How should rigid insulation and shingles be installed on a pitched roof?
Which of the following needs to be removed when installing spray foam roofing (SPF) over a built-up roof with aggregate?
If a flat rectangular roof measures 16’ x 31’, how many squares of roof covering are required?
Which organization sets safety standards for exposure of asbestos for roofing employees?
Where should piping or electrical conduit be installed?
Which of the following is most commonly used for underlayment in asphalt roofs?
Which of the following is LEAST likely to require the tear-off and replacement of an existing steep roof?
Insulation applied to steel roof decks before the roof membrane is installed should be applied__________.
Which of the following is best to use when estimating the coverage of two plies of felt roofing underlayment on a steep-slope roof?
At what height are workers required to wear fall protection according to the Federal OSHA Construction standard?