SBS Flanged Insert Drain

RoofStar Guarantee Standards are blue-linked

SBS Details

(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.

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) in conjunction with the 15-minute rainfall value from the National Building Code, Appendix C.