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Old 10-19-2013, 07:01 AM   #1
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Bonding aluminum to wood

I am about to start my overhead sleeper board replacement in my older class c Winnebago. I was wondering what's the best bonding agent out there to bond my new aluminum piece to my new sleeper board?
Any advice?

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Old 10-19-2013, 07:08 AM   #2
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I would try PL premium you get it in any hardware store. Cheers Gerald

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Old 10-19-2013, 07:27 AM   #3
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SikaFlex 219 is what we use religiously... excellent bonding/adhesion and remains semi-flexible. Make sure your parts are where you want them... this stuff refuses to come apart after it's set.

Sealing | Sika Corporation U.S.
94-Newmar Kountry Star 40-KSDP
Spartan/Cummins 8.3C-300HP/Allison 3060 WTEC-II/25yr RV Tech RVIA Certified/Onan-Cummins Certified
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Old 10-19-2013, 08:15 AM   #4
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Do I need to rough up the aluminum first
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Old 10-19-2013, 10:15 AM   #5
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Gorilla Glue sticks any two materials together - permanently
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Old 10-19-2013, 12:04 PM   #6
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Many things will do the job...

But wood and al move at different rates.

Apply good finish in multiple coats to ALL SURFACES of the wood, that helps keep the moisture level where it is now so it is less likely to grow and shrink.

Epoxy holds well, but is solid, dissimilar materials are the issue.

Temperature will cause the al to move more than the wood, so the glue needs to have some flexibility.

Some doublesided tapes now are unbelievable in how they hold.

If you have a well stocked mom and pop hardware store with folks who know what they are doing could provide what you need.

Maybe drill.holes in back side of wood before sealing to created attachment points for the glue

Tony & Lori
1989 Country Coach Savannah SE
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