SBS Expansion Joint (Wall)
SBS Expansion Joint (Wall)
1 WORK INCLUDED
(1) Vapour Retarder: The requirement for a vapour retarder is determined by the design authority. Optional terminations.
(2) Insulation
(3) Insulation Overlay: Where required.
(4) Primary Membrane and Membrane Protection
(5) Membrane Flashing: Mechanically fasten to top of wood blocking.
(6) Membrane Counter Flashing: Flashing sealed to wall with compatible mastic.
(7) Metal Base Flashing: Mechanically fasten to top of wood blocking (C). Optional on flexible membrane systems. Required on assemblies using gravel ballast filter mats. See RGC Guarantee Standard A6.9
(8) Metal Counter Flashing: Into reglet approximately 30 mm (1¼") and caulked.
(9) Caulking
(10) Membrane Underlay: Minimum self-adhered modified bitumen membrane. See RGC Guarantee Standard A5.6
(11) Metal Cap Flashing: Must overlap exterior wall finish. 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: Sealed to wall.
(C) Wood Blocking or Plywood: Height to provide minimum 200 mm (8") above completed roof system, slope top edge. As per RGC Guarantee Standard A1.5
(D) Flexible Insulation
(E) Reglet
(F) Sloped Wood Blocking
NOTE: Refer to RGC Guarantee Standards for additional requirements.