Concrete Pop Out Repair

10 mm in diameter.

Concrete pop out repair.

10 to 50 mm in diameter. Using a cold chisel and a 3 pound sledgehammer undercut the hole by making the pop out wider at the bottom than at the top. Clean the hole with a stiff fiber or wire brush. Tap the chisel into the bottom of the hole sides to make a small ridge or undercut around the perimeter of the hole.

You can patch the small holes by cleaning out the loose material and filling each one with a concrete patching material. 50 mm in diameter. Small pop outs leave holes up to 0 4 in. For medium and large popouts use a hammer and chisel small chipping hammer or core drill to remove all remnants of deleterious substances and unsound concrete.

Repair for small popouts use a rotary hammer drill and drill out the remaining deleterious substance and unsound concrete to create a hole with a minimum depth of inch. And large pop outs leave holes greater than 2 in. Chisel the bottom of the hole where the pop out occurred to make it level. Also known as rock pops they are small cone shaped pieces of a concrete surface that separate due to focused internal pressure.

Pop outs are small conical shape chunks of concrete that have popped out and left a hole behind. See the short video below. It s possible the concrete was weak at this location because the concrete finishers used extra water when they tooled the control joint with the steel tool. Repairing seasonal pop outs in stamped and colored concrete is easy with matchcrete clear.

If you have an over abundance of pop outs in your concrete slab you need to consider resurfacing the patio. Just add some powered pigment or grout to the clear matchcrete aliphatic polyurethane and you can match most any color. Medium pop outs leave holes 0 4 to 2 in.