Helpful? 0

Protecting crawl space slab foam

We have a 4' crawl space that has eps foam+vapour retarder for a 'slab.' what are some cost-efficient options for protecting the foam and poly? i imagine the homeowner will want to use the space for some storage. p.s., concrete is not an option....thanks again, gba!

Asked by erik olofsson
Posted Mon, 01/28/2013 - 14:05
Edited Mon, 01/28/2013 - 15:18

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3 Answers

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1.
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Erik,
The right answer is "concrete." I'm not sure why you don't like the right answer.

I suppose you can loose-lay some 4x8 sheets of cement backerboard on top of the foam if you don't like concrete.

Answered by Martin Holladay, GBA Advisor
Posted Mon, 01/28/2013 - 14:20

2.
Helpful? 0

thanks for your advice, martin. what about laying down t+g osb directly on the poly? or laying standard edge osb on 2x4 sleepers?

Answered by erik olofsson
Posted Mon, 01/28/2013 - 14:53

3.
Helpful? 0

As long as the crawl space floor stays dry, I suppose OSB will work.

Answered by Martin Holladay, GBA Advisor
Posted Mon, 01/28/2013 - 15:12

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