Over the years many of our customers have asked for advice when bonding dissimilar substrates such as plywood or aluminum to precision board.
Bonding aluminium sheet to plywood.
Dave you don t have to go through any of that trouble as it s already been done for you.
For very high strength use a metal bonder such as 170 or the original 910.
Metals are usually formed and processed with oil to ease the.
Bonding aluminum to plywood i have done a lot of thinking about this issue this summer and i would suggest a different material.
Dry fit the pieces you will be bonding together before applying any adhesive to be sure you have a proper fit.
Most silicone caulk is food grade and some are good for up to 500 degrees.
It will help if you use steel wool on the metal to create a more abrasive surface.
Got 2 questions regarding aluminum and wood.
If however you re gluing a large piece of aluminum to a large piece of plywood then you need to insert long wooden dowels or some other spacers on top of the glue coated surface of plywood.
Short ish video comparing how well or poorly four different common adhesives bond aluminum to wood specifically maple.
Vac bag it if you have one.
Be sure that the wood surface is free of contaminants like dust dirt oil grease and wood finishes like stain wax and polyurethane.
Have all of your weights and clamps ready especially if working with pb fast set it dries fast.
All grades will bond aluminum well.
Now they are not the usual 2 items glued together but my project requires that they be fixed.
Cyanoacrylate also known as instant adhesives super glue crazy glue ca glue etc.
It s called nu alum and is thin aluminum already bonded to 1 2 exterior grade plywood and while it s very paintable already comes in many colors.
Bonding a dissimilar substrate to precision board is easy when the proper procedures are followed.
Make sure both surfaces are clean and dry.
Will not catch fire can be screwed on without messing it then just seal it with silicone caulk.
Then lay the sheet of aluminum with the glued surface facing down on top of the spacers.
How do i glue aluminum to wood.
First project is a 60 x 26 surface that i need 1 8 thick aluminum 3003 glued onto a 1 2 mdf core or veneer core plywood.
My choice would be cement board.
Because of the aluminum a single o flute.
For bonding aluminum to dissimilar surfaces with different coefficients of thermal expansion consider toughened 737.