ROOFING EXAM QUESTIONS AND
ANSWERS ALL CORRECT
What type of roof to wall flashing is needed when the "rake" is parallel to a wall?
a. Cap and ridge
b. Step and counter
c. Valley and gravel stop
d. Counter and cap - Answer- b. Step and counter
Where shingles meet the side of a dormer, what could be a problem?
a. Rodent damage
b. Fungus damage
c. Shingle erosion
d. Water leak - Answer- d. Water leak
Which roofing material imitates clay? - Answer- Concrete
Patches on roofs almost always indicate:
a. good maintenance
b. prior leakage
c. poor installation
d. multiple layers of roofs
e. previous bad storms - Answer- b. prior leakage
An opening in a roof system may be framed with a single header and single trimmed
joists provided the header joist is located a maximum of ___ feet from the trimmed joist
bearing. - Answer- 3 feet
Where 15/32 inch wood structural panels having a span rating of 32/16 are used as roof
sheathing, what is the maximum span without edge support? - Answer- 28 inches
In the attachment of asphalt shingles, special methods of fastening are required where
the minimum roof slope of ___ units vertical in ____units horizontal is exceeded. -
Answer- 20 units vertical
12 units horizontal
, Where No. 2 wood shingles of naturally durable wood are installed on a roof having a
5:12 pitch, the maximum weather exposure for 16 inch shingles shall be ___ inches. -
Answer- 4 inches
For preservative taper sawed shakes installed on a roof, the spacing between the wood
shakes shall be a minimum of ____ inch and a maximum of ___ inch. - Answer- 1/4 inch
minimum
3/8 inch maximum
For1a wood shake roof system, sheet metal roof valley flashing shall extend a minimum
of ___ inches from the center line of the valley in each direction. - Answer- 11 inches
Overflow scuppers utilized for secondary roof drainage shall have a minimum size ___
times the size of the roof drain. - Answer- 3 times
Low roof slope is a possible problem with all these materials EXCEPT:
a. asphalt shingles
b. wood shingles
c. wood shakes
d. roll roofing - Answer- d. roll roofing
The most vulnerable areas on roofs are:
a. asphalt shingle "cut outs" or slots
b. flashing details
c. gable ends
d. eaves - Answer- b. flashing details
Ridge flashing can also act as:
a. venting systems
b. rain gutters
c. lightning protection systems
d. structural braces - Answer- a. venting systems
Ceiling joists are:
a. similar to rafters but found on low-slope roofs
b. horizontal members used with rafters and sometimes roof joists
c. 2x4's, 2x6's, 2x8's or 2x10's and are used to support the sheathing
d. structural members that support the "dead" load of the roof sheathing and the roofing
material and the "live" loads above. - Answer- b. horizontal members used with rafters
and sometimes roof joists
A common problem with skylights in cold climates is:
ANSWERS ALL CORRECT
What type of roof to wall flashing is needed when the "rake" is parallel to a wall?
a. Cap and ridge
b. Step and counter
c. Valley and gravel stop
d. Counter and cap - Answer- b. Step and counter
Where shingles meet the side of a dormer, what could be a problem?
a. Rodent damage
b. Fungus damage
c. Shingle erosion
d. Water leak - Answer- d. Water leak
Which roofing material imitates clay? - Answer- Concrete
Patches on roofs almost always indicate:
a. good maintenance
b. prior leakage
c. poor installation
d. multiple layers of roofs
e. previous bad storms - Answer- b. prior leakage
An opening in a roof system may be framed with a single header and single trimmed
joists provided the header joist is located a maximum of ___ feet from the trimmed joist
bearing. - Answer- 3 feet
Where 15/32 inch wood structural panels having a span rating of 32/16 are used as roof
sheathing, what is the maximum span without edge support? - Answer- 28 inches
In the attachment of asphalt shingles, special methods of fastening are required where
the minimum roof slope of ___ units vertical in ____units horizontal is exceeded. -
Answer- 20 units vertical
12 units horizontal
, Where No. 2 wood shingles of naturally durable wood are installed on a roof having a
5:12 pitch, the maximum weather exposure for 16 inch shingles shall be ___ inches. -
Answer- 4 inches
For preservative taper sawed shakes installed on a roof, the spacing between the wood
shakes shall be a minimum of ____ inch and a maximum of ___ inch. - Answer- 1/4 inch
minimum
3/8 inch maximum
For1a wood shake roof system, sheet metal roof valley flashing shall extend a minimum
of ___ inches from the center line of the valley in each direction. - Answer- 11 inches
Overflow scuppers utilized for secondary roof drainage shall have a minimum size ___
times the size of the roof drain. - Answer- 3 times
Low roof slope is a possible problem with all these materials EXCEPT:
a. asphalt shingles
b. wood shingles
c. wood shakes
d. roll roofing - Answer- d. roll roofing
The most vulnerable areas on roofs are:
a. asphalt shingle "cut outs" or slots
b. flashing details
c. gable ends
d. eaves - Answer- b. flashing details
Ridge flashing can also act as:
a. venting systems
b. rain gutters
c. lightning protection systems
d. structural braces - Answer- a. venting systems
Ceiling joists are:
a. similar to rafters but found on low-slope roofs
b. horizontal members used with rafters and sometimes roof joists
c. 2x4's, 2x6's, 2x8's or 2x10's and are used to support the sheathing
d. structural members that support the "dead" load of the roof sheathing and the roofing
material and the "live" loads above. - Answer- b. horizontal members used with rafters
and sometimes roof joists
A common problem with skylights in cold climates is:
