SBS Through-wall Scupper Drain
SBS Through-wall Scupper Drain
1 WORK INCLUDED
(1) Vapour Retarder: If required by design authority. (Optional terminations)
(2) Insulation: See list of accepted materials in Section 2.2.
(3) Insulation Overlay: Where required. See RGC Guarantee Standard B4.1, B4.2 and C4.1
(4) Primary Membrane and Membrane Protection
(5) 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) Metal Base 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 Deck
(B) Air / Vapour Seal
(C) Wood Blocking Assembly: Optional with insulation cant strips.
(D) Plywood: If required by design authority. See RGC Guarantee Standards
(E) Exterior 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 RGC Guarantee Standards for additional requirements.