Moisture Control in Low-Slope Roofing:

This calculator performs the calculations described in Moisture Control in Low-Slope Roofing: A New Design Requirement. This calculator allows the roofing practitioner to determine if a roofing system design requires a vapor retarder or if the system can be modified to enhance its tolerance for small leaks. To use the calculator, simply supply the following information and click on the “Check Roof” button at the bottom of the form.

http://www.ornl.gov/sci/roofs+walls/calculators/wetroof/index.html



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