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  • FIRST POST
    • Frank99
    • By Frank99 14th Jun 19, 3:14 PM
    • 281Posts
    • 25Thanks
    Frank99
    Filling gaps in wall studding?
    • #1
    • 14th Jun 19, 3:14 PM
    Filling gaps in wall studding? 14th Jun 19 at 3:14 PM
    Long story made short, brick wall on the outside and the inside studded, i wanted to fill the the gaps with expanding foam but i have heard about how cavity wall insulation can absorb moisture and bridge it to the inside concerned about using it in this situation.

    I was going to squirt it under where the skirting board has to go because Wood Louse and small spiders keep walking from under the studding into the living room at night, the spiders have not gone down well with the other half to say the least.

    I have used this foam in other situations but similar to cavity wall insulation i think the foam also absorbs moisture.
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Page 1
    • markin
    • By markin 14th Jun 19, 7:15 PM
    • 846 Posts
    • 692 Thanks
    markin
    • #2
    • 14th Jun 19, 7:15 PM
    • #2
    • 14th Jun 19, 7:15 PM
    Just use silicone to seal it.
    • king132
    • By king132 17th Jun 19, 11:26 AM
    • 73 Posts
    • 19 Thanks
    king132
    • #3
    • 17th Jun 19, 11:26 AM
    • #3
    • 17th Jun 19, 11:26 AM
    Measure the thickness of the stud work and fit the thickest polystyrene sheets for that size.
    • FreeBear
    • By FreeBear 17th Jun 19, 12:18 PM
    • 3,053 Posts
    • 4,034 Thanks
    FreeBear
    • #4
    • 17th Jun 19, 12:18 PM
    • #4
    • 17th Jun 19, 12:18 PM
    As long as there is a DPC in place, a very thin bead of expanding foam will seal the gap. Don't try filling the gap straight from the nozzle, at the stuff expands way more than one might think.
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