SBS Expansion Joint (Wall)

RoofStar Guarantee Standards are blue-linked

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. 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.

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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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