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Wed, Nov 16, 11 at 16:05
| Hi, I am finishing a basement. I installed 1" ISO under the slab, and was thinking about laying 1/2" Super tough R panels on top of slab, then basement approved laminate flooring directly on top of that. I would also Tape all seams with Tyvek. Thought it would provide a moisture barrier as well as making the floor less cold. I don't have the headroom for a more elaborate insulation/subfloor system. Any thoughts? Thanks. |
Follow-Up Postings:
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| Polyiso is commonly available in compressive strengths of 16-25 psi , adequate for roofs where foot traffic is limited to installation and maintenance, not for an occupied basement. Instead, use XPS, which comes in normal strengths of 40-100 psi.. But it must be followed by one or two layers of ply. If you want to forego the insulation, use a bubble membrane product, such as Delta FL. Before applying laminate, be sure the manufacturer warrants it for basement use and use the subfloor materials recommended. |
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| Polyiso under the slab is isn't very effective either. |
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