SBS 11.3.3.4 Sealant Pocket

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SBS 11.3.3.4 Sealant Pocket



Division D - Construction Details


SBS 11.3.3.4 Sealant Pocket

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

10.3.5.4.jpg

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
Mechanically fastened. See available insulation products in Division C of this Manual.
(4) Insulation Overlay
As required.
(5) Primary Membrane and Membrane Protection
(6) Compatible Mastic
Use only the membrane manufacturer's approved sealant.
(7) Sealant Pocket
Minimum 100 mm (4") flange onto roof membrane. All corners, with the exception of one job-site formed double standing seam corner joint and adjoining lapped flange joining, shall be closed and soldered. Minimum height of gum pan to be 100 mm (4").
(8) Membrane Flashing
Onto primed metal flashing flange.
(9) Packing
To prevent displacement of compatible mastic.
(10) Structural Sealant
Use only the membrane manufacturers’ approved proprietary polyurethane based structural sealant.
(11) Back-up Storm Collar
To be installed whenever practical. Caulk at top of collar.

2 RELATED WORK BY OTHERS

(A) Acceptable Supporting Deck Structure
(B) Protrusion
(C) Wood Blocking


  • WARNING: DO NOT USE THIS DETAIL WITH HOT PIPES.
  • AVOID THIS DETAIL: Wherever possible use Flanged Metal Stack Flashing or Curbed Opening.


NOTE: See the Standard for additional requirements.


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