Difference between revisions of "SBS Metal Edge Termination"

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Difference between revisions of "SBS Metal Edge Termination"

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Revision as of 17:36, 5 December 2019

RoofStar Guarantee Standards are blue-linked
SBS Details

10.3.2.2.jpg


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1 WORK INCLUDED

(1) Air or Vapour Control Layers
If required by design authority
(2) Insulation
See available insulation products in the Accepted Materials section of this Manual.
(3) Insulation Overlay
Where required.
(4) Primary Membrane and Membrane Protection
Mechanically fasten to outside face of fascia (C).
(5) Mastic
Trowel coating of compatible mastic.
(6) Metal Edge/Gravel-stop Flashing
Flashing must have a minimum 100 mm (4") flange that extends onto roof base membrane. A flush termination is permissible and more common than a "gravel stop" (see 10.3.5.2 Metal Edge Terminations for application standards). Where a gravel-stop upstand is desirable (shown in the detail at left), it must not be higher than 25 mm (1") high.
Embed the flashing in mastic and mechanically fasten alternately between centre and edge of flange at 100 mm (4") O.C. Lengths of flashing may be joined end-to-end with an overlap no less than 100 mm (4").
(7) Membrane Flashing
Asphalt and gravel roofing systems, 2 overlapping plies of a minimum 2 mm reinforced SBS modified bitumen base sheet. For flexible membrane systems, refer to manufacturer’s application details and RoofStar Guarantee Standards.
(8) Asphalt
For asphalt and gravel built-up roofing systems only.
(9) Gravel
For asphalt and gravel built-up roofing systems only.

2 RELATED WORK BY OTHERS

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

NOTE: Refer to RoofStar Guarantee Standards for additional requirements.




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