24 Hour Roof Systems Quiz Flashcards
1
Q
[RAFTERS] A roof system is subjected to a 50 pound per square foot (PSF) ground snow load & creates a dead load of 20 PSF. The ceiling is not attached to the rafters. Assuming that rafter ties are provided at the top plate line, what is the maximum span of 2X8 Hem-fir #1 rafters spaced at 24" on center? a. 9', 9" b. 10', 6" c. 11', 6" d. 11', 10"
A
a. 9’, 9”
2
Q
[RAFTERS] The maximum spacing of rafter ties shall be\_\_\_\_\_\_ a. 16" b. 4' c. 5' d. 8'
A
b. 4’
3
Q
[RAFTERS]
The span of each rafter shall be measured along the horizontal projection of the rafter (TRUE/FALSE)
A
TRUE
4
Q
[ROOF JOISTS] An opening in a roof system may be framed with a single header & single trimmed joists provided the header joist is located a maximum of \_\_\_\_\_\_ from the trimmed joist bearing. a. 3' b. 4' c. 6' d. 12'
A
b. 4’
5
Q
[ROOF JOISTS] Joists framing into the side of a wood girder shall bear on \_\_\_\_ wood ledger strips. a. 1X3 b. 2X2 c. 2X3 d. 2X4
A
b. 2X2
6
Q
[ROOF JOISTS] The ends of a ceiling joist shall have a minimum of \_\_\_\_\_ bearing on wood & a minimum of \_\_\_\_\_ on metal. a. 1 1/2", 1 1/2" b. 1 1/2", 3" c. 3", 1 1/2" d. 3", 3"
A
a. 1 1/2”, 1 1/2”
7
Q
[CEILING JOISTS] Where SPF #2 ceiling joists create an un-inhabitable attic without storage & are spaced 24" on center, what is the maximum allowable span when 2X6 members are used? a. 11' 2" b. 14' 5" c. 14' 9" d. 15' 11"
A
c. 14’ 9”
8
Q
[CEILING JOISTS] Ends of ceiling joists shall be lapped a minimum of \_\_\_\_\_ inches, unless butted & toe-nailed to the supporting member. a. 1 1/2" b. 3" c. 4" d. 6"
A
b. 3”
9
Q
[CEILING JOISTS] Notches in solid sawn lumber ceiling joists shall not be located in the middle \_\_\_\_\_\_ of the span & are limited in depth to \_\_\_\_\_\_ the depth of the joist. a. 1/4, 1/6 b. 1/4, 1/3 c. 1/3, 1/6 d. 1/3, 1/3
A
c. 1/3, 1/6
10
Q
[COLLAR TIES]
Collar ties shall be a minimum of 1X4 (nominal) spaced not more than 4’ on center. (TRUE/FALSE)
A
TRUE
11
Q
[COLLAR TIES]
Collar ties or ridge straps to resist wind uplift shall be connected in the upper third of the attic space. (TRUE/FALSE)
A
TRUE
12
Q
[COLLAR TIES]
Where they are required, they should be installed on every other rafter where rafters are on 24” centers. (TRUE/FALSE)
A
TRUE
13
Q
[KNEE WALLS]
What can cause sagging of the top plate on a knee wall?
a. The top plate of a knee wall may sag if it is a single plate & if the studs are not lined up with the rafters above.
b. The top plate of a knee wall may sag if it is a double plate & if the studs are not lined up with the rafters above.
c. The top plate of a knee wall may sag if it is a single plate & if the studs are lined up with the rafters above.
d. The top plate of a knee wall may sag if it is a single plate & if the studs are not lined up with the ridge above.
A
a. The top plate of a knee wall may sag if it is a single plate & if the studs are not lined up with the rafters above.
14
Q
[KNEE WALLS]
Knee walls are also called dwarf walls, struts or strongbacks. (TRUE/FALSE)
A
TRUE
15
Q
[KNEE WALLS]
What is the difference between a knee wall & a purlin?
a. Knee walls & purlins both provide top support for rafters. Knee walls provide their support by transferring the loads down to ceiling joists & walls or beams below. Purlins act as beams running along the underside of the rafters.
b. Knee walls & purlins both provide midpoint support for rafters. Knee walls provide their support by transferring the loads up to ceiling joists & walls or beams below. Purlins act as beams running along the underside of the rafters.
c. Knee walls & purlins both provide bottom support for rafters. Knee walls provide their support by transferring the loads down to ceiling joists & walls or beams below. Purlins act as beams running along the underside of the rafters.
d. Knee walls & purlins both provide midpoint support for rafters. Knee walls provide their support by transferring the loads down to ceiling joists & walls or beams below. Purlins act as beams running along the underside of the rafters.
A
d. Knee walls & purlins both provide midpoint support for rafters. Knee walls provide their support by transferring the loads down to ceiling joists & walls or beams below. Purlins act as beams running along the underside of the rafters.
