Difference between revisions of "SBS Tall Parapet"

Revision as of 16:37, 13 January 2017

RoofStar Guarantee Standards are blue-linked

SBS Details

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(1) Gypsum Deck Overlay: If required by design authority.
(2) Vapour Retarder: If required by design authority.
(3) Insulation: See available insulation products in the Accepted Materials section of this Manual.
(4) Insulation Overlay Board: As required.
(5) Primary Membrane and Membrane Protection
(6) Base Sheet Flashing: Mechanically fasten to parapet at termination.
(7) Base Metal Flashing: Optional on flexible membrane systems. Required on assemblies using gravel ballast filter mats. See Section 13.6 - Cap Flashings, Base Flashings and Reglets.
(8) Metal Counter Flashing: Minimum 250 mm (10") above roof surface.
(9) Metal Cap Flashing: Required whenever the primary roof membrane flashing/stripping is carried over the top of parapet walls. See Section 13.6 - Cap Flashings, Base Flashings and Reglets.

(A) Acceptable Deck
(B) Air / Vapour 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) Exterior Wall Finish
(H) Metal Cap Flashing: Required by others whenever the primary roof membrane is not carried over top of the parapet and/or when the wall finish is by others. (Unless specified otherwise).
(I) Cap Flashing Underlay: Minimum 1 mm (0.040" or 40 mil) self-adhered modified bitumen.

NOTE: Refer to RoofStar Guarantee Standards for additional requirements.

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