[Greenbuilding] Basement EPS with plywood (acceptable)

ErgoDesk ergodesk at gmail.com
Fri Jul 12 20:40:30 MDT 2013

1. Place EPS or if you want to spend more $ use XPS directly on the
concrete, the the wood flooring on the Foam, no tapcons required or

2. If concrete is not level, pour self levelling cement then place 1.5" EPS
on the still wet cement, don't stand on the foam, just let it float. When
the cement is cured, as per directions, place flooring directly on the
foam. For best results use a 1.5 lb. per cubic ft. density foam, do not use
XPS foam for this method, no tapcons required.

Advanced, Super Insulated, Building Systems

On Fri, Jul 12, 2013 at 9:52 PM, John O'Brien <john at boardom.ca> wrote:

> Friend is doing some work, looking to put down 1" EPS, with floating
> plywood, tapcon'd down, followed by some floating laminate.
> Would this be considered an acceptable base, or would it be beneficial
> to bump up to XPS or run a double layer of 1/2" ply staggered for more
> point load compression protection?
> Cheers,
> J
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