It is a professional grade blend of portland cement sand and gravel that is formulated for superior durability.
Using moter mix for crumbling concret walls.
Apply small amounts of water over a short period until it has absorbed water deep into the wall.
Also take a look at the ends of the steel bars disappearing into the walls and see if the rust runs in as well.
It is used primarily interior above grade non load bearing walls.
Using either a screwdriver or hammer or a combination of both chip off any loose concrete paint or old filler.
Type o mortar mix.
Continue chipping of the loose concrete until the steel bars using in reinforcing the concrete walls are exposed.
Type o can be used as an alternative to type n for some interior applications but its exterior use is limited due to its low structural capacity.
Get rid of any dust and debris with a wire brush.
Hose the wall down or scrub it with a washcloth then use a metal file to smooth out any rough edges.
Use sakrete 5000 plus high strength concrete mix for repair and building projects where concrete thickness is 2 inches or more and demands excellent strength.
Then mix your concrete with water mist the cracks with water.
Type o mortar mix has relatively low compressive strength at only about 350 psi.
They can be stacked without mortar but this requires stacking them just so.
Once the steel bars are exposed brush away every concrete attached to them using a wire brush.
First clean any parts of the wall that you plan to repair so the cement or mortar adheres securely.
You can use a sponge a brush or an old spray bottle.
The wall needs to be moist so that the old concrete won t leach moisture out of the mortar that you apply and cause the repair to fail.
Adding mortar makes your wall stable and takes the worry away.
Whether you re looking to build a wall for a raised garden or a small retaining wall a stacked stone wall can offer elegance without a lot of expense.
You want to make sure your new coat of concrete has a strong steady hold to the old surface.
Now you should apply water to the wall where you will be applying the mortar.
Modern epoxies are available that also make great repairs.
Always use the cement paint to bond your new concrete to your old.
Just before brushing on the cement paint to the old concrete this master craftsman said to get the old concrete damp.
The ratio should be three parts stone two parts sand and 1 5 parts portland cement for a strong mix.
Stone walls also look better with age.
To repair small cracks or holes in cinder block walls you can use concrete.