Fill the crack with urethane caulk similar to what you would use for driveway caulk.
Using concrete motor to fill gaps in a basement wall.
Under ordinary circumstances this gap is too small to admit water.
Great stuff gaps cracks insulating foam sealant is a ready to use minimal expansion insulating foam sealant that expands up to 1 inch to take the shape of gaps creating a long lasting airtight and water resistant seal around plumbing and electrical in basements attics and more.
Use the end of a putty knife to push the rod firmly into the gap.
Use a smooth even motion filling the crack flush with the surface beveling it if it s against the house.
This liquid cement or concrete crack filler is ideal for narrow cracks on the deck in the basement etc.
Snip the opening of the tube at a 30 degree angle making the opening the same size as your gap.
You don t have to bother about proportioning or mixing as this liquid cement crack filler is ready to use.
However it will eventually fail in one of two ways.
If necessary use multiple rods.
The ergonomically designed filler easily reaches into narrow cracks and saturates the space created by the crack.
Stuff the rod into the gap filling it up to about 1 4 inch from the surface of the concrete.
Typically this will be cracks in your foundation.
After the walls have cured the basement floor is poured leaving a similar tiny gap known as the cove joint between the cured walls and newly poured floor.
It works perfectly as a concrete expansion joint sealant.