Fiberglass questions - DoItYourself.com Community Forums

In the auto industry it's hard to tell. They use many custom products that aren't commonly available. You will need to remove the old fabric and glue, either by sanding or with solvent, before fiberglassing to it. Some plastics don't bond well with polyester or epoxy resin so you will want to stack everything in your favor by preparing the surface well for bonding, including a nicely scuffed/sanded surface.

For installing the new fabric I would use a spray contact adhesive. I've had good luck with 3M Super 77. If you use a fabric that can be stretched or deformed I would cut your fabric over size and roughly form it to the shape of your piece. Then spray the back of the fabric and your A pillar cover with adhesive. How much "working" you can do depends on how soon you start sticking the pieces together. For this I would start applying the fabric as soon as you are done spraying and while the fabric is wet. Working when it's cold and humid will help slow the drying of the contact adhesive and buy you more time but you will only have a minute or two. If you follow the can's instructions and wait for the glue on each piece to mostly dry then they will stick instantly when they touch and you might not be able to reposition or stretch the fabric.

I've also had good luck using carpet and VCT adhesive intended for floors. Apply it to only the fiberglass part. It gives you more working time but it doesn't have much high initial grip so it could be harder to stretch your fabric and get it to stay where you want. If using this method make sure you don't use too much adhesive. If you use too much it will saturate the fabric and bleed through to the surface.

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