SBS Open-wall Scupper Drain
SBS Open-wall Scupper Drain
Division D - Construction Details
SBS | Open-wall Scupper Drain ( Article 11.3.3.7.)
| Notice to Reader | |
| Images used in a Construction Detail are representative and not prescriptive, and are not necessarily drawn to scale. They are intended to support the related Standard (Ref. Division A, Article 2.2.1.2.).
The reader may link to the related Article in the detail title, or link to the Standard as it relates to a specific element in the detail. All hyperlinks are displayed blue text. | |
SBS Details
1 WORK INCLUDED
- (1) Air or Vapour Control Layers
- If required by design authority.
- (2) Insulation
- Mechanically fastened. See available insulation products in the Accepted Materials Division of this Manual.
- (3) Insulation Overlay
- Where required.
- (4) Primary Membrane and Membrane Protection
- (5) Metal Scupper with Hopper
- The outside face of scupper to be 37.7mm (1½") lower than the box height with a 12.7mm (½") drip edge. Installed in a thin bed of compatible mastic. Interface between outside wall and scupper should be caulked with appropriate sealant. Installed when wall finish is complete prior to completion of roofing or sheet metal (e.g.: re-roofing).
- (6) Scupper Membrane Flashing
- (7) Membrane Flashing
- (8) Base Metal Flashing
- Mechanically fastened. Optional on flexible membrane systems. Required on assemblies using gravel ballast filter mats.
- (9) Metal Cap Flashing
- Fasten with continuous concealed clip-type fasteners or cladding screws evenly spaced between seams. Flashing 8 and 9 may be one piece.
2 RELATED WORK BY OTHERS
- (A) Acceptable Supporting Deck Structure
- (B) Air / Vapour Seal
- (C) Wood Blocking
- (D) Acceptable Wall Surface - Plywood
- Conform to the requirements for Walls in 2.6.2 Materials.
- (E) Wall Finish
- Interface between outside wall and scupper to be caulked with appropriate sealant. Installed by trade responsible for outside wall finish if roofing and metal flashing has been completed prior to exterior wall finish.
NOTE: See the Standard for additional requirements.
Back to "SBS" Roof System Details
© RCABC 2024
RoofStarTM is a registered Trademark of the RCABC.
No reproduction of this material, in whole or in part, is lawful without the expressed permission of the RCABC Guarantee Corp.