SBS Parapet (Independent of Roof Structure)
SBS Parapet (Independent of Roof Structure)
1 WORK INCLUDED
(1) Gypsum Overlay Board: If required by design authority.
(2) Vapour Retarder: If required by design authority.
(3) Insulation: See list of accepted materials in Section 2.2.
(4) Insulation Overlay: As required. See RGC Guarantee Standard B4.1, B4.2 and C4.1
(5) Primary Membrane and Membrane Protection
(6) Membrane Flashing: Mechanically fasten to outside face of parapet blocking (F). Do not mop outside edge. At least one ply must extend over outside edge. See RGC Guarantee Standard A5.6
(7) Metal Base Flashing: Optional on flexible membrane systems. Required on assemblies using gravel ballast filter mats. See RGC Guarantee Standard A6.9
(8) Metal Cap Flashing: Flashings 7 and 8 may be one piece. See RGC Guarantee Standard A6.9 Fasten with continuous concealed clip-type fasteners or cladding screws evenly spaced between seams. See RGC Guarantee Standard A6.10 for requirements.
2 RELATED WORK BY OTHERS
(A) Acceptable Deck
(B) Air / Vapour Seal
(C) Acceptable Wall Surface
(D) Wood Blocking
(E) Flexible Insulation
(F) Sloped Wood Blocking: Required over 100 mm (4") parapet width. See RGC Guarantee Standard A6.9
NOTE: Refer to RGC Guarantee Standards for additional requirements.