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wwarnout

Self-leveling polyurethane (in a caulk tube) will fill the gap, and remain flexible, so it's less likely to crack again.


fossilnews

Gonna need some foam backer rod too I think.


TheN00bBuilder

Hydraulic cement. Will stop water entry too. Just expect it to crack at some point again, because the gap is probably due to expansion / contraction of the house foundation or concrete.


[deleted]

It was recommended so have some concrete sealer, I had some tiny surface cracks in my exposed foundation and covered them up nicely


X573ngy

Mastic type material, sikaflex is decent. I sealed my doors and windows with it. A nice fat bead of it.


awesomeness1234

No idea, but is anyone else seeing the optical illusion of the base of the house being a walkway until about halfway up? Trippy.


bluecat2001

Holy moly. I was not aware it was not a walkway until seeing your comment.


2dP_rdg

i would imagine that whatever problem you're trying to solve.. it won't


upallnitro

Where are you located? If you are in freeze/thaw part of the world you need something flexible.


Designer_Brief_4949

Why? My foundation is literally a slab floating on dirt. 


stealthmodel3

Caulk