Can You Repair A Concrete Ceiling

Narrow cracks can be filled with a masonry crack filler that comes in a cartridge designed to be used in a caulking gun.
Can you repair a concrete ceiling. Keep the area well ventilated. The repair compound will have pushed up a little so you ll need a coarse grade sandpaper designed for metal or concrete to smooth the surface for painting or sealing. New materials are durable strong expand as they dry and create a permanent repair. Cracks or damage to concrete ceilings indicate a problem.
Then spray on two to three light coats of good bye cracks. Clean up spills immediately. Remove any loose debris from the crack and surrounding area with a wire brush and broom. Wear gloves when handling epoxy based repair compound.
If the repair is inside a finished space recoat or paint the ceiling where the repair was done. The concrete or support structure are beginning to fail. Something in the support structure or in the concrete itself is failing. Start by cleaning loose material out of the crack and fill it with joint compound.
Sand over the top of the repair to blend it into the ceiling. Or you can fill the cracks with a vinyl concrete patching compound applied and smoothed with a putty knife. If the damage is greater than 1 3 of the depth steel bars may need to be installed and a full depth restoration may be required. When the spalling damage is shallower than 1 3 of the concrete s thickness the concrete usually can receive a surface repair.
It works best on hairline cracks but it s worth a try on wider cracks too. New types of materials help repair concrete ceilings.