RI Roofing Contractor Practice Questions - Rhode Island Commercial Roofing Contractor Exam

What is the thermal bridging concern when installing rigid insulation on a steel deck with mechanical fasteners?

Fasteners conduct heat through the insulation, reducing effective R-value Fasteners cause the membrane to shrink in cold weather Fasteners attract lightning strikes Fasteners create noise during thermal cycling

Correct Answer:

Fasteners conduct heat through the insulation, reducing effective R-value

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