SBS 10.3.1-1 Perimeter Membrane Termination (typical)
SBS 10.3.1-1 Perimeter Membrane Termination (typical)
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SBS Details
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1 WORK INCLUDED
- (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.
2 RELATED WORK BY OTHERS
- (A) Acceptable Supporting Deck Structure
- (B) Air and Vapour Control Layer Seal
- Sealed to wall.
- (C) Plywood
- (D) Reglet
- Purpose-made, installed prior to concrete placement or saw-cut.
- (E) Sloped Wood Blocking
- Required over 100 mm (4") parapet width.
NOTE: Refer to RoofStar Guarantee Standards for additional requirements.
Back to Standard for SBS-Modified Bitumen Membrane Systems