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Old 09-30-16, 11:26 AM   #3
TobyB
Lurking Renovator
 
Join Date: Sep 2016
Location: Carnation WA
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Thanks, Jeff-

that's what I've been finding- anything over 15 psi is hard to get ahold of. Add to that
our mild climate, and no- one locally carries much in the way of higher strength insulation.
Odd, given our supposed 'green' label and relatively high energy costs,
but we're pretty mediocre in attitudes towards insulation.

I'm planning on a 5" slab, and it will probably see pretty limited loading-
smaller cars, mostly. Do you think the 15psi's ok, or should I start shopping for
something stronger?

t
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