SBS Curb for Multiple Penetrations
SBS Curb for Multiple Penetrations
1 WORK INCLUDED
- (1) Gypsum Deck Overlay
- If required by design authority.
- (2) Vapour Retarder
- If required by design authority.
- (3) Insulation
- See available insulation products in the Accepted Materials section of this Manual.
- (4) Insulation Overlay Board
- As required.
- (5) Primary Membrane and Membrane Protection
- (6) Membrane Flashing
- Mechanically fasten to top of curb (C).
- (7) Base Metal Flashing
- Mechanically fasten to top of curb, standing seam at corners of cant, optional on flexible membrane systems. Optional on flexible membrane systems. Required on assemblies using gravel ballast filter mats.
- (8) Metal Counter Flashing
- (9) Metal Hood
2 RELATED WORK BY OTHERS
- (A) Acceptable Deck
- (B) Air / Vapour Seal
- (C) Wood Blocking/Curb
- Minimum 200 mm (8") and maximum 300 mm (12") above finished roof surface.
NOTE: Refer to RGC Guarantee Standards for additional requirements.