Blocks used for residential and commercial construction employ a wide variety of green building materials in their composition. The most popular and commonly used is the standard hollow concrete block, but there are many variations in shape, weight, and composition. Sand, cement, gravel, and water are the most commonly used elements in blocks, but there…
Tag Archives: foam
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Mar
Spray foam insulation can help save up to 50% in energy costs, protect a building from moisture intrusion, and provide sound insulation. In addition, it provides two to three times more insulation that traditional fiberglass. However, according to Environmental Working Group, most common spray polyurethane foam insulation contains methylene diphenyl diisocyanate, or MDI, a synthetic chemical…