Roofing Questions and Answers in Quiz Form 17 for Practice

241. Aluminum coating on a roof reduces the heat load by percent, compared todark-surfaced roofing.

1. 35
2. 40
3. 45
4. 50

242. Any time the width of a chimney exceeds feet a metal saddle flashing should be installed.

1. 2
2. 3
3. 4
4. 6

243. Application of shingles in a closed-cut valley requires shingles extend at least how many inches beyond the valley centerline?

1. 12
2. 10
3. 8
4. 6

244. Application of step flashing against a vertical side requires underlayment to be carried up onto the sidewall at least

1. 2 to 3 inches
2. 3 to 4 inches
3. 4 to 6 inches
4. 6 to 8 inches

245. Areas of loose membrane should be cut, heated and bonded to the substrate. An additional piece of the same material shall be installed beyond the area to be repaired extending a minimum of how many inches over the cut in all directions?

1. 6
2. 7
3. 8
4. 4

246. As a general rule, most gutters are usually any of the following inches wide except

1. 2
2. 4
3. 5
4. 6

247. At least a gauge metal should be used for gutters and downspouts.

1. 26
2. 28
3. 24
4. 30

248. Ballast normally adds pounds per square foot of dead load.

1. 5
2. 10
3. 15
4. 25

249. Ballasted EPDM systems are limited to a height of

1. 32 feet
2. 48 feet
3. 60 feet
4. 80 feet

250. Battens are required on roof slopes of

1. 6 in 12 and less
2. 8 in 12 and greater
3. 10 in 12
4. 7 in 12 and greater

251. Before applying roofing over prestressed concrete decks many manufacturers recommend the installation of

1. 2,500 psi concrete fill
2. 1/2 inch thick protection board
3. 3 inches of 2,500 psi concrete
4. 2 inches of 2,500 psi concrete

252. Before re-roofing, all large cracks, knotholes, loose knots and resinous areas in the deck should be?

1. Covered with sheet metal patches nailed to the deck
2. Filled and sealed
3. Cleaned out and sealed
4. Addressed

253. Billy Ray is installing 24 inch tapersplit shakes. Billy Ray should use

1. Stainless steel 5d box nails 1 3/4 inches long
2. Blue 5d box nails 1 3/4 inches long
3. Steel wire 5d common nails 1 3/4 inches long
4. Bright 5d box nails 1 3/4 inches long

254. Cap flashing should extend into the mortar joint a minimum of how many inches?

1. 1
2. 1.5
3. 2
4. 2.5

255. Closed-cut valley work requires the end shingle

1. Be dubbed
2. Be laced
3. Extend beyond the valley centerline 12 inches
4. Be woven