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Discussion Starter #1
Okay, so I've searched the web and searched through this forum and can't find the answer to one question I have.

I will be pouring a rat slab into my crawl space to prevent the persistent buggers from tunneling under my footing. I also plan to make this a conditioned crawl.

Should I pour the rat slab over rigid foam? Would it make a difference? I'm in climate zone 4c (Seattle)?

Thanks!
 

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Discussion Starter #4
Happy New Year and thanks for the great info in the links!

I was planning on using XPS but do you know if I can use R-Matte Plus ISO?

Thanks
 

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Discussion Starter #7
hmm yeah...my experience with the foil is that if often gets a small puncture if you look at it the wrong way.

Thanks for the add'l info:)
 
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