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What is shingle ridging? Does shingle ridging occur in SIP buildings?

April 26, 2017buildings occur ridging shingle SIP

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What is shingle ridging? Does shingle ridging occur in SIP buildings?

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10 Posted

Shingle ridging is the bulging of asphalt roofing material, such as shingles, above the joints of engineered wood panels used in roof applications. It is caused by moisture changes in the underlying sheathing and can occur in traditionally framed roof assemblies as well as SIP roof assemblies. Ridging does not affect the performance of the SIP roof and is strictly aesthetic. To eliminate the possibility of shingle ridging, an additional layer of OSB can be installed in a staggered pattern over the SIPs joints; a cold roof can be installed; or other-than asphalt materials can be used.