The number of plies required for 20 feet of head is
1
2
3
4
277 practice sets · Page 9 of 14
The number of plies required for 20 feet of head is
1
2
3
4
The number of bundles per square for straight-split red cedar shakes measuring 18 inches by 3/8 inches is
4
5
19
16
The number of bundles of shakes required per square with 1/2 inch spacing, 11 V2 inch exposure use number one straight split true edge shakes is
4.35
4.94
3.7
4.24
The most widely used type of asphalt shingle is the
Strip
3-tab
Architectural
Fiberglass
The most widely used type of asphalt shingle is
Two tab strip
Three tab strip
Individual American
Two tab hexagonal
The most common pitch for corrugation is
3
4
5
6
The minimum tons of mission tile to cover 2,000 square feet of roofing area is
Less than 10
Between 10 and 14
Between 14 and 18
More than 18
The minimum softening point for Type IV asphalt is
205 degrees
225 degrees
275 degrees
215 degrees
The minimum parapet flashing where the deck is supported by the wall is
4 inches
6 inches
8 inches
12 inches
The minimum elevation of the expansion joint above the finished roof is
.33 inches
.33 feet
6 inches
8 inches
The maximum wind velocity is not greater than 100 mph. The roof height is 30 feet to the ridge. The eaves course which of the following?
Nail and clip
Nail only
Clip only
2 12d nails
The maximum width of plastic-bitumen composites is
3 feet
3 feet 7 inches
4 feet
33 feet
The maximum width of EPDM flashings is
1/2 foot
2 feet
3 feet
4 feet
The maximum slope of a BUR depends on
The interply, surface bitumen and the roofing surface
The slope, type of bitumen and the temperature
The temperature, type of bitumen, local codes and common roofing practices
The type of bitumen, roofing surface and insulation
The maximum recommended exposure for a 4 in 12 roof using 16 inch Number 1 Blue Label wood shingles is how many inches?
3
5
4
6
The maximum length of roof battens without shimming is how many feet?
2
4
6
8
The masonry trowel recommended for tile installation is
12 inches
10 inches
8 inches6 inches
The linear expansion for mild steel per 100 degrees is
0.00128
6.0E-5
0.00173
0.00065
The least common aggregate for the surfacing of built-up roofs is
Slag
Limerock
Crushed rock
Gravel
The lack of expansion joints will cause roofing felt to
Split
Blister
Bubble
Slip