Spalling concrete is acommon problem where part of the surface peels, breaks or chips away. Also known as scaling, it is the result of a weak surface that is susceptible to damage. ... Spalled concrete may be caused by any of the following: Freeze-thaw cycles. ...
Outdoor concrete sealers are notonly worthwhilebut necessary. Experts who recommend having a concrete surface sealed are doing their customers a big favor. Without this extra layer of protection, concrete will absorb moisture and may begin to crack, spall, flake, and discolor, among other things....
Petticrew got hooked on conservation early, when he was part of a team investigating cracks in a newly completed concrete building. They quickly found the problem: it had been constructed with half the necessary amount of steel reinforcement. But what really intrigued him was how the building wa...