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What are some of the basic differences between expansion and control joints and how are they used in Senergy® Stucco Wall Systems?

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What are some of the basic differences between expansion and control joints and how are they used in Senergy® Stucco Wall Systems?

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Expansion joints are used at areas such as building expansion joints, prefabricated panel joints, substrate changes, plane changes, and other areas where structural movement is anticipated. Expansion joints are typically fabricated using sealant joints or in some case metal/prefabricated accessories. Control joints are typically located every 144 s.f. of wall surface area, at maximum uncontrolled lengths of 6.5 lineal meters (18 lineal feet) and maximum uncontrolled length to width ratios of 2 1/2: 1. Control joints are typically fabricated from metal or plastic trim accessories and are available through numerous manufacturers. Their primary purpose is to control cracking which can occur during curing of Portland Cement Plaster.

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