SBS Through-wall Scupper Drain

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SBS Through-wall Scupper Drain

Revision as of 18:15, 27 October 2023 by James Klassen (talk | contribs) (WORK INCLUDED)
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Division D - Construction Details


SBS | Through-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

10.3.6.5.jpg

1 WORK INCLUDED

(1) Air or Vapour Control Layers
If required by design authority.
(2) Insulation
See available insulation products in the Accepted Materials Division of this Manual.
(3) Insulation Overlay
Where required.
(4) Primary Membrane and Membrane Protection
(5) Base Membrane Flashing
(6) Metal Scupper with Hopper
The outside face of scupper to be minimum 37.7mm (1½") lower than the box height with a 12.7mm (½") drip edge. Installed in a 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).
(7) Mastic
Compatible with membrane
(8) Scupper Membrane Flashing
(9) Base Metal Flashing
Mechanically fastened (optional on flexible membrane systems).
(10)Metal Counter-flashing
Into reglet approximately 30 mm (1 ¼").

2 RELATED WORK BY OTHERS

(A) Acceptable Supporting Deck Structure
(B) Air / Vapour Seal
(C) Wood Blocking
Optional with insulation cant strips.
(D) Plywood
If required by design authority. See the RoofStar Guarantee Standards.
(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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