SBS Curb for Multiple Penetrations

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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

1 WORK INCLUDED

(1) Supporting Deck Overlay

If required by design authority.

(2) Air or Vapour Control Layers

If required by design authority.

(3) Insulation

See available insulation products in the Accepted Materials section of this Manual.

(4) Insulation Overlay

As required.

(5) Primary Membrane and Membrane Protection

(6) Membrane Flashing

Mechanically fasten to top of curb (C).

(7) Base Metal Flashing

Mechanically fasten to top of curb, standing seam at corners of cant, optional on flexible membrane systems. Optional on flexible membrane systems. Required on assemblies using gravel ballast filter mats.

(8) Metal Counter Flashing

(9) Metal Hood

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2 RELATED WORK BY OTHERS

(A) Acceptable Supporting Deck Structure

(B) Air / Vapour Seal

(C) Curb

Minimum 200 mm (8") above finished roof surface.

NOTE: See the Standard for additional requirements.

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