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Stainless Steel to Partical board4/22
A while back we did a retail fixture job that had a 1/4" x 1/4" stainless steel trim on the front edge in a 1/4" x 1/4" rabbet. we used 2 part epoxy to secure it failed what will work best?
I have glued on more stainless trim then I'd ever care to admit in retail settings. I've tried PL, silicone, etc. It's usually been the heat from the lighting that caused them to fail.
The only thing I have found that actually holds is Gorilla Glue. But you need to make sure you clean the stainless extremely well with denatured alcohol and wet the wood or metal with water to activate the glue.
And go easy on the glue, it will expand and stick to everything you don't want it to. Hope that helps.
We also do a lot of this. The heat from lights is a no win situation. The metal moves a lot compared to the substrate. Worse the metal is heated on one side and wants to curl. We have the 3M reactive PU hotmelt system that seems to work well. $700+ for the gun, $75 per 10 oz. tube No matter what, you have to have the metal absolutely clean. We put a scratch pattern on the glue surfaces also. Even oil from your hands is a contaminate!
We use Manus Flexweld epoxy. It is inexpensive but requires double barrel caulking gun. It mixes easily and comes in non sag(thicker) and regular consistency. Always abrade metal and wipe with solvent right before gluing.