SBS Plumbing Vent (Conventional Roof System)

1 WORK INCLUDED

(1) Gypsum Overlay Board: If required by design authority.

(2) Vapour Retarder: If required by design authority.

(3) Insulation: See list of accepted materials in Section 2.2.

(4) Insulation Overlay: As required. See RGC Guarantee Standard B4.1, B4.2 and C4.1

(5) Primary Membrane and Membrane Protection

(6) Mastic: As approved by manufacturer.

(7) Membrane Flashing: Onto primed metal flashing flange or adhesive coated for non-bituminous flexible membrane systems.

(8) Storm Collar, Typical Lead Cap or Typical Aluminum Cap: Reroofing only. Non- bituminous flexible membrane skirt collar, sealed with compatible sealant and stainless steel hose clamps for use with pipes that extend above flashings.

2 RELATED WORK BY OTHERS

(A) Acceptable Deck

(B) Plumbing Stack: Extend to match top of metal flashing.

(C) Wood Blocking: Optional.

(D) Metal Flashing: Apply in a bed of mastic. Fastened over membrane to wood blocking or roof deck.

(E) Typical Aluminum Cap: For use with aluminum flashings.

(F) Typical Lead Cap: For use with lead flashings.

(G) Storm Collar: Non-Bituminous flexible membrane skirt collar, sealed with compatible sealant and stainless steel hose clamp. Use with pipes that extend above flashings.

NOTE

• Refer to RGC Guarantee Standards for additional requirements
• Aluminum flashings required for torch-applied roof systems.

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