A Review of Concrete Repair Techniques

Concrete Repair Techniques

Concrete slabs and the foundations may over time become damaged because of poorly prepared under-surface together with water penetration. If the soil of subsurface of a concrete is not well compacted, this soil can move causing minor and major cracks and sometimes even the foundation may move. Repairs to such faults can simply be done by the owner but some need a professional contractor to fix.

Small Cracks

Concrete repairs of minor cracks can be done by the home owner. Such a crack has to be chiseled out. This crack has to be kept wet for 24-hours. After this, slurry of concrete mist is wiped on walls of this crack and heavier paste-like mist then poured into the cavity. This repair has to be kept moist and well covered for a 5 to 7 day time period. This allows your concrete to slowly cure.

Patio areas and pool decks can then be finished with an attractive stamped concrete design. This is often the best solution to achieve the desired appeal of the home.

repairLarge Cracks & Uneven Slabs

This form of fault is in most cases related to the under-surface of slab settling or even washing away. Basically, the slab is removed, new bed of the gravel is laid & fresh slab is then poured.

A technique known as slab jacking is used to repair the uneven slabs. Holes are cut into your slab in the parts that have to be raised. Such cores have to be carefully removed for later use. After this, some wet mix of thick concrete is then pumped under your slab via the holes. As your pressurized concrete occupies the space, the slab is actually raised (jacked) into place.

Plugs that were originally removed are then replaced into these holes using a good concrete adhesive. The linear cracks in this slab are also repaired in the same way. The repaired cracks can even be walked on just after the repair, while the heavier duty traffic needs to be withheld until the concrete is cured. Typically, this repair takes between 3 and 7 days to cure.

Foundation Repairs

Foundations may experience drastic’ settling or sometimes water washout. Such foundations need to be repaired by installing some metal ground jacks. First, deep holes have to be drilled into the surface. The holes can have a depth that ranges from 10 feet – 50 feet. Metal pipes are placed into these holes. Plates made using angle- iron are secured to this foundation.

Some powerful hydraulic jacks are used to raise this foundation to correct level. Pipes have cut to certain length and then welded into the right place on this angle iron. After this, proper drainage trenches are installed alongside foundation walls to eliminate any settling water. The form of repair can sometimes be costly, but it’s actually cheaper compared to jacking the entire house up and then replacing the whole foundation.

Concrete Resurfacing

This is a process designed to repair concrete to give it a better new top layer while still leaving the foundation layer intact. This method does not repair some concrete flaws like cracks. However, concrete resurfacing can give a new concrete slab a new life or even make it a more artistic and integral part of home design.

When preparing for this process, ensure your concrete is totally clean. Start by cleaning all the soils, dirt, grease, sealers and paint. This is because; the new layers of concrete cannot bond to such surface materials. If your surface layer is damaged, you can strip off the top layer of concrete instead.

Once the concrete is clean, prepare a cement mixture to use for the resurfacing layer if you wish to restore this concrete to its original condition. Start by applying a layer of cement paste to your stripped layer; this helps the new layer bond more with the old foundation. Keep the mixture smooth, the more smooth it is, the better. After this, mix 3 parts sand with 1 part cement. Add enough water to make this mixture thick.

overlay (1)Alternative types of concrete resurfacing can create beautiful designs of your concrete. Stamped concrete and decorate color is quite common. The process is performed through acids or pigments. Acid etching is a process where the top layer is stained and then sealed to keep the stained color from leeching out. The process can be performed on old concrete layers but actually works best on a fresh layer. Pigments are mixed with the concrete to alter the color throughout the new layer.

Those in the Dallas Fort Worth area can rely on Concrete Solutions for expert installations of decorative stamped concrete, concrete repair and new concrete construction.

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