16
Q
[PURLINS] Purlins shall be supported by braces having a maximum un-braced length of \_\_\_\_\_\_ and spaced at a maximum of \_\_\_\_\_ on center. a. 8', 4' b. 8', 6' c. 12', 4' d. 12', 6'
A
a. 8’, 4’
17
Q
[PURLINS]
Purlins shall be sized no less than the required size of the rafters that they support. (TRUE/FALSE)
A
TRUE
18
Q
[PURLINS]
Purlins shall be continuous & shall be supported by 2X4 braces installed to bearing walls at a slope no less than 90° from the horizontal. (TRUE/FALSE)
A
FALSE (45°)
[IRC R802.5.1]
19
Q
[TRUSSES] Which of the following is NOT an advantage of a truss system? a. Uniformity of construction b. Less expensive to build c. Can be used for wide spans d. A lot of attic storage space
A
d. A lot of attic storage space
20
Q
[TRUSSES] During an inspection, the inspector notices that the bottom of a truss is separating from the top of the center wall, which supports the truss. What is the cause? a. Cupping b. Doming c. Horizontal twisting d. Horizontal shearing
A
a. Cupping
21
Q
[TRUSSES]
Truss members shall not be cut, notched, drilled, spliced or otherwise altered in any way without the approval of a registered design professional. (TRUE/FALSE)
A
TRUE
22
Q
[WOOD “I” JOIST]
Structural capacities & design provisions for prefabricated wood I-joists shall be established & monitored in accordance with ASTM-D-5055 (TRUE/FALSE)
A
TRUE
23
Q
[WOOD “I” JOIST]
Cuts, notches & holes bored in I-joists are prohibited except where permitted by the manufacturer’s recommendations or where the effects of such alterations are specifically considered in the design of the member by a registered design professional. (TRUE/FALSE)
A
TRUE
24
Q
[WOOD “I” JOIST]
How does a ledger board support joists?
a. The ledger board is fastened to the beam near the top & the joist rests on the top of the ledger board.
b. The ledger board is fastened to the beam near the bottom & the joist rests on the bottom of the ledger board.
c. The ledger board is fastened to the beam near the bottom & the beam rests on the top of the ledger board.
d. The ledger board is fastened to the beam near the bottom & the joist rests on the top of the ledger board.
A
d. The ledger board is fastened to the beam near the bottom & the joist rests on the top of the ledger board.
25
```
[ROOF SHEATHING]
Where 15/32" wood structural panels having a span rating of 32/16 are used as roof sheathing, what is the maximum span without edge support?
a. 16"
b. 24"
c. 28"
d. 32"
```
c. 28"
26
[ROOF SHEATHING]
Roof decking could be a minimum ______ if rafters are 16" on center:
a. 3/8" plywood if we assume the rafters are spaced 16" on center.
b. 1/4" plywood if we assume the rafters are spaced 16" on center.
c. 1/2" plywood if we assume the rafters are spaced 16" on center.
d. 5/8" plywood if we assume the rafters are spaced 16" on center.
a. 3/8" plywood if we assume the rafters are spaced 16" on center.
27
[ROOF SHEATHING]
| Spaced lumber sheathing is allowed in Seismic Design Category-D2 (TRUE/FALSE)
FALSE
[IRC R803.1]
(Spaced lumber sheathing is NOT allowed in Seismic Design Category-D2.)
28
[STEEL FRAMING]
Elements shall be straight & free of any defects that would significantly affect their structural performance. (TRUE/FALSE)
TRUE
29
[STEEL FRAMING]
Load-bearing, cold-formed steel framing members shall be cold-formed to shape from structural quality sheet steel complying with the requirements of one of the following:
a. ASTM-A-653: Grades-33 & 50 (Class 1 & 3)
b. ASTM-A-792: Grades-33 & 50A
c. ASTM-A-1033: Structural Grades 33 Type-H & 50 Type-H
d. ALL OF THE ABOVE
d. ALL OF THE ABOVE
30
[STEEL FRAMING]
Load-bearing, cold-formed steel framing shall have a metallic coating complying with ASTM-A-1022 & one of the following:
a. A minimum of G-60 in accordance with ASTM-A-653
b. A minimum of AZ-50 in accordance with ASTM-A-792
c. BOTH A & B
d. NONE OF THE ABOVE
c. BOTH A & B
a. A minimum of G-60 in accordance with ASTM-A-653
b. A minimum of AZ-50 in accordance with ASTM-A-792
31
[ROOF WATER CONTROL]
What is the purpose of "cutting the points"?
a. This helps prevent water running along the bottom edges of shingles from the sides of the valley into the roofing system.
b. This helps prevent water running along the top edges of shingles from the sides of the valley into the roofing system.
c. This helps prevent water running along the top edges of shingles from the ends of the valley into the roofing system.
d. This helps prevent condensation running along the top edges of shingles from the sides of the valley into the roofing system.
b. This helps prevent water running along the top edges of shingles from the sides of the valley into the roofing system.
32
```
[ROOF WATER CONTROL]
The implications of missing drip edge flashings are_____.
a. Rot in the brick frieze.
b. Rot in the siding.
c. Rot in the fascia.
d. Rot in the frieze board.
```
c. Rot in the fascia.
33
```
[ROOF WATER CONTROL]
On a site having expansive soil, roof drainage water shall discharge a minimum of _____ feet from the foundation walls or to an approved drainage system.
a. 3'
b. 5'
c. 6'
d. 10'
```
b. 5'
| [IRC R801.3]
34
[SKYLIGHTS]
Solarium enclosures tend to leak...
a. at the seals of the double-glazed glass.
b. where the glass roof meets the glass wall at the eave of the solarium.
c. where the glass roof meets the top of the gable wall of the solarium
d. at the intersection of the house wall & glass roof.
d. at the intersection of the house wall & glass roof.
