How do you finish a cinder block retaining wall?

How do you finish a cinder block retaining wall?

The simplest way to cover a cinder block wall is by using surface bonding cement to create a concrete finish. Concrete helps insulate the building and keep moisture out. It creates a smooth, finished surface you can leave as is or paint.

What can I use to cover cinder block walls?

Mounting Putty. Mounting putty is a sticky, clay-like material that comes in sticks or cubes. It’s rolled into balls by hand and used as a substitute for pushpins or tacks. Mounting putty is especially good for cinder block walls because it is thick enough to fill in cinder block’s bumpy surface.

Can you skim coat cinder block?

Skim coating can freshen up old concrete blocks and give your home or a wall on your property a new look. The process involves applying a layer of cement over the concrete block wall to cover grout lines or stains and give the surface a smooth appearance. Start at the top of the wall, near a corner.

How tall can a cinder block retaining wall be?

Most retaining walls, whether load-bearing or not, average between 3 and 4 feet in height. As a general rule, you do not want to build any sort of structure over 4 feet in height without including some type of structural support within.

How do you make a concrete block wall look good?

Surface bonding cement, used to build dry-stack block walls in place of mortar, can be used to create a smooth surface on concrete block. It’s a waterproof, flexible Portland cement reinforced with fiberglass. One of the benefits is that you can add color to the cement, eliminating the need to paint over it.

How do you cover a cinder block wall with concrete?

A well-prepared block wall doesn’t require surface bonding cement. A first scratch coat followed by a second coat of stucco can be applied directly to the wall. If the block is smooth or has soil that can’t be removed, use a surface bonding cement followed by the scratch coat.

Does a 2 foot retaining wall need drainage?

These walls need a drainage system regardless of the wall height. If there are poor draining soils such as clay behind the wall, there needs to be drainage incorporated the wall system. Clay when wet is very weak, so it is essential to provide a way for water to escape from behind the wall.

How much weight can a retaining wall hold?

Even small retaining walls have to contain enormous loads. A 4-foot-high, 15-foot-long wall could be holding back as much as 20 tons of saturated soil.

Do I need a scratch coat on cinder block?

Usually you won’t need to apply a scratch coat to a cinder block or cmu wall but in some instances like installing stone veneer, you will need a good base for the material to stick and a scratch coat is perfect.

Can you use joint compound on cinder block walls?

If it is dry you could use joint compound. If the paint is pealing it would need to be scraped first. I like using mortar on block walls because it holds up to moisture better than joint compound but have not used on painted block.

How do you make a cinder block wall?

Place the cinder block on the mortar, level with the corner of the wall. Continue placing cinder blocks with mortar on one end, and fit it snugly to the previous blocks. Gently hit the cinder block with a hammer so it sits down into the ​mortar mix.

How can I cover a cinder block wall?

The simplest way to cover a cinder block wall is by using surface bonding cement to create a concrete finish. Concrete helps insulate the building and keep moisture out. It creates a smooth, finished surface you can leave as is or paint.

How to build block retaining wall?

Using a shovel,mark the ground where the retaining wall will be built. Drive long wooden stakes into the ground at each end.

  • Excavate the entire area to a depth of 8”. Spread approximately 4” of gravel evenly in the trench and rake the gravel smooth.
  • Staring at one end,place the first course of concrete blocks top side up on the crushed rock with the front lip facing up and towards the front
  • Install corrugated drainage pipe behind the first course of blocks and run the pipe to where the water can exit the area.
  • Sweep away all debris from the top of the first course of block with a broom.
  • Top the final course with capstone blocks,securing them in place using concrete adhesive and a caulking gun.