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Old 02-25-2019, 05:40 PM   #14
Mikefly
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Join Date: Feb 2019
Location: Toronto, ON
Posts: 27
No vapour barrier under the concrete - just dirt. FWIW we are on very sandy, well drained soil.

Contractor plans to wrap wood curb in 6mil poly as per the plates and now studs and insulation. Is there something I can point him to that shows this is a safer/better choice? I suspect itís how heís done it for the past 30 years - and it has worked well.
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