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Building Science FAQ — Ep. 5

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What is the difference between a metal roof and a metal deck?

Welcome to Episode 5 of The Building Science FAQ series.

The Building Science FAQ video series explores some of the technical questions that crop up when specifying a low-slope roof. In this episode, James R. Kirby, AIA, GAF Building and Roofing Science Architect and James Willits, GAF Building and Roofing Science Specialist, discuss the structural and end-use differences between metal decks and metal panels. They also visit Senior Research Associate Erica Sherman in the R&D lab to examine the fundamental differences in deck and panel strength, thickness, and geometry.


Episode 1: How Strong is a Thermoplastic Weld? 

Episode 2: How Chemical Resistant are TPO and PVC?

Episode 3: What is a roof coating?

Episode 4: Air Barrier vs. Vapor Retarder

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