35
```
[SKYLIGHTS]
Which of these is the most typical skylight problem?
a. Rust
b. Lack of curb
c. Mechanical damage
d. Leakage
```
d. Leakage
36
```
[SKYLIGHTS]
Double-glazed skylights...
a. are hermetically sealed
b. are vented
c. are more leak resistant than single glazed units
d. EITHER (A) or (B)
```
d. EITHER (A) or (B)
| hermetically sealed) (vented
37
```
[FLASHING]
Flashings are typically located at ______
a. valleys
b. roof penetrations
c. intersections with other materials
d. ALL OF THE ABOVE
e. NONE OF THE ABOVE
```
d. ALL OF THE ABOVE
38
```
[FLASHING]
Galvanized sheet metal used for open roof valley flashing for asphalt shingles shall be at least ____ gauge.
a. 22
b. 26
c. 28
d. 30
```
b. 26 gauge
| [IRC R905.8.8]
39
```
[FLASHING]
In an asphalt shingle roof application, a cricket shall be installed on the ridge side of any chimney with a minimum width of _____ inches.
a. 30"
b. 32"
c. 36"
d. 42"
```
a. 30"
| [IRC R903.2.2]
40
```
[VENTILATION / NON-VENTILATION]
Where eave or cornice vents are installed, a minimum ____ air space shall be provided between the insulation & the roof sheathing at the vent location.
a. 1/2"
b. 1"
c. 2"
d. 3"
```
b. 1"
| [IRC R806.3]
41
```
[VENTILATION / NON-VENTILATION]
Openings provided for roof ventilation shall be covered with corrosion resistant wire mesh with openings a minimum of ____ and a maximum of ____.
a. 1/16" by 1/4"
b. 1/8" by 3/8"
c. 1/4" by 3/8''
d. 1/4'' by 1/3''
```
a. 1/16" by 1/4"
| [IRC R806.1]
42
```
[VENTILATION / NON-VENTILATION]
Ridge flashings can also act as...
a. venting systems
b. rain gutters
c. lightning protection systems
d. structural braces
```
a. venting systems
43
```
[ATTIC ACCESS]
A required attic access opening shall have a minimum rough opening size of:
a. 18'' by 24''
b. 18'' by 30''
c. 22'' by 30''
d. 24'' by 36''
```
c. 22'' by 30''
44
```
[ATTIC ACCESS]
Buildings with combustible ceiling or roof construction shall have an attic access opening to attic areas that exceed _____ & have a vertical height of 30'' or greater.
a. 30 sq ft
b. 50 sq ft
c. 100 sq ft
d. 120 sq ft
```
a. 30 sq ft
45
[ATTIC ACCESS]
The vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members (TRUE/FALSE)
TRUE
46
[RE-ROOFING]
Re-roofing shall not be required to meet the minimum design slope requirement of 1/4-unit vertical in 12-units horizontal (2% slope) in Sec-R905 for roofs that provided positive roof drainage (TRUE/FALSE)
TRUE
47
[RE-ROOFING]
New roof coverings shall not be installed without first removing all existing layers of roof coverings where any of the following conditions exist:
a. Where the existing roof or roof covering is water soaked or has deteriorated to the point that the existing roof or roof covering is not adequate as a base for additional roofing.
b. Where the existing roof covering is wood shake, slate, clay, cement or asbestos-cement tile.
c. Where the existing roof has 2 or more applications of any type of roof covering.
d. ALL OF THE ABOVE
d. ALL OF THE ABOVE
48
[RE-ROOFING]
Where the application of a new roof covering over wood shingle or shake roofs creates a combustible concealed space, the entire existing surface shall be covered with gypsum board, mineral fiber, glass fiber or other approved materials securely fastened in place (TRUE/FALSE)
TRUE
49
[SLOPES]
In the attachment of asphalt shingles, special methods of fastening are required where the minimum roof slope of _____ is exceeded.
a. 12-units vertical in 12-units horizontal
b. 16-units vertical in 12-units horizontal
c. 18-units vertical in 12-units horizontal
d. 20-units vertical in 12-units horizontal
d. 20-units vertical in 12-units horizontal
50
[SLOPES]
A roof slope of 3/12 means:
a. For every 12'' of lateral distance you rise 3''
b. Shingles with a thickness of 3/12 or greater should be used.
c. For every 3'' of lateral distance you rise 3''
d. For every 12'' of vertical distance, you descent 3/12''
a. For every 12'' of lateral distance you rise 3''
51
```
[SLOPES]
The bottom of a roof slope is called the: ______
a. Pitch
b. Eave
c. Ridge
d. Slope
```
b. Eave
52
[ASPHALT]
| Granules on conventional or asphalt shingles protect the shingles from the sun's rays (TRUE/FALSE)
TRUE
53
```
[ASPHALT]
What are the 3 parts of an asphalt shingle?
