You will need to use only clear water to avoid worsening the situation.
Removing old concrete from slab after removing brick wall.
But if you pull up old tiles it may be something you will have to contend with.
Mortar is a cement based paste that is used for binding building materials like bricks tiles and stones.
If it s a mesh grid you can break the concrete into chunks and then cut the mesh with bolt cutters.
I only have this small area to do and i hope i don t have to do this again.
Place a 1 inch 2 5 cm putty knife at a 45 degree angle to the remaining thinset patches.
Just take a few whacks at the slab with a 12 lb.
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.
Press the trigger to drill down into the masonry.
And it s great for creating durable surfaces.
Insert a concrete drill bit into a high speed drill and put on safety glasses and a dust mask.
Within 10 minutes you ll know whether it s a job for a sledge or a jackhammer.
Removing mortar from concrete slab floor can be tricky.
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.
Use the flat end of a 2 pound 0 91 kg hand maul to hit the end firmly.
Remove smaller patches of thinset using a chisel.
Step 3 place the drill bit on the masonry just above or below the anchor.
Steel reinforcement can ruin your day.
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.
You should notice the thinset patches breaking apart after about 20 to 30 seconds of hammering.
The easiest step to remove efflorescence is to wash the wall and scrub the area to see if the stains go away.
Getting rid of the concrete.
Yet when you need to remove it it can be a nightmare.
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.
You can tap them with a cold chisel and hammer to remove them from concrete brick or metal but that strategy is too drastic for removal from vinyl or glass.