The first layer on top of the plywood or OSB roof deck is underlayment. For this, we chose a self-healing ice-and-water membrane to protect the shallow-pitched roof deck. The tricky part in laying the ...

A cable, raceway, or box installed under metal-corrugated sheet roof decking shall be supported so the top of the cable, raceway, or box is not less than _____ from the lowest surface of the roof ...

Question: Raceways installed below metal roof decking must be installed at least 1-½ in. below the lowest point of the metal decking. Explanation: While it is true that Sec. 300.4 (E) requires ...

Building Teams have been using steel decks with proven success for 75 years. Building Design+Construction consulted with technical experts from the Steel Deck Institute and the deck manufacturing ...

Many renovated buildings replace wood and masonry structural elements with steel. The replacement of heavy wooden roof and floor joists with the lighter steel open-web bar-truss joists is a common ...