SBS Open-wall Scupper Drain
SBS Open-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) 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) Metal Base Flashing: Mechanically fastened. Optional on flexible membrane systems. Required on assemblies using gravel ballast filter mats. See RGC Guarantee Standard A6.9
(9) Metal Cap Flashing: Fasten with continuous concealed clip-type fasteners or cladding screws evenly spaced between seams. See RGC Guarantee Standard A6.10 for requirements. Flashing 8 and 9 may be one piece.
2 RELATED WORK BY OTHERS
(A) Acceptable Deck
(B) Air / Vapour Seal
(C) Wood Blocking Assembly
(D) Plywood: If required by design authority. See RGC Guarantee Standard A1.5
(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.