SBS 10.3.2.-1 Perimeter Membrane Termination (typical)

Division D - Construction Details

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SBS Details

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(1) Air or Vapour Control Layers: The requirement for a vapour retarder is determined by the design authority.
(2) Insulation: See available insulation products in the Accepted Materials section of this Manual.
(3) Insulation Overlay: Where required.
(4) Primary Membrane and Membrane Protection
(5) Membrane Flashing: Mechanically fasten to inside of plywood.
(6) Membrane Counter-flashing: Flashing sealed to wall with compatible mastic.
(7) Metal Base Flashing: Optional on flexible membrane systems. Required on assemblies using gravel ballast filter mats.
(8) Metal Counter-flashing: Into reglet approximately 30 mm (1 ¼") and caulked.
(9) Caulking
(10) Membrane Underlay: Minimum self-adhered modified bitumen membrane.
(11) Metal Cap Flashing: Fasten with continuous concealed clip-type fasteners or cladding screws evenly spaced between seams.

NOTE: See the Standard for additional requirements.

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