Spray Foaming Sweating Ducts - Reston, VA

Friday, March 23rd, 2018 by John LeVan

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Challenge

Vertical Metal Ductwork was sweating in humid summer air

Solution

We removed drywall to expose the duct, and then Spray Foamed the ductwork in order to "Increase the Surface Temperature" to be above the Dew Point. Drywall was then restored.

Project Summary

consultant: John LeVan

Exposing the Duct

Spray Foam on the Duct increases the Duct Temperature above the Dew Point

Encapsulated Ductwork

Gotta get the hard to get to spots

Drywall Patched

About the author

John LeVan

Partner

John LeVan is a Mechanical Engineer trained at Columbia University School of Engineering and Applied Science. John also has an advance degree in Operations Management from Cornell University.

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