The removal of old.
Removing old concret from slab after removing brick wall.
The easiest step to remove efflorescence is to wash the wall and scrub the area to see if the stains go away.
If it s a mesh grid you can break the concrete into chunks and then cut the mesh with bolt cutters.
Getting rid of the concrete.
With a jack hammer or hammer drill you will want to continue to break up the concrete into even smaller sections.
Yet when you need to remove it it can be a nightmare.
Remove a section of the thinset using the hammer and a chisel with a wide flat blade.
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.
Removing old mortar from concrete slab yes that bosh cup is about 111 but i did find a smaller one for 70.
Steel reinforcement can ruin your day.
You will need to use only clear water to avoid worsening the situation.
Put on protective eye wear.
Removing mortar from concrete slab floor can be tricky.
How to remove concrete sealer from floors.
But a plain old sledgehammer is fine for most jobs.
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.
Any pieces that are hard to remove can be done so with a crowbar.
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.
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.
To remove a concrete foundation you will first need to cut the concrete into smaller slabs for easier removal.
And it s great for creating durable surfaces.
This is best done with a circular saw.
I only have this small area to do and i hope i don t have to do this again.
Mortar is a cement based paste that is used for binding building materials like bricks tiles and stones.
This is because any old sealer left on the surface of your concrete can impede the effectiveness of the newly applied sealant preventing proper adhesion to the concrete surface.
The sooner the better as time will be against you if you are trying to remove these stains.
This will reveal the concrete slab below.
A plain concrete slab isn t eye pleasing however so you may decide that you want to replace the concrete porch with a different material.
But if you pull up old tiles it may be something you will have to contend with.