9.26 Roofing Flashcards
True of False.
Roofing must be installed in a manner that will prevent water from entering the building as a result of ice damming.
True
Reference: 9.26.1.1.(1)
(1) 지붕 = 후레싱을 포함한 Roofing으로 보호되어야 하며, 다음과 같이 설치되어야.
(a) 효과적으로 물을 흘리고,
(b) 물과 습기가 건물 조립 및 점유 공간으로 유입되는 것을 방지,
(c) Ice damming으로 인한, building assemblies로 물의 침투 최소화.
True or False.
According to Section 9.26. and the explanatory material in Appendix A,
all exterior decks serving Houses must be provided with a roof
False
Ref:
9.26.1.1.(1) Purpose of Roofing
(a) “roof” = sloped or near-horizontal assemblies that protect the spaces beneath them and includes platforms that effectively serve as roofs with respect to the accumulation or drainage of precipitation
The installation of asphalt shingles on a roof with a slope of 1:4:
a must be installed in accordance with the prescriptive of the Code at Section 9.26. “Roofing”
b may be installed in accordance with the methods described in CAN3-A123.51-M
c may be installed in accordance with the methods described in CAN3-A123.52-M
d must be installed in accordance with the methods described in CAN3-A123.52-M
c may be installed in accordance with the methods described in CAN3-A123.52-M
Ref:
9.26.1.2.(1),
see Subsection 1.3.1.
CAN3-A123.51-M
= roof slopes 1:3 & steeper
CAN3-A123.52-M
= roof slopes 1:6 ~ less than 1:3
For the construction of Houses,
“Asphalt Shingles Made from Organic Felt and Surfaced with Mineral Granules must comply with:
a CAN/CSA-A123.51
b CAN/CSA-A123.51
c CSA A123.1/ A123.5
d CSA-A123.3
Ref : 9.26.2.1 (1)(i)
When 1 m wide asphalt shingles are fastened with 4 staples,
such staples must not be less than:
a 12 mm long, 1.6 mm in diameter with a 25 mm crown
b 29 mm long, 1.6 mm in diameter with a 9.5 mm crown
c 19 mm long, 1.6 mm in diameter with a 11 mm crown
d 19 mm long, 1.6 mm in diameter with a 25 mm crown
d 19 mm long, 1.6 mm in diameter with a 25 mm crown
Ref: 9.26.2.3 (2)
(2) 아스팔트 슁글과 함께 사용되는 스테이플
-길이 19mm,
-직경 or 두께 1.6mm 이상,
-크라운 25mm 이상이어야
Aluminum used as roof flashing must not be less than:
a 1.73 mm thick
b 0.33 mm thick
c 0.35 mm thick
d 0.48 mm thick
d 0.48 mm thick
Ref: 9.26.4.2
True of False.
Valley flashing may be supported by framing members, furring or blocking.
False
Ref: 9.26.4.3.(2)
Valley flashing shall be installed over continuous sheathing.
Open valleys on the roof of Houses must be flashed with:
a. not less than 2-layers of sheet metal conforming to Clauses 9.26.4.2 (1)(a) to (e) and centered in the valley
b. no fewer than 2 layers of Type M or S roll roofing not less than 600 mm wide and centered in the velley
c. at least 1 layer of sheet metal conforming to Clauses 9.26.4.2 (1)(a) to (e) and centered in the valley
d. at least 1 layer of 600 mm wide sheet metal conforming to Clauses 9.26.4.2 (1)(a) to (e) and centered in the valley
d. at least 1 layer of 600 mm wide sheet metal conforming to Clauses 9.26.4.2 (1)(a) to (e) and centered in the valley
Ref: 9.26.4.3 (5)
(5) Open valley shall be flashed with,
(a) at least 1 layer of sheet metal not less than 600 mm wide, or
(b) no fewer than 2 layers of rolll roofing
When a shingle roof intersects with masonry, flashing must be installed to shed rain effectively and prevent water due to ice damming from entering the roof.
