The common approach is to fill the crack with spackling then paint over it, but this is at best a temporary fix, since the crack will usually come back as the seasons change. A better solution is to apply drywall compound and tape over the crack to keep it from telegraphing through.
Can you fix hairline cracks?
You can repair hairline cracks in concrete with a grout made of Portland cement and water. Add just enough water to the cement to form a thick paste. … After the hairline crack has been moistened and thoroughly cleaned, apply the grout with a putty knife or pointing trowel.
Can you caulk ceiling cracks?
Use an adhesive caulk, or a pliable caulk, to fill the cracks. Put a bead of this caulk in the joint and press it in with your fingers. It is the only thing that will fill such small cracks. … The caulking stays a bit pliable, and will expand and contract with any movement of the ceiling, keeping the crack filled.
Why does my ceiling keep making cracking noises?
It’s thermal expansion and contraction. The sun hits your roof and heats it up. As the lumber expands, it moves and rubs against other pieces of wood that aren’t moving at the same rate. This movement creates the popping noise.
Do you need to repair hairline cracks in concrete?
Your concrete driveway is strong and durable and, if maintained, will give you many years of service. When occasional hairline cracks occur, a simple repair will get your driveway looking good and prevent the crack from becoming larger.