a. Base, Asphalt/Coating, Granules
b. Grain, Concrete, Base
c. Metal, Wood base, Granules
d. Granules, Surface, Coating
```
a. Base, Asphalt/Coating, Granules
54
[ASPHALT]
| NEW asphalt shingles means NEW roof. (TRUE/FALSE)
FALSE
55
[FIBERGLASS]
There however were less performance issues related to glass fibers, such as cracking & breaking early in their life (TRUE/FALSE)
FALSE
56
```
[FIBERGLASS]
Glass fiber mats were used in asphalt shingles as early as the _______ and are the most common base material in shingles today.
a. 1950's
b. 1960's
c. 1970's
d. 1980's
```
b. 1960's
57
[FIBERGLASS]
| Glass mats are more fire resistant than organic felts. (TRUE/FALSE)
TRUE
58
```
[WOOD SHAKE]
For preservative tapersawn shakes installed on a roof, the spacing between wood shakes shall be a minimum of ______ and a maximum of _____
a. 1/8'', 3/8''
b. 1/8'', 5/8''
c. 1/4'', 3/8''
d. 3/8'', 5/8''
```
d. 3/8'', 5/8''
59
```
[WOOD SHAKE]
For a wood shake roof system, sheet metal roof valley flashing shall extend a minimum of ______ from the centerline of the valley in each direction.
a. 4''
b. 7''
c. 11''
d. 12''
```
c. 11''
60
[WOOD SHAKE]
| Wood shakes shall be used only on solid or spaced sheathing (TRUE/FALSE)
TRUE
61
[WOOD SHINGLE]
| The average life expectancy for composition & wood roofs is about 15 years in the Gulf Coast area (TRUE/FALSE)
TRUE
62
```
[WOOD SHINGLE]
Wood roof shingles shall be laid with a minimum side lap of ______ between joints in courses.
a. 3/8''
b. 1/2''
c. 1''
d. 1 1/2''
```
d. 1 1/2''
63
```
[WOOD SHINGLE]
In what part of the roof are missing shingles or shakes most likely?
a. Hips & Ridges
b. Gables
c. Valleys
d. Front entry
```
a. Hips & Ridges
64
[SLATE]
| No one should walk on roofs made out of slate (TRUE/FALSE)
TRUE
65
```
[SLATE]
Which material lasts the longest?
a. Asphalt shigles
b. Slate
c. Wood
d. Fiber-cement
```
b. Slate
66
[SLATE]
If, when looking at a slate roof, you see ribbons, you should tell the client ______
a. these may be weak areas & the slate is not high quality.
b. these are signs of particularly good, strong slates.
c. these slates are definitely from Buckingham, VA
d. these slates are rare & tend to be more expensive.
a. these may be weak areas & the slate is not high quality.
67
[CLAY TILE]
| An inspector should walk on roofs made out of clay tile (TRUE/FALSE)
FALSE
68
[CLAY TILE]
Clay tile roofs are an effective shedding-style roof by themselves under what circumstances?
a. NEVER - there should always be a watertight membrane below
b. On low-sloped roofs only (less than 4-in-12)
c. On steep-sloped roofs only (more than 4-in-12)
d. Only if glazed tile is used.
c. On steep-sloped roofs only (more than 4-in-12)
69
[CLAY TILE]
| Clay tiles are installed in the same manner as shingles, with each course overlapping the course below (TRUE/FALSE)
TRUE
70
```
[CONCRETE TILES]
Nails used to attach concrete roof tiles to the roof deck penetrate the deck a minimum of ______ or through the thickness of the deck.
a. 1/2''
b. 5/8''
c. 3/4''
d. 7/8''
```
c. 3/4''
71
```
[CONCRETE TILES]
With concrete clay tile roofs, common problems with hip & ridge flashings include:
a. cracked or shrinking mortar
b. rusted metal
c. gaps in curved tile hip & ridges
d. ONLY: (A) & (C)
```
d. ONLY: (A) & (C)
a. cracked or shrinking mortar
c. gaps in curved tile hip & ridges
72
[CONCRETE TILES]
Clay & concrete roof tile attachment shall be in accordance with the manufacturer's installation instructions where applied in areas where the wind speeds exceeds 100 mph (45 m/s) and on buildings where the roof is located more than 40' (12, 192mm) above grade. (TRUE/FALSE)
TRUE
73
[FIBER CEMENT: asbestos, cement, mineral cement]
If you drilled a hole through a properly laid, fiber-cement roof, how many shingles would you go through?
a. 1
b. 2
c. 3
d. 4
a. 1
74
[FIBER CEMENT: asbestos, cement, mineral cement]
| Asbestos cement shingles should be removed from homes (TRUE/FALSE)
FALSE
75
[FIBER CEMENT: asbestos, cement, mineral cement]
| Fiber cement shingles, contain some of the same components as concrete tiles (TRUE/FALSE)
TRUE
76
```
[METAL]
Metal shingles should not be installed on a roof having a slope less than __-in-12.
