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Adhesive for Rigid Foam

octavian8 | Posted in Construction Techniques on

I am looking for a caulk type glue for attaching foam board to a CMU wall that has been coated with Drylok.  This is section of a conditioned crawl space where coated fiberglass  roll has been removed.  I have not bought the rigid board yet, if the exact type matters.
There will be no framing to support the board.

Replies

  1. cotto11 | | #1

    PL 300 for Foam board by loctite works great I would put a couple boards up against the foam until the adhesive dries though.

  2. User avater
    tfarwell | | #2

    Yup - I used PL as well, and I had drylok on one wall. As suggested above, I leaned boards against it.

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