NFRC

Term Term Definition Options Unit of Measure
Curtain wall An external non-load bearing wall that consists of any combination of framing materials, fixed glazing, opaque glazing, operable windows, or other in-fill materials. View N/A
Tubular skylight A non-operable device primarily designed to transmit daylight from a roof surface to an interior ceiling surface via a tubular conduit. View N/A
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