a. 2
b. 3
c. 4
d. 5
```
b. 3
77
[METAL]
Metal roofing _____________
a. cannot be installed with an overlap
b. can never have exposed fasteners
c. must have a slope greater than 5-in-12
d. can be installed as shingles or sheets & panels
d. can be installed as shingles or sheets & panels
78
[METAL]
Minimum slopes for metal roof panels shall comply with the following:
a. The minimum slope for lapped, non-soldered, seam metal roofs without applied lap sealant shall be 3-units vertical in 12-units horizontal (25% slope)
b. The minimum slope for lapped, non-soldered, seam metal roofs with applied lap sealant shall be 1/2-units vertical in 12-units horizontal (4% slope). Lap sealants shall be applied in accordance with the approved manufacturer's installation instructions.
c. The minimum slope for standing-seam roof systems shall be 1/4-unit vertical in 12-units horizontal (2% slope).
d. ALL OF THE ABOVE
d. ALL OF THE ABOVE
79
```
[ROLL]
The following materials are all brittle except:
a. Wood
b. Slate
c. Roll roofing
d. Fiber cement
```
c. Roll roofing
80
[ROLL]
Mineral surfaced roll roofing shall not be applied on roof slopes below 1-unit vertical in 12-units horizontal (8% slope) (TRUE/FALSE)
TRUE
81
[ROLL]
| Mineral surfaced roll roofing shall not be fastened to solidly sheathed roofs (TRUE/FALSE)
FALSE
82
[BUILD UP]
The purpose of the gravel on a built up tar & gravel roof is to _______
a. provide ballast to help hold the roof membrane down.
b. prevent delamination of the plies
c. protect the membrane from ultraviolet light.
d. (A) & (C) ONLY
d. (A) & (C) ONLY
a. provide ballast to help hold the roof membrane down.
c. protect the membrane from ultraviolet light.
83
```
[BUILD UP]
Which conditions can contribute to slippage of a built up roof membrane?
a. Wrong type of asphalt used
b. Too many plies
c. Asphalt too thick
d. BOTH (A) & (C)
```
d. BOTH (A) & (C)
a. Wrong type of asphalt used
c. Asphalt too thick
84
[BUILD UP]
On a tar & gravel roof intersecting a wall, the bottom of the metal counter flashing should be terminated _______
a. on the roof surface at least 10'' away from the wall.
b. in a hem
c. in a termination bar
d. 6'' above the roof surface
b. in a hem
85
```
[MODIFIED BITUMEN]
Which of the following is not a common problem on modified bitumen?
a. Shattering
b. Loss of granules
c. Open seams
d. Punctures
```
a. Shattering
86
[MODIFIED BITUMEN]
Which of the following statements is true of a modified bitumen roof?
a. The seams are spaced every 12'' and the surface has a rubbery feel.
b. There is evidence of bleed-out of asphalt at the seams & the seams are spaced every 3'.
c. There are no exposed nails.
d. BOTH (B) & (D) are true (??????)
??????????????? (CSRE Book & Quiz said "D")
B & C
b. There is evidence of bleed-out of asphalt at the seams & the seams are spaced every 3'.
c. There are no exposed nails.
[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg 230]
87
```
[MODIFIED BITUMEN]
Which single-ply system typically uses a base sheet & a cap sheet?
a. PVC
b. EPDM
c. Metal
d. Modified Bitumen (Mod Bit)
```
d. Modified Bitumen (Mod Bit)
88
```
[SYNTHETIC RUBBER-EPDM]
What are the common problems with EPDM roofs?
a. Open seams & flashings
b. Discoloration due to oil
c. Cracking due to shrinkage
d. ALL OF THE ABOVE
```
d. ALL OF THE ABOVE
89
```
[SYNTHETIC RUBBER-EPDM]
Which of the roof membranes may be damaged by oils left from a Freon leak at a roof mounted A/C.
a. PVC
b. Modified Bitumen (Mod Bit)
c. Build Up
d. EPDM
```
d. EPDM (Ethylene Propylene Diene Terpolymer)
90
```
[SYNTHETIC RUBBER-EPDM]
One of the following roof membranes feels like rubber. When you stretch it, it rebounds.
a. Modified Bitumen (Mod Bit)
b. ABS
c. EPDM
d. PVC
```
c. EPDM
91
```
[PLASTIC-PVC]
Which roof membrane has had shattering problems when it was cold outside?
a. PVC
b. Modified Bitumen (Mod Bit)
c. Unprotected Roll-roofing
d. EPDM
```
a. PVC
92
[PLASTIC-PVC]
Considerable wrinkling & tautness of EPDM & PVC membranes at wall intersections would typically be caused by _______
a. improper base flashing detail
b. shrinkage of the membrane
c. movement of the roof deck relative to the wall
d. poor securement of fascia to roof deck
b. shrinkage of the membrane
93
[PLASTIC-PVC]
Thermoplastic single-ply membrane roofs shall have a design slope of a minimum of 1/4th unit vertical in 12-units horizontal (2% slope) (TRUE/FALSE)
TRUE
94
[VALLEYS]
Metal valley flashings should be no longer than 10' because______
a. expansion & contraction may cause buckling
b. it would not be aesthetically pleasing
c. longer lengths of metal are too expansive
d. longer pieces are too difficult to handle
a. expansion & contraction may cause buckling
95
[VALLEYS]
The valley flashings should widen at the bottom to _____
a. improve the aesthetics of the roof
b. make it easier to install the shingles
c. allow for a proper nailing pattern
d. allow for the greater accumulation of water that collects here
d. allow for the greater accumulation of water that collects here
96
```
[VALLEYS]
Common valley flashing materials include all of the following EXCEPT:
a. Galvanized steel
b. Aluminum
c. Roll roofing
d. Brass
```
d. Brass
97
[SCENARIO #1]
It has not rained in a long time & there is no ponding at the time of the inspection, what are other clues that might lead you to believe that the roof has experienced some ponding?
