SBS Curb for Multiple Penetrations
SBS Curb for Multiple Penetrations
1 WORK INCLUDED
(1) Gypsum Overlay Board: If required by design authority.
(2) Vapour Retarder: If required by design authority.
(3) Insulation
(4) Insulation Overlay: Where required. See RGC Guarantee Standard B4.1, B4.2 and C4.1
(5) Primary Membrane and Membrane Protection
(6) Membrane Flashing: Mechanically fasten to top of curb (C).
(7) Metal Base 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. See RGC Guarantee Standard A6.9
(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.