How to Fix Foundation Cracks Step 4 Level the caulked surface, then allow it to cure for 4 to 6 hours. Run a 1 1⁄2 in (3.8 cm) putty knife over the filled crack to smooth the surface and scrape away excess caulk. https://t.co/iaaje759IY https://t.co/yb6V5RGxFs

How to Fix Foundation Cracks Step 4 Level the caulked surface, then allow it to cure for 4 to 6 hours. Run a 1 1⁄2 in (3.8 cm) putty knife over the filled crack to smooth the surface and scrape away excess caulk. pic.twitter.com/iaaje759IY https://t.co/yb6V5RGxFs

— Foundation Repair (@FoundationsAce) September 29, 2019

from Twitter https://twitter.com/FoundationsAce