic outline of bonding fiberglass flares to metal quarter panels the materials you can use for the quarter panels would be 3m panel bond or polyester resin with 1 5 ounce fiberglass matt.
Wipe off any epoxy that squeezes out.
The result of years of development and testing our 3m panel bonding adhesive bonds and seals plastic and metal substrates including cold roll steel aluminum smc and frp traditional fiberglass.
For cleaning use acetone to prep the surfaces.
This type of structural adhesive is widely used in the fiberglass industry marine general industrial etc to bond fiberglass to fiberglass for structural performance with minimal prep.
The more the metal conforms to the shape of the fiberglass the better the adhesion will be between the two.