Using Moter Mix For Crumbling Concret Walls

You want to make sure your new coat of concrete has a strong steady hold to the old surface.

Using moter mix for crumbling concret walls.

Adding mortar makes your wall stable and takes the worry away. Modern epoxies are available that also make great repairs. 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.

You can use a sponge a brush or an old spray bottle. 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. Always use the cement paint to bond your new concrete to your old. Stone walls also look better with age.

Once the steel bars are exposed brush away every concrete attached to them using a wire brush. Type o mortar mix. Just before brushing on the cement paint to the old concrete this master craftsman said to get the old concrete damp. Type o mortar mix has relatively low compressive strength at only about 350 psi.

It is a professional grade blend of portland cement sand and gravel that is formulated for superior durability. Continue chipping of the loose concrete until the steel bars using in reinforcing the concrete walls are exposed. Also take a look at the ends of the steel bars disappearing into the walls and see if the rust runs in as well. To repair small cracks or holes in cinder block walls you can use concrete.

You want it damp. 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. Apply small amounts of water over a short period until it has absorbed water deep into the wall. A stone wall can give your garden timeless appeal.

The ratio should be three parts stone two parts sand and 1 5 parts portland cement for a strong mix. 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. They can be stacked without mortar but this requires stacking them just so. Using either a screwdriver or hammer or a combination of both chip off any loose concrete paint or old filler.

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. Now you should apply water to the wall where you will be applying the mortar. It is used primarily interior above grade non load bearing walls.