SBS 10.3.1-2 Perimeter Membrane Termination (expansion joint)

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SBS 10.3.1-2 Perimeter Membrane Termination (expansion joint)



Division D - Construction Details


SBS 10.3.1-2 Perimeter Membrane Termination (expansion joint)

Notice to Reader
Images used in a Construction Detail are representative and not prescriptive. Nor are they necessarily drawn to scale. Rather, they are provided to visually convey the requirements of the Standard they represent. Unless otherwise required by the Standard, dimensions, the selection of materials and their application remains the responsibility of the Design Authority.

The full text of the referenced requirements in the Standard may be read by using the blue hyperlinks
SBS Details

10.3.3.2.jpg

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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. 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.
(8) Metal Counter-flashing
Into reglet approximately 30 mm (1¼") and caulked.
(9) Caulking
(10) Membrane Underlay
Minimum self-adhered modified bitumen membrane.
(11) Metal Cap Flashing
Must overlap exterior wall finish. 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) Wood Blocking
Height to provide minimum 200 mm (8") above completed roof system, slope top edge.
(D) Flexible Insulation
(E) Reglet
(F) Sloped Wood Blocking

NOTE: See the Standard for additional requirements.


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