If the concrete blocks on the outside of your house or a garden wall are looking a little worse for wear, you can resurface the wall to give it a more finished and fresh look. Concrete wall repair and resurfacing is done in basically the same way as any other concrete repair or resurfacing except you need a trowel.
Pargeting is the traditional way of covering up concrete blocks. This material is made of lime, sand and water, and is essentially the same product as what is put between the blocks when the wall is built. Parget is spread over the surface of the wall with a trowel and smoothed out to create an even surface that hides the joints between the blocks.
Such walls have been subject to much abuse and become disfigured with hairline cracks, holes and chipping. Resurfacing concrete walls can rejuvenate old brittle walls while sustaining the durability of the structure and safeguarding against further damage from any leaks or deterioration.
This repair really should be done on the outside. If the existing hole is dirty, it would be best to chip the hole larger until you have fresh concrete around the interior of the hole. It can and should be jagged, Install a form board of some type on the inside face - nail it, screw it, or push on it with a board so that it cannot fall or bulge.
Also, water pressure builds up in the soil behind the wall, forcing water through the concrete block that eventually eats it away. Repair holes in block walls as soon as they develop.
QUIKWALL? Surface Bonding Cement adds strength, durability, and water resistance to walls made of concrete, cinder block, brick, terra cotta tile and stone. It is an ideal material for restoring and/or beautifying buildings, walls and chimneys.
We have a product called ProGaurd. It is a concrete faced insulated sheathing product. You simply screw this to the block wall, tape and seal the joints. This material will increase the insulation value of the wall and replace the scratch/lath coats. You are ready for the finish coat or thin brick/stone application.
A thin cement layer may add decorative appeal to cinder block walls. (Image: Polka Dot Images/Polka Dot/Getty Images) You can strengthen, insulate, waterproof and beautify porous walls built of cinder blocks by adding a thin coating of surface bonding or resurfacing cement.
Throughout the block stacking phase and at the completion, check that the wall has remained level. Before applying the Surface Bonding Cement, dampen the surface of the block. This will aid in the adhesion of the material to the block and will also eliminate the otherwise dry block from pulling the moisture out of your Surface Bonding Cement mix.
For aesthetic reasons we decided to cap the blocks to give it a smooth finished edge. The easiest/fastest/cheapest solution to repairing the cinder block was using poured concrete and then painting the entire wall to mask the patch.
A concrete block wall, whether outdoors or otherwise, can suffer damage due to weather, flooding, or accident. Readily available materials can fix some cracking in a block wall without having to tear it down and add new concrete.
Walls, normally thought of as interior design elements, are useful in landscaping, too. A landscaping wall can be freestanding to define an area, to provide a garden backdrop, or to create privacy.
How to Repair Cracks in Brick or Concrete Block - Cracks in brick or concrete block walls -- large or small -- can be repaired in just a few simple steps. Learn how with easy-to-follow instructions.
A cinder or concrete block wall is used in many homes as a structural foundation in basements, retaining walls, garages and walls in the main living section of a home. But even though block walls ...
LikeNu can be applied to wood, asphalt, stone, brick, stucco and cement and metal surfaces. You also can use it as a block filler for walls. Thickened LikeNu can be used to fill spalling surfaces in concrete. LikeNu can also be used to level or color concrete surfaces prior to finishing with urethane.