Removing Old Concrete From Slab After Removing Brick Wall

Insert a concrete drill bit into a high speed drill and put on safety glasses and a dust mask.

Removing old concrete from slab after removing brick wall.

Getting rid of the concrete. Just take a few whacks at the slab with a 12 lb. Place a 1 inch 2 5 cm putty knife at a 45 degree angle to the remaining thinset patches. Step 3 place the drill bit on the masonry just above or below the anchor.

But if you pull up old tiles it may be something you will have to contend with. If it s rebar your best bet is to jackhammer the concrete off the rebar or bring in a pro with a demolition saw to cut it up. Remove smaller patches of thinset using a chisel. And it s great for creating durable surfaces.

You will need to use only clear water to avoid worsening the situation. You should notice the thinset patches breaking apart after about 20 to 30 seconds of hammering. Use the flat end of a 2 pound 0 91 kg hand maul to hit the end firmly. Yet when you need to remove it it can be a nightmare.

A better alternative is to soak the chunks with a soap solution to lubricate them then gently work a smooth edged flexible metal putty knife behind each one and gently pry it. I only have this small area to do and i hope i don t have to do this again. Steel reinforcement can ruin your day. If the other cutters work then i think i ll try that first and i may even have some on my truck because i had to cut a hole in a block wall to run conduit.

Within 10 minutes you ll know whether it s a job for a sledge or a jackhammer. Removing old mortar from concrete slab yes that bosh cup is about 111 but i did find a smaller one for 70. If it s a mesh grid you can break the concrete into chunks and then cut the mesh with bolt cutters. The surest way to decide whether to use a sledgehammer or a jackhammer is to experiment a few days before you begin full scale demolition.

Press the trigger to drill down into the masonry. Mortar is a cement based paste that is used for binding building materials like bricks tiles and stones. The easiest step to remove efflorescence is to wash the wall and scrub the area to see if the stains go away. Once set concrete fasteners generally are not designed to be removed from concrete brick or block without damaging the base material into which they have been set if pulled on hard enough the base material will fail the anchor will become detached and there may be a hole in the concrete that is the shape of an upside down cone.