a. Look for algae & vegetation on the roof surface
b. Look for dirt, algae & vegetation on the roof surface
c. Look for dirt & vegetation on the roof surface
d. Look for dirt & algae on the roof surface
b. Look for dirt, algae & vegetation on the roof surface
98
[SCENARIO #2]
When a skylight is installed on a flat roof, an 8'' high curb is built for the skylight frame to sit on. Does the skylight frame go over the base flashing or does the base flashing extend up the sides of the skylight frame?
a. The skylight frame goes over the base flashing
b. The base flashing extends up the sides of the skylight frame
c. Both up & over the skylight frame
d. Neither up or down, but should be letting into the decking
a. The skylight frame goes over the base flashing
99
[SCENARIO #3]
If you are looking at a single-ply roof surface with a granular surface, what are some clues to differentiate modified bitumen (Mod Bit) from roll roofing?
a. Roll roofing often has nail heads that are exposed or covered with plastic cement and/or plastic cement along the seams. Roll roofing is typically not used for flashings. Mod Bit is more flexible than roll roofing & will usually not break if folded. Roll roofing is usually 39'' wide. Mod Bit roofing is usually 36'' wide.
b. Roll roofing often has nail heads that are exposed or covered with plastic cement and/or plastic cement along the seams. Roll roofing is typically not used for flashings. Mod Bit is more brittle than roll roofing & will usually not break if folded. Roll roofing is usually 36'' wide. Mod Bit roofing is usually 39'' wide.
c. Roll roofing often has nail heads that are exposed or covered with plastic cement and/or plastic cement along the seams. Roll roofing is typically used for flashings. Mod Bit is more flexible than roll roofing & will usually not break if folded. Roll roofing is usually 36'' wide. Mod Bit roofing is usually 39'' wide.
d. Roll roofing often has nail heads that are exposed or covered with plastic cement and/or plastic cement along the seams. Roll roofing is typically not used for flashings. Mod Bit is more flexible than roll roofing & will usually not break if folded. Roll roofing is usually 36'' wide. Mod Bit roofing is usually 39'' wide.
???????
(C is wrong)
d. Roll roofing often has nail heads that are exposed or covered with plastic cement and/or plastic cement along the seams. Roll roofing is typically not used for flashings. Mod Bit is more flexible than roll roofing & will usually not break if folded. Roll roofing is usually 36'' wide. Mod Bit roofing is usually 39'' wide.(Quizlet)
100
[TEST QUESTION]
Flat roofing systems are ______.
a. shedding systems
b. spalling systems
c. watertight systems
d. evaporation systems
c. watertight systems
| [Principles of Home Inspections, Systems & Standards, 3rd ed. Pg220]
101
[TEST QUESTION]
Dormer flashings -
a. has a valley if it's a gable dormer
b. cannot use siding as a valley flashing
c. are complex
d. should not have step (base) flashings
c. are complex
| best answer
102
[TEST QUESTION]
A scupper is _____ .
a. a gravel stop
b. a roof to wall flashing
c. movement of the flood coat
d. a roof drain opening through a wall
d. a roof drain opening through a wall
| [R202 Definitions]
103
[TEST QUESTION]
A parapet wall is _____ .
a. any sidewall of a dormer.
b. the curb wall around the perimeter of a skylight.
c. a perimeter wall which extends above the roofline.
d. an interior wall which meets a flat roof at its top.
c. a perimeter wall which extends above the roofline.
[A parapet is a barrier which is an extension of the wall at the edge of a roof - Wikipedia]
104
[TEST QUESTION]
Wood decks on roofs may do ALL of the following except:
a. protect the roof from ultraviolet.
b. protect the roof from mechanical damage.
c. make the roof more difficult to inspect & repair.
d. protect the roof from condensation damage.
d. protect the roof from condensation damage.
105
[TEST QUESTION]
A pitch pocket would most likely be used on _____ .
a. a skylight
b. a chimney
c. a plumbing stack
d. an antenna base
c. a plumbing stack (best answer)
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg246]
[A pitch pocket is a sheet metal sleeve flashed into the roofing membrane. (www.architekwiki.com)]
106
[TEST QUESTION]
Which cedar shingle is most rot resistant?
a. One on a NORTH exposure of a 5-in-12 roof.
b. One on a shaded SOUTH exposure of a 4-in-12 roof.
c. One on a low-sloped roof.
d. One on a 12-in-12 roof.
d. One on a 12-in-12 roof. (best answer)
| [Principles of Home Inspections, Systems & Standards, 3rd ed. Unit-3]
107
[TEST QUESTION]
Open valley flashings made of roll roofing typically consist of _____.
a. 2 layers, 18'' wide & 36'' wide.
b. 2 layers, each 18'' wide.
