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Gluing rigid foam insulation to self

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Blog entry by Bob Casey posted 04-29-2018 09:32 AM 838 reads 0 times favorited 7 comments Add to Favorites Watch

I want to glue up Pink rigid foam insulation. The thickest I can find is 2” and I want to make a core for large Shaker Oval boxes and I need to glue up a 6” thick core. I could glue up wood but that would be too heavy to use. what type of adhesive will glue up rigid foam? someone told me to put 1/8” plywood between layers of the rigid foam but again what to use as an adhesive. Thank you for your help

-- woodnutbob



7 comments so far

View cutmantom's profile

cutmantom

407 posts in 3453 days


#1 posted 04-29-2018 11:36 AM

There should be a construction adhesive for that, check the label for recommended uses

View SPalm's profile

SPalm

5333 posts in 4300 days


#2 posted 04-29-2018 11:45 AM

For shaker box forms and such I would use 3M spray adhesive. It is not going to be outside and exposed to all the elements.

Also it routes well. Rigid foam and soft foam cut well with an electric carving knife just for info.

Steve

-- -- I'm no rocket surgeon

View Gene Howe's profile

Gene Howe

11623 posts in 3846 days


#3 posted 04-29-2018 12:02 PM


For shaker box forms and such I would use 3M spray adhesive. It is not going to be outside and exposed to all the elements.

Also it routes well. Rigid foam and soft foam cut well with an electric carving knife just for info.

Steve

- SPalm


Ditto. I use it on French fit gun presentation boxes and it works well to adhere foam to wood or, to it’s self.
For a stronger bond, Weldwood Contact Adhesive also does the job. But, the smell lingers.

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

View SirFatty's profile

SirFatty

545 posts in 2630 days


#4 posted 04-29-2018 12:07 PM

I’ve seen the expandable foam (Great Stuff, et al) used for this purpose.

-- Visit my blog at dave.spalla.com

View johnstoneb's profile

johnstoneb

3115 posts in 2590 days


#5 posted 04-29-2018 12:28 PM

I would go the 3M spray adhesive. Be careful on rigid foam with contact adhesive I have seen the adhesive react with the foam and the results were not pretty.

-- Bruce, Boise, ID

View Woodknack's profile

Woodknack

12842 posts in 2798 days


#6 posted 04-29-2018 06:38 PM

View Bob Casey's profile

Bob Casey

82 posts in 1899 days


#7 posted 04-29-2018 07:42 PM

I want to thank everybody for telling me what adhesives to use everybody was very helpful I will pick up 3M spray adhesive and Loctite tomorrow. I will try them both and the suggestion of an electric carving knife time to hit the garage sales or flea market for that. but a good idea

-- woodnutbob

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