SBS Through-wall Scupper Drain

1 WORK INCLUDED

(1) Vapour Retarder

If required by design authority.

(2) Insulation

See available insulation products in the Accepted Materials section of this Manual.

(3) Insulation Overlay Board

Where required.

(4) Primary Membrane and Membrane Protection

(5) Base Sheet 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").

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2 RELATED WORK BY OTHERS

(A) Acceptable Deck

(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: Refer to RoofStar Guarantee Standards for additional requirements.

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