Roofing

Question 1

Widest board recommended for solid roof sheathing

Answer 1

6”

Question 2

Spacing of wood shingles when installed on non-continuous sheathing

Answer 2

1x4” nominal dimension and spaced on center equal to weather exposure

Question 3

At an eave end, drip edge is installed

Answer 3

Under the felt

Question 4

Process of water backing up under shingles and leaking into ceilings as a result of freeze/thaw cycles of snow

Answer 4

Ice dams

Question 5

NOT a method used for ice protection of asphalt and fiber glass roofing

Answer 5

1 layer of 90 lbs of hot mopped mineral based membrane

Question 6

Approximate pounds of nails required per square of asphalt shingles

Answer 6

2.5

Question 7

Recommended procedure for installing roll roofing

Answer 7

When temperature is above 45 degrees otherwise, otherwise cut shorter lengths and roll out under the sun

Question 8

Bundles per square for Blue label cedar shingles

Answer 8

4

Question 9

Type of flashing used for open valleys on a slate roof

Answer 9

15” copper
or
.0179 zinc coated

Question 10

The weight if a coated vapor retarder for a built-up roof is usually about ___ to ___ pounds per square

Answer 10

45 to 80

Question 11

Pounds of asphalt bitumen required per square between felts with an application tolerance of plus or minus 15 percent is

Answer 11

25

Question 12

The most common type of asphalt _____

Answer 12

Type III

Question 13

Max temperature to which you can heat type III Asphalt

Answer 13

475* F

Question 14

Flash point of asphalt roofs

Answer 14

437 - 500* F

Question 15

In built up roofs cant strips shall extend at least ____ inches up the vertical surface

Answer 15

5

Question 16

To identify a roof leak, begin looking for ____

Answer 16

Shingles that are worn, curled or damaged

Question 17

Typically the cause of leaks around flashing ____

Answer 17

Improper shingling around flashing

Question 18

Correct way to repair an asphalt shingle

Answer 18

Caulk an area with tar and sprinkle the granular tops of other shingles on to it

Question 19

Area most leaks occur with wood shingles

Answer 19

When joints or splits line up in three adjacent courses

Question 20

Warm weather is the best time to repair asphalt shingles because

Answer 20

Asphalt shingles become pliable as they are warmed

Question 21

Procedure to replace a broken slate

Answer 21

Insert the new slate underneath the two overlying courses

Question 22

A wood shake or shingle roof is considered beyond repair when

Answer 22

The repair costs exceed 80% of the replacement costs

Question 23

Most common venting methods for a hip roof

Answer 23

Eave and ridge vents