c. 2 layers, 12'' wide & 18'' wide
d. 3 layers, each 18'' wide
a. 2 layers, 18'' wide & 36'' wide.
| [IRC R905.2.8.2(2)]
108
[TEST QUESTION]
On examining a closed valley on an asphalt shingle roof, it is critical to _____.
a. ensure the points have been cut.
b. make sure the valley widens as it extends down the roof.
c. lift up the shingles at the bottom of the valley to ensure there is roll roofing or a similar underlayment.
d. make sure the metal valley is not longer than 10'.
a. ensure the points have been cut.
| [Principles of Home Inspections, Systems & Standards, 3rd ed. Pg205]
109
[TEST QUESTION]
The bottom cap flashing for a masonry chimney has a single piece of metal let into the mortar joint & nailed to the shingle surface so it won't lift up. The flashing extends over the shingle surface approx. 4''. No leakage is evident inside the home. You tell your client that -
a. "The chimney base flashing has been properly installed"
b. "The bottom cap flashing should extend down the shingle surface by at least 6''. The flashing has to be replaced"
c. "The exposed nail heads in the bottom cap flashing should be removed"
d. "This not an ideal installation as the nail holes may leak & movement of the roof deck relative to the chimney may pull the flashing out, but it is typical & acceptable. Since the flashing hasn't been pulled yet, you recommend monitoring rather than replacement."
a. "The chimney base flashing has been properly installed" (best answer)
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg208]
[IRC R905.2.8.3, R905.6.6
OR
d. "This not an ideal installation as the nail holes may leak & movement of the roof deck relative to the chimney may pull the flashing out, but it is typical & acceptable. Since the flashing hasn't been pulled yet, you recommend monitoring rather than replacement." (Quizlet)
110
[TEST QUESTION]
If the flange for a plumbing stack flashing appears to have pulled away from the roof, this would typically be caused by:
a. Structural settlement of the house
b. Settlement of the stack
c. Too many nails in the stack flashing
d. Incompatible flashing materials.
d. Incompatible flashing materials. (best answer)
111
[TEST QUESTION]
At roof to wall flashings, where wood siding is the counter flashing the siding should be:
a. Less than 1'' above the roof.
b. 1'' to 2'' above the roof.
c. 2'' to 3'' above the roof.
d. 3'' to 4'' above the roof.
b. 1'' to 2'' above the roof.
| Best answer-Quizlet
112
[TEST QUESTION]
Ridge flashings can also act as:
a. Venting systems
b. Rain gutters
c. Lightning protection systems
d. Structural Braces
a. Venting systems
| [Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 215]
113
[TEST QUESTION]
The preferred material for valley flashing is:
a. Metal.
b. Heavy roofing felts.
c. Ice and water shield.
d. Roll roofing.
a. Metal.
| Best answer, Quizlet
114
[TEST QUESTION]
A part of a chimney flashing most prone to leakage is the part:
a. Protruding through the ridge of the roof.
b. Adjacent to the gutters.
c. Facing the high side of the roof.
d. Facing east.
c. Facing the high side of the roof.
| Best answer, Quizlet
115
[TEST QUESTION]
The SOP require you to:
a. Lift up the roof covering
b. Describe the type of flashings
c. Walk on the roof
d. Inspect the skylights
b. Describe the type of flashings
| [Best Answer, §535.228(c)(1)(B)(iv)]
116
[TEST QUESTION]
Flashings are typically located at:
a. valleys
b. roof penetrations
c. intersections with other materials
d. ALL OF THE ABOVE
d. ALL OF THE ABOVE
117
[TEST QUESTION]
Mechanical damage to skylights is commonly caused by all of the following EXCEPT:
a. Animals
b. Re-roofing activities
c. Building shifting
d. Snow & ice removal
a. Animals (Best answer)
118
[TEST QUESTION]
Good skylight inspections include all of these EXCEPT:
a. Looking from inside the home below the skylight
b. Looking at the flashings
c. standing on the glazed section
d. tapping on the glazing
c. standing on the glazed section (DUH!!!!)
119
[TEST QUESTION]
Drip edge flashing:
a. Is installed over the eave protection or underlayment.
b. Is installed over the starter strip.
c. Has its bottom edge between the gutter & the fascia.
d. Has a 45° Bend in the bottom ½''.
d. Has a 45° Bend in the bottom ½''.
| Quizlet
120
[TEST QUESTION]
A drip edge flashing that sits proud above the roof sheathing:
a. helps to prevent ice dams
b. indicates 2 layers of roofing material
c. is found only on wood roofs
d. may trap water on the roof, like a dam.
d. may trap water on the roof, like a dam. (Best answer)
121
[TEST QUESTION]
Shed dormers never have:
a. base (step) flashings
b. counter flashings
c. roof intersections with walls above
d. valley flashings
c. roof intersections with walls above (best answer)
| no references in book
122
[TEST QUESTION]
An inspector should not walk on a roof:
a. if it could cause damage or is unsafe
b. ever
c. when the owner is home
d. when it is a flat roof
a. if it could cause damage or is unsafe (best answer)
123
[TEST QUESTION]
Blisters in a built up roof may be caused by:
a. asphalt too cold when applied
b. air or water trapped between the roof sheathing & the membrane
c. air or water trapped between the plies of the membrane
d. B & C
d. B & C (best answer)
b. air or water trapped between the roof sheathing & the membrane
c. air or water trapped between the plies of the membrane
124
[TEST QUESTION]
The purpose of a cant strip is to:
a. seal the top of a parapet counter flashing.
b. replace a reglet as the counter flashing
c. make the roof membrane less likely to crack at a change in direction.
d. provides a curb on which to set a skylight
c. make the roof membrane less likely to crack at a change in direction.
