How To Repair Small Holes In Concrete Walls

Also known as blow holes bug holes are small air bubble voids on the surface of formed concrete.

How to repair small holes in concrete walls.

Http how to paint info this is one way you can patch or fix holes in rendered walls either internal or external rendered walls can be done this way when u. If you re patching a large number of holes and other damage prime the patched walls before repainting especially if you re choosing a semi gloss or shinier finish. Each kit contains a two part epoxy crack sealer two 10 oz. About 2 months ago we finished placing a concrete foundation for a large commercial building and now the owner is complaining about surface bug holes the bug holes are fairly small less than inch wide but occur fairly frequently in some places.

Three main factors contribute to this condition improper vibration practice non permeable formwork and mix design. We have six different ways to make the repair depending on the size type and place of the damage. If you re patching tiny nail holes you can cover up the repairs by dabbing on touch up paint with a soft cloth. Common spackling products do not adhere to the concrete and are not suitable for repairing holes or cracks in your concrete walls.

Tubes of liquid concrete repair lcr a viscous epoxy that comes in a caulk type cartridge and seven plastic injection ports that deliver the lcr deep into the crack. Holes in concrete walls are more likely the result of drilling into the wall to secure shelving or to hang other items on the wall. To create a smooth surface when these items are removed the hole must be filled. Until the painters started painting the walls everyone was pleased with our work.

To prevent bug holes follow the aci american concrete institute published vibration. Fill holes with a mortar mix instead of regular concrete. New concrete can t bond properly with the old concrete so you will have to get something specifically meant for repairs. There s enough material in each kit to repair a 1 16 in wide x 8 in deep x 8 ft long crack.

Because no chemical bond is created when new concrete is poured against old concrete cold joints such as when you put an addition on your home will often leak water. When you shop for store bought concrete you will see a variety of different options.