SBS Parapet-Wall Connection

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SBS Parapet-Wall Connection

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Division D - Construction Details

SBS | Parapet-Wall Connection ( Article

Notice to Reader
Images used in a Construction Detail are representative and not prescriptive, and are not necessarily drawn to scale. They are intended to support the related Standard (Ref. Division A, Article

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SBS Details

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Print Sheet


(1) Supporting Deck Overlay
If required by design authority.
(2) Air or Vapour Control Layers
If required by design authority.
(3) Insulation
See list of Accepted Materials.
(4) Insulation Overlay
As required.
(5) Primary Membrane and Membrane Protection
(6) Membrane Flashing (attachment & termination)
Mechanically fasten at terminations. At least one ply must extend over outside edge.
(7) Metal Base Flashing
Optional on flexible membrane systems. Required on assemblies using gravel ballast filter mats.
(8) Metal Cap Flashing
Must overlap exterior wall finish. Fasten with concealed clip-type fasteners or cladding screws evenly spaced between seams.
(9) Wall Tie-in
Minimum 2 mm (0.078") self-adhered modified bitumen or flexible membrane manufacturers approved detail.
(10)Metal Counter-flashing


(A) Acceptable Supporting Deck Structure
(B) Air and Vapour Control Layer Seal
(C) Acceptable Wall Surface
(D) Wood Blocking
(E) Sloped Wood Blocking
Required over 100 mm (4") parapet width.
(F) Wall Sheathing Membrane
Minimum 1 mm (0.040") self-adhered modified bitumen.
(G) Wall Cladding

NOTE: See the Standard for additional requirements.

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