Consequently, the counter flashing must overlap the lower flashing by not less than:
a 150 mm
b 100 mm
c 25 mm
d 75 mm
b 100 mm
Ref: 9.26.4.4.(2)
Counter flashing
-벽돌에 25mm 이상 박혀 있어야 하며
-석조물 아래로 150mm 이상 연장되고
-lower flashing을 100mm 이상 겹쳐야
When a shingle roof intersects with a wall other than masonry,
flashing must be installed to shed rain effectively and prevent water due to ice damming from entering the roof.
Consequently, the flashing must extend up the wall behind the sheathing paper by not less than:
a 150 mm
b 100 mm
c 25 mm
d 75 mm
d 75 mm
Ref: 9.26.4.5 (3)
Flashing = lower flashing과 counter flashing 모두에서 75 mm 이상의 헤드 랩이 있도록 계단식이어야
As a general rule, on a sloping roof,
a chimney saddle must be installed on the upper side of a chimney that is more than 750 mm wide.
As an exception to the general rule,
the saddle may be omitted when the flashing extends up the chimney:
a- to a height that is at least one sixth the width of the chimney
b- to a height that is at least one sixth the width of the chimney and not less than 150 mm
c- to a point equal in height to the flashing on the chimney
d- to a point equal in height to the flashing on the chimney and not less than 1.5 times the shingle tab exposure
b- to a height that is at least one sixth the width of the chimney and not less than 150 mm
Ref : 9.26.4.8 (5)
(5) 굴뚝 안장을 설치할 필요가 없음.
굴뚝과 지붕 사이의 교차점이 굴뚝 너비의 최소 1/6 높이까지 굴뚝 위로 확장되는 metal flashing으로 보호되는 경우,
but 150mm 이상, 굴뚝의 flashing과 같은 높이의 지붕 경사면까지,
but Shingle exposure 노출의 1.5배 이상
Eave protection may be omitted when the roof overhang, measured along the roof slope from the edge of the roof to a line that is parallel to the inner face of the exterior wall is:
a-not less than 900 mm
b-not more than 900 mm
c-900 mm
d-more than 900 mm
d-more than 900 mm
Ref: 9.26.5.1(2)(b)
Eave protection 필요하지 않음,
(a) 난방이 되지 않는 차고, 간이 차고 및 현관,
(b) 지붕 가장자리에서 외벽의 내면까지 지붕 경사를 따라 측정한 지붕 돌출부가 900mm를 초과 시,
(c) 9.26.8에 따라 설치된 아스팔트 슁글의 지붕,
(d) 경사가 1/1.5 이상인 지붕, or
(e) 도일(degree-day)이 3,500 이하인 지역
Which of the following is NOT acceptable as eave protection material:
a- 2-plies of No 15 asphalt-saturated felt
b- No 15 asphalt-saturated felt laid in 2-piles lapped 480 mm and cemented together with lap cement
c- Type S roll roofing laid with not less than 100 mm head and end laps cemented together with lap cement
d- polyester fibre coated base sheets
a- 2-plies of No 15 asphalt-saturated felt
Ref: 9.26.5.2 (1)
(1) Eave protection = starter strip 아래에 배치.
(a) 480mm로 겹쳐진 2겹으로 놓인 No. 15 asphalt-saturated felt 및 lap cement로 접착됨,
(b) Type M or S 롤 루핑 100mm 이상 head와 end를 cemented together (with lap cement로)
(c) 유리 섬유 or 폴리에스테르 섬유로 코팅된 베이스 시트, or
(d) 변형된 역청 코팅 재료로 구성된 자체 밀봉 복합막
True of False.
The installation of underlay beneath shingles is always compulsory.
False
Ref: 9.26.6.1.(1)
(1) 요구되는 경우 제외,
Shingle 아래에 underlay를 사용 시..
(a) 중량이 0.195 kg/m² 이상인 asphalt-saturated sheathing paper, or
(b) No. 15 plain or perforated asphalt-saturated felt.
Asphalt shingles on roofs with a slope of 1 in 3 or greater must provide:
a- not more than 2 thicknesses of coverage
b- not less than 2 thicknesses of coverage
c- not more than 3 thicknesses of coverage
d- not less than 3 thickness
b- not less than 2 thicknesses of coverage
Ref: 9.26.7.1(1)
Coverage shall be not less than 2 thickness of shingle over the entire roof, disregarging cutouts.
