Mike Lamb Posted May 30, 2008 Report Posted May 30, 2008 If you were going to seal a crack (about 1/16") in a poured foundation from the outside, how would you go about it and what type of sealant would you use?
hausdok Posted May 30, 2008 Report Posted May 30, 2008 Hi, Depends if I was concerned about structural movement, infiltration, or both. Regardless, you can find what you need for any of these conditions right here. ONE TEAM - ONE FIGHT!!! Mike
kurt Posted May 30, 2008 Report Posted May 30, 2008 If it was all clean and accessible, I might cover it w/ peel & stick membrane, or maybe I'd torch some mod bit to the foundation.
StevenT Posted May 31, 2008 Report Posted May 31, 2008 If it's for seepage only, I swear by hydrophobic polyurethane. Although I usually use it when "stopping" a crack from the inside. When applied to the center of the wall/crack, it is drawn towards and activated by water. It swells and forms a water tight gasket. I have watched it stop running water in a matter of moments. If you have good/clean access from the outside and can get at the entire crack, a membrane and proper waterproofing cement is fine.
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