Browse Forums General Discussion Re: Expansion foam 2Apr 18, 2023 8:04 am ![]() Hi can someone suggest if expansion foam requires before pouring concrete around house? Not expansion foam, but a expansion joint foam. Two very different products. And it should be installed and wrapped around your storm water penetrations where the concrete will be. https://cornellengineers.com.au/all-about-abelflex/ Oh no! I would use a can of expandable foam ( there are some that will take render) then cut it back and render over the top 1 6353 ![]() There is nothing in the various codes and standards that puts this requirement on the builder to do. I think that is what you are asking. Don't waste time trying to get… 5 3914 your builder would be able to answer that question accurately based on plan. 1 1433 |