Difference between revisions of "SBS 11.3.2.2-1 Cast Iron Drains"

Revision as of 16:28, 23 October 2017

RoofStar Guarantee Standards are blue-linked

SBS Details

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 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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Back to SBS Modified Bitumen Construction Details

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@@ Line 13: / Line 13: @@
 <div class="col-md-6">
 === WORK INCLUDED ===
-;(1) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSSUBSTRATES|'''Gypsum Deck Overlay''']]: If required by design authority.
+;(1) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#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.
+;(2) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#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.
+;(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 Roof Systems#SBSINSULATIONOVERLAY|'''Insulation Overlay Board''']]: Asphalt adhered or mechanically fastened. Two layers required over heat-sensitive insulation.
+;(4) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#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''']]
+;(5) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#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).
+;(7) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBS-STRIPPING|'''Base Sheet Flashing''']]: As approved by membrane manufacturer (See (C) below).
 <hr>
 === RELATED WORK BY OTHERS ===
-;(A) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSDECKS|'''Acceptable Deck''']]
+;(A) [[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies#SBSDECKS|'''Acceptable Deck''']]
 ;(B) '''Roof Drain Assembly'''
 ;(C) '''Lead Flashing''': Minimum 15 kg / m&#178; (3 lb / ft&#178;) 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>.