Elastomeric Coatings

While a brick veneer can add warmth and beauty to a house, it is often desirable to paint bricks, particularly on older homes with considerable damage to the bricks and mortar. Paint can help hide these defects and provide a uniform finish.

An acrylic latex paint is an acceptable coating for bricks and other masonry; however, it is not always the best product to use. An elastomeric coating can provide greater durability. In addition, elastomerics have a greater ability to stretch, which allows them to bridge the small cracks which often develop in masonry surfaces.

In many ways elastomerics are similar to top-quality latex paints. Both contain acrylic resins and are water-based.

However, the film thickness of elastomerics is considerably greater, which contributes to its durability. Most manufacturers recommend a film thickness of 1 to 1.5 mils for latex paint, while recommending a film thickness of 4.5 to 5 mils for elastomerics.

The thicker recommended film results in substantially greater material usage- a gallon of latex paint will cover about 350 square feet while a gallon of elastomeric will cover about 125 square feet.

Achieving this film thickness also requires more labor, as the application of elastomerics is a slower process. Though the initial cost is higher, elastomerics are a cost effective coating for masonry surfaces.

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