SBS Flanged Insert Drain

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SBS Flanged Insert Drain

Revision as of 14:53, 30 August 2021 by James Klassen (talk | contribs)


Notice to Reader
Images used in a Construction Detail are representative and not prescriptive. Nor are they necessarily drawn to scale. Rather, they are provided to visually convey the requirements of the Standard they represent. Unless otherwise required by the Standard, dimensions, the selection of materials and their application remains the responsibility of the Design Authority.

The full text of the referenced requirements in the Standard may be read by using the blue hyperlinks
SBS Details

10.3.6.2.jpg

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
See available insulation products in the Accepted Materials section of this Manual.
(4) Insulation Overlay
Where required.
(5) Primary Membrane and Membrane Protection
(6) Mastic
As approved by manufacturer.
(7) Roof Drain Membrane Flashing
Onto primed drain flange or adhesive for non-bituminous flexible membrane systems. See also 11.2.1 General for membrane material requirements.

2 RELATED WORK BY OTHERS

(A) Acceptable Supporting Deck Structure
(B) Roof Drain Assembly
  • 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) in conjunction with the 15-minute rainfall value from the National Building Code, Appendix C.

NOTE: See the Standard for additional requirements.


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