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Forum topic by MrRon posted 08-12-2017 09:49 PM 164 views 0 times favorited 2 replies Add to Favorites Watch
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4217 posts in 2964 days

08-12-2017 09:49 PM

I want to fabricate a built-up beam comprising (2) 2×8’s and a 2×4. I will nail them together , but want an adhesive to develope the beam strength. The catch is; the wood is pressure treated, ground contact. I don’t know if the preservative used will prevent the adhesive from bonding. My thought would be to use PL-3 or an epoxy. What say you?

2 replies so far

View Loren's profile


9146 posts in 3368 days

#1 posted 08-12-2017 09:50 PM

I think something like liquid nails would stick.

View jonah's profile


1043 posts in 3019 days

#2 posted 08-13-2017 12:18 AM

I’d use a polyurethane construction adhesive. Liquid nails or similar.

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