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Geometrically Defined Drainage Cavities in EIFS as a Guard Against Defects

July 10, 2012 — CDJ Staff

The blog Stucco & Insulation Contractor writes up some details on a “relatively new modification to modern Exterior Insulation Finish Systems,” known as “geometrically defined insulation boards.” They note that the insulation has grooves cut in the back to provide a route for water to drain, instead of getting trapped. They note that when EIFS is installed by a skilled applicator, this is unnecessary. However, with less experienced (and cheaper) installers, problems are more likely.

By cutting these channels, the application of EIFS is rendered “idiot proof,” as they note. Their preference would be that EIFS installers take the time to do the job right, but call this “a step in the right direction.”

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Geometrically Defined Drainage Cavities in EIFS as a Guard Against Defects