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) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSSUBSTRATES|''' | + | ;(1) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSSUBSTRATES|'''Supporting Deck Overlay''']]: If required by design authority. |
− | ;(2) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies# | + | ;(2) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSAIRVAPOUR|'''Air or Vapour Control Layers''']]: If required by design authority. |
;(3) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSINSULATION|'''Insulation''']]: Mechanically fastened. See available insulation products in the [[Roof Deck Insulation|'''Accepted Materials''']] section of this Manual. | ;(3) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#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 Modified Bitumen Roof Assemblies#SBSINSULATIONOVERLAY|'''Insulation Overlay | + | ;(4) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSINSULATIONOVERLAY|'''Insulation Overlay''']]: Asphalt adhered or mechanically fastened. Two layers required over heat-sensitive insulation. |
− | ;(5) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSBASE|'''Primary Membrane and Membrane Protection''']] | + | ;(5) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSBASE|'''Primary Membrane''']] and [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSPROTECTION| '''Membrane Protection''']] |
;(6) '''Mastic''': As approved by manufacturer. | ;(6) '''Mastic''': As approved by manufacturer. | ||
− | ;(7) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBS-STRIPPING|'''Base | + | ;(7) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBS-STRIPPING|'''Base Membrane Flashing''']]: As approved by membrane manufacturer (See (C) below). |
<hr> | <hr> | ||
=== RELATED WORK BY OTHERS === | === RELATED WORK BY OTHERS === | ||
− | ;(A) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSDECKS|'''Acceptable Deck''']] | + | ;(A) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSDECKS|'''Acceptable Supporting Deck Structure''']] |
;(B) '''Roof Drain Assembly''' | ;(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 | + | ;(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 optional installation methods, see [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSCASTDRAINS|'''11.3.2.2 Cast-iron Roof Drains''']]. |
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Revision as of 19:10, 30 January 2019
RoofStar Guarantee Standards are blue-linked |
SBS Details
1 WORK INCLUDED
- (1) Supporting Deck Overlay
- If required by design authority.
- (2) Air or Vapour Control Layers
- If required by design authority.
- (3) Insulation
- Mechanically fastened. See available insulation products in the Accepted Materials section of this Manual.
- (4) Insulation Overlay
- 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 Membrane Flashing
- As approved by membrane manufacturer (See (C) below).
2 RELATED WORK BY OTHERS
- (A) Acceptable Supporting Deck Structure
- (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 optional installation methods, see 11.3.2.2 Cast-iron Roof Drains.
NOTE: Refer to RoofStar 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.
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