Fill and smooth the joint.
Caulking concrete floor joints.
Lower than the surface of.
Set the rod 1 4 in.
They use a high quality self leveling caulk that won t shrink and is flexible enough that it will remain in place even if the concrete does happen to shift around.
Have a rag and a small empty cup readily available to put the end of the tube into after you re done.
Most a 1 concrete leveling locations offer concrete joint and crack caulking.
Use foam backer rod into the gap with your fingers.
Caulking an expansion joint or an isolation joint is something you can do yourself.
Fill the crack with urethane caulk similar to what you would use for driveway caulk.
Caulking concrete cracks install backer rod.
Caulking your concrete cracks and joints is the best way to keep water from getting under your slabs.
Caulking concrete control joints is no fun but satisfaction from getting perfect results makes it less miserable imho.
If you have to stop before the tube is empty stop squeezing the handle about a foot before you have to stop and let gravity slow the caulking from coming out.
You too can get excellent results by u.
However the 13 3 ounces weight is heavier than most caulks.
In other words when the concrete does shrink and crack the control joint is placed so that the slab will crack on a.