Tag archive for ‘masonry’
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How to Make Concrete & Concrete Blocks
1/20/09The recipe for making concrete is very simple. The ingredients are Portland cement, sand, gravel and water. Sand and gravel are referred to as aggregates. Sometimes other aggregates such as crushed stone or cinders are used. When Portland cement is mixed with water a chemical reaction takes place which makes the cement harden. In doing [...]
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Could Your Home Withstand a Fire?
8/14/08In December 2004, a fire destroyed three townhouses and damaged a fourth in Lorton, Va., just south of the nation’s capital. Investigators later determined that faulty wiring had sparked the blaze.
