SBS Open-wall Scupper Drain

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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.).

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SBS Details

10.3.6.4.gif

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 section 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.


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