Sub Slab vapor barrier replacement - trench opened

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Sub Slab vapor barrier replacement - trench opened

Сообщение Donnieclark Чт дек 07, 2017 3:12 pm

Hi all, opened a trench (15" wide by 50' or so) to fix underslab groundworks issue. Typically, 6 mil poly is used as vapor barrier below slab. That has since been destroyed and there's no good way to lay new poly and tape the seams to the existing. Engineer has spec'ed this, but now need an alternative.

I found liquid boot as a spray membrane but they have a limited installer network. I'm in Maryland. Looking to see if anyone has suggestions for a spray/liquid vapor barrier for this minimal application.

Forgoing the vapor barrier and taping the seams should be considered not an option at this point.any ideas?

Please help.

I didn't find the right solution from the Internet.

References: ... nch-opened

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