Tech Today

Concrete deck dryness

Alternative approaches are needed to determine when concrete decks are dry

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In September 2011, at the International Roofing Symposium 2011: Emerging Technologies and Roof System Performance held in Washington, D.C., Rene Dupuis, president of Structural Research Inc., Middleton, Wis., and I presented a paper about research we have been conducting regarding the dryness of newly poured structural concrete roof decks and alternative approaches for evaluating concrete decks' readiness for roofing materials.

Our research may help you if you are involved in new construction roofing projects with concrete roof decks or an existing roofing project with a concrete roof deck where moisture accumulation within the roof system is problematic.

Historical methods

Most roofing professionals have relied on historical, nonscientific methods to determine the dryness levels of...

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Comments (1)

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Posted by scottbaxter on 2/2/2012, User rating
This is something that is critical for the roofing industry to adopt and for architects, designers and general contractors to fully understand. The ramifications of moisture-laden structural lightweight concrete decks, especially, with adhered single ply membranes include catastrophic failure of the roof system.