Concrete Restoration and Insulation
Concrete plays a huge role in the look, structure and sustainability of commercial and residential buildings, such that when concrete is damaged, its ability to support the building is weakened, as well as the insulation properties of the building.
The process of concrete restoration in residential and commercial buildings is applied to realize its main objective, which is to repair old and damaged concrete in buildings and to restore the building’s appearance to its original form.
The reduced cost that is incurred in concrete restoration is its biggest advantage, such that building owners would prefer to choose this process because it not only repairs the cracks that were structural problems, but that the process also gives the appearance of a brand new concrete on the once damaged building.
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The first and important step for repairing a damaged concrete structure is to identify the causes responsible for the damage, because if the cause is not determined, then the same damage can be repeated even if the repair work has been done. The concrete restoration process must be flexible to include the effect of the cause of concrete defects, if the cause of the damage is repetitive in nature.
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In knowing the extent of the damage to the concrete, decision can be easily reached on whether the damage can be repaired or the structural parts have to be replaced, as well as it helps to take precautionary measures to stop the damage in the future.
Determining the extent of damage is done by sounding the damaged and surrounding undamaged concrete with a hammer by an experienced personnel, such that in sounding suspected delaminated or disbanded concrete, they may not always sound hollow, so it’s important to place a hand close to the location of the hammer blows or by closely observing sand particles on the surface close to the hammer blows; and if the hand feels vibration in the concrete or the sand particles are seen to bounce even with a slight hammer blow, then the concrete is delaminated.
The process of concrete restoration should be carried out immediately on the concrete if the damage affects the safety and serviceability of the structure or if the damage has reached a stage where the structure becomes unserviceable, since not all damaged concrete requires immediate repair and most concrete damage progresses slowly.
Well-insulated building is warm during the winter and cool during the summer, this is because the insulating material prevents the flow of air in the building to escape through the walls or ceiling. Concrete restoration is applied to repair the cracks in the concrete if the building has damaged concrete, to prevent the passage of air in and out of the building walls.
If concrete restoration may not be possible, using spray polyurethane foam as an alternative insulation material can help seal the air on walls, roofs, and all contoured surfaces, and reduces unwanted air infiltration through cracks, seams, and joints, as well as resist heat transfer extremely well.