Difference between revisions of "SBS 11.3.2.2-1 Cast Iron Drains"
Difference between revisions of "SBS 11.3.2.2-1 Cast Iron Drains"
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=== WORK INCLUDED === | === WORK INCLUDED === | ||
| − | (1) | + | ;(1) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSSUBSTRATES|'''Gypsum Deck Overlay''']]: If required by design authority. |
| + | ;(2) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSVAPOUR|'''Vapour Retarder''']]: If required by design authority. | ||
| + | ;(3) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSINSULATION|'''Insulation''']]: Mechanically fastened. See available insulation products in the [[Roof Deck Insulation|'''Accepted Materials''']] section of this Manual. | ||
| + | ;(4) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSINSULATIONOVERLAY|'''Insulation Overlay Board''']]: Asphalt adhered or mechanically fastened. Two layers required over heat-sensitive insulation. | ||
| + | ;(5) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSBASE|'''Primary Membrane and Membrane Protection''']] | ||
| + | ;(6) '''Mastic''': As approved by manufacturer. | ||
| + | ;(7) [[RoofStar Guarantee Standards for SBS Roof Systems#SBS-STRIPPING|'''Base Sheet Flashing''']]: As approved by membrane manufacturer (See (C) below). | ||
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=== RELATED WORK BY OTHERS === | === RELATED WORK BY OTHERS === | ||
| − | (A) | + | ;(A) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSDECKS|'''Acceptable Deck''']] |
| − | + | ;(B) '''Roof Drain Assembly''' | |
| − | (B) | + | ;(C) '''Lead Flashing''': Minimum 15 kg / m² (3 lb / ft²) weight lead sheet; flange extending minimum 25 mm (1") into bowl to 150 mm (6") beyond perimeter of drain; embed in mastic (6) and prime top surface where required by manufacturer or minimum 1 m x 1 m (39" x 39") 3 mm thick modified bituminous base sheet; to be supplied by trade supplying roof drain. For asphalt and gravel built-up systems <u>only</u>. |
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| − | (C) | ||
:'''NOTE''': Refer to <i>RGC Guarantee Standards</i> for additional requirements. | :'''NOTE''': Refer to <i>RGC Guarantee Standards</i> for additional requirements. | ||
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| + | * Leader size is determined by using the calculation found in the BC Building Code at Appendix P.7.4.10 and Section 7.4.10.11 (Section 7.4.10.10 for gutters)(current edition) in conjunction with the 15-minute rainfall value from the National Building Code, Appendix C. | ||
<hr> | <hr> | ||
Revision as of 20:28, 5 August 2016
1 WORK INCLUDED
- (1) Gypsum Deck Overlay
- If required by design authority.
- (2) Vapour Retarder
- If required by design authority.
- (3) Insulation
- Mechanically fastened. See available insulation products in the Accepted Materials section of this Manual.
- (4) Insulation Overlay Board
- Asphalt adhered or mechanically fastened. Two layers required over heat-sensitive insulation.
- (5) Primary Membrane and Membrane Protection
- (6) Mastic
- As approved by manufacturer.
- (7) Base Sheet Flashing
- As approved by membrane manufacturer (See (C) below).
2 RELATED WORK BY OTHERS
- (A) Acceptable Deck
- (B) Roof Drain Assembly
- (C) Lead Flashing
- Minimum 15 kg / m² (3 lb / ft²) weight lead sheet; flange extending minimum 25 mm (1") into bowl to 150 mm (6") beyond perimeter of drain; embed in mastic (6) and prime top surface where required by manufacturer or minimum 1 m x 1 m (39" x 39") 3 mm thick modified bituminous base sheet; to be supplied by trade supplying roof drain. For asphalt and gravel built-up systems only.
- NOTE: Refer to RGC Guarantee Standards for additional requirements.
- Leader size is determined by using the calculation found in the BC Building Code at Appendix P.7.4.10 and Section 7.4.10.11 (Section 7.4.10.10 for gutters)(current edition) in conjunction with the 15-minute rainfall value from the National Building Code, Appendix C.