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 239]
125
[TEST QUESTION]
All of the following are common built-up roof problems except:
a. Oil-canning
b. Blisters
c. Alligatoring
d. Ridging
a. Oil-canning
| [Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 223]
126
[TEST QUESTION]
The top of parapet wall cap flashings should:
a. slope down away from the roof
b. slope down toward the roof
c. be level
d. be painted
b. slope down toward the roof
| [IRC R903.2 & R903.2.1]
127
[TEST QUESTION]
Pitch pockets are not desirable because:
a. they indicate low quality workmanship
b. they require frequent maintenance
c. no one uses pitch anymore
d. they tend to rot easily
b. they require frequent maintenance
| [Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 246]
128
[TEST QUESTION]
For a built-up roof with a wood deck on top, which of these statements is true?
a. Aggregate is required on the surface of the roof.
b. The deck support should be designed such that proper drainage of the roof is not impeded.
c. No gravel is needed because the deck protects the surface from UV.
d. Both (B) & (C) are TRUE.
d. Both (B) & (C) are TRUE.
b. The deck support should be designed such that proper drainage of the roof is not impeded.
c. No gravel is needed because the deck protects the surface from UV.
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 246]
129
[TEST QUESTION]
You are examining the side flashing for a masonry chimney. Where the asphalt shingles meet the counter flashing, roofing cement has been applied. Your report should include:
a. "It is difficult to say if proper flashings were installed."
b. "Roofing cement should only be considered a temporary repair."
c. "This is NOT a good building practice."
d. ALL OF THE ABOVE
d. ALL OF THE ABOVE
| [Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 207-213]
130
[TEST QUESTION]
When walking around the outside of a house, you notice efflorescence on the chimney brickwork, just below the roofline. The most likely problem is:
a. blocked chimney flue
b. the lack of a proper liner for the chimney
c. a leaking roof flashing
d. leaking soffits
b. the lack of a proper liner for the chimney
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 43]
131
[TEST QUESTION]
What's the difference between a Spanish tile & a Mission tile?
a. Mission tiles come in 1 piece - PAN. Spanish tiles come in 1 piece & have interlocking sides.
b. Mission tiles come in 4 pieces - PANS & COVERS. Spanish tiles come in 1 piece & have interlocking sides.
c. Mission tiles come in 6 pieces - PANS & COVERS. Spanish tiles come in 1 piece & have interlocking sides.
d. Mission tiles come in 2 pieces - PANS & COVERS. Spanish tiles come in 1 piece & have interlocking sides.
d. Mission tiles come in 2 pieces - PANS & COVERS. Spanish tiles come in 1 piece & have interlocking sides.
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 186-187]
132
[TEST QUESTION]
What are 2 conditions to watch for on clay tile roofs?
a. Installation problems, Cracked or Broken
b. Pitted or Calling
c. Missing, Fasteners properly installed
d. Flashing at proper locations, Underlying membrane
a. Installation problems, Cracked or Broken
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 189]
133
[TEST QUESTION]
What shapes are concrete tile?
a. flat or round
b. flat or curved
c. flat or elongated
d. flat or thin
b. flat or curved
| [Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 191]
134
[TEST QUESTION]
What are 2 conditions should you watch for on concrete roofs?
a. Proper installation, cracked or broken tiles
b. Pitted
c. Missing or loose tiles, Previous repairs
d. Fastener, new installation
c. Missing or loose tiles, Previous repairs
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 192]
135
[TEST QUESTION]
What are the common failure modes for roll roofing?
a. Cracking
b. Boasting
c. Rambling
d. Look of granular material
a. Cracking
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 198]
136
[TEST QUESTION]
What is a common flashing material?
a. Felt
b. Asphalt
c. Rolls
d. Metal
d. Metal
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 200]
137
[TEST QUESTION]
What are 2 areas where flashings are found?
a. Valleys, Chimneys
b. Pumps or Stacks
c. Roof/Wall sections
d. Flat Roofs which intersect Flat Roofs
a. Valleys, Chimneys
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 201]
138
[TEST QUESTION]
Are valley flashings a watertight or shedding type of flashing?
a. Valley flashings are a watertight type of flashing.
b. Valley flashings are a weathertight type of flashing.
c. Valley flashings are a shedding type of flashing.
d. Valley flashings are both watertight & shedding type of flashing.
c. Valley flashings are a shedding type of flashing.
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 202]
139
[TEST QUESTION]
What are the 2 common materials that are used for OPEN VALLEY flashing?
a. Roll roofing, metal
b. Metal, Asphalt (3-Tab)
c. Roll roofing, clay tile
d. Roll roofing, dimensional
a. Roll roofing, metal
[Principles of Home Inspections, Systems & Standards, 3rd ed. Pg 202]
