Gluing Metal to Wood

      Adhesive suggestions for attaching a stainless steel top to a plywood subtop, and other metal-to-wood situations. February 27, 2013

Question
Any suggestions for affixing a stainless steel bar top to a plywood substrate? We tried silicone and didn't have much luck.

Forum Responses
(Adhesive Forum)
From contributor R:
As long as the metal is cleaned from any oils, most PURs (like Gorilla Glue) will bond to it.



From contributor J:
Epoxy. Just be sure the surfaces are clean and scuff them up with some coarse paper.


From contributor T:
I'd recommend MDF for the substrate, or else kerf the plywood to accommodate differences in expansion between the materials.


From contributor O:
Most general contact cements will work.


From contributor A:
True poly adhesive/caulks typically have the best adhesion and toughness for bonding different materials. These are not PUR.

The best is 3M 5200. It is a marine or black white poly adhesive/caulk. It has been renowned in the marine community for over 30 years. The claim to fame is that it will hold a lead keel on a boat hull with no fasteners.

PL and Sikaflex make a similar product that is sold at Home Depot. They are both very good as well, but nothing beats 5200.



From contributor K:
Surprised nobody has mentioned good old construction adhesive. Done this quite a few times using PL400 with good results.


From contributor I:
I would like to glue copper sheet to a gluable backer (melamine on particleboard). I've gotten different opinions from suppliers. Any ideas?


From contributor O:
PL construction adhesives will glue virtually anything to anything and I have had some interesting accidental glue-ups to prove it.


From contributor U:
I have a client who wants to completely cover a lot of hollow metal door and window frames with hardwood trim to achieve a more traditional appearance. What would be the best adhesive assuming I don't want to use mechanical fasteners that would have to be countersunk and plugged?


From Jeff Pitcher, forum technical advisor:
Assuming they can clamp it, I'd suggest a reactive PUR.

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