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Warmboard job

JimmyJam
JimmyJam Member Posts: 78
in THE MAIN WALL
We are starting a Warmboard project tomorrow and am looking for some answers please. Warmboard is closed for the holidays i guess. We are installing panels over vapor barrier/concrete slab and am wondering if we need to allow for any expansion of panels around perimeter and between panels or can we butt them tightly?
Thanks!

Comments

  • jerry scharf_2
    jerry scharf_2 Member Posts: 414
    not a warmboard expert

    Warmbaord is plywood, and you should do the same for that as a standard subfloor. Wood expands more by moisture content than heat. So unless the moisture content of the WB is much lower than expected operating moisture content, there should be no reason to include gaps.

    jerry
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