05/02/2024
Although hollow concrete blocks contain a void area that’s greater than 25% of the gross area, the solid area of the block should be more than 50%. In most cases, the hollow part is divided into several components.
R & S Construction offer general construction & contractors, custom concrete, decorative concrete & resurfacing and all of your concrete specialty needs.
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18605 Central Avenue
Upper Marlboro, MD
20716
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