Template:Deck Overlay - SBS - Revision history

James Klassen: /* Steel */

2017-10-24T20:28:54Z

‎Steel

James Klassen: /* Wood */

2017-10-18T22:14:31Z

‎Wood

James Klassen: /* Steel */

2017-01-26T22:14:55Z

‎Steel

James Klassen: /* Wood */

2016-11-10T21:54:34Z

‎Wood

James Klassen: /* Steel */

2016-11-10T21:50:37Z

‎Steel

James Klassen: /* Material Selection */

2016-10-21T18:31:26Z

‎Material Selection

James Klassen: /* Material Selection */

2016-10-17T21:04:48Z

‎Material Selection

James Klassen: /* Wood */

2016-10-17T18:14:03Z

‎Wood

James Klassen: /* Steel */

2016-10-17T18:13:41Z

‎Steel

James Klassen: /* Wood */

2016-10-17T18:13:11Z

‎Wood

@@ Line 32: / Line 32: @@
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-|+ Minimum fasteners using Screws and/or Plastic or Steel Stress Plates
+|+ Minimum fasteners using Screws only or Screws in combination with Plastic or Steel Stress Plates
 |-
 ! | Thickness

@@ Line 51: / Line 51: @@
 . An RoofStar-approved separation sheet, minimum 40-lb asphalt coated fibre glass base sheet conforming to CAN/ CSA A123.16 - M88 (R1996), Type II or manufacturer’s accepted base sheet of equal or greater weight and reinforcement, or RoofStar-accepted rigid insulation / overlay board mechanically attached or semi-adhered membrane (spot or strips) is required over non-veneer panels before fully adhered roofing membrane is applied.
-<p class="principles">2. Direct torch (open flame) membrane applications to wood decks and wood surfaces is NOT permitted. For further development of this policy, refer to [[SBS Special Applications |'''SBS Application & Safety: Best Practices''']]</p>
+<p class="principles">2. Direct torch (open flame) membrane applications to wood decks and wood surfaces is NOT permitted. For further development of this policy, refer to '''Best Practices''' in [[SBS Special Applications |'''SBS Special Applications''']]</p>
 . Fully adhering modified bituminous membranes directly to wood decks is not permitted.

@@ Line 23: / Line 23: @@
 ====Steel====
+. When a membrane is specified for application directly over a steel deck, the '''''RoofStar Guarantee Standards''''' require a steel deck overlay of gypsum with fibreglass facers and a silicone treated gypsum core (see min. standards below), or plywood having a minimum thickness of 12.7 mm (½"). Where an underlay is used as a thermal barrier, it must conform to the applicable code and insurance requirements for the roof assembly and be fully supported by the deck.
 . Gypsum boards installed over steel decks as substrates for primary roof membranes <b><u>must</u></b> be a minimum thickness of 12.7 mm (½") RoofStar-accepted overlay boards. All edges of the gypsum board are to be fully or intermittently supported by the deck and end joints to be staggered (offset) 300 mm (12") from adjacent board rows. A minus offset tolerance of 50 mm (2") maximum will be permitted to compensate for variance in the manufacturer's tolerance of differing board widths and lengths.

@@ Line 52: / Line 52: @@
 . An RoofStar-approved separation sheet, minimum 40-lb asphalt coated fibre glass base sheet conforming to CAN/ CSA A123.16 - M88 (R1996), Type II or manufacturer’s accepted base sheet of equal or greater weight and reinforcement, or RoofStar-accepted rigid insulation / overlay board mechanically attached or semi-adhered membrane (spot or strips) is required over non-veneer panels before fully adhered roofing membrane is applied.
-<p class="principles">2. Direct torch (open flame) membrane applications to wood decks and wood surfaces is NOT permitted. For further development of this policy, refer to SBS Application & Safety: Best Practices.</p>
+<p class="principles">2. Direct torch (open flame) membrane applications to wood decks and wood surfaces is NOT permitted. For further development of this policy, refer to [[SBS Special Applications |'''SBS Application & Safety: Best Practices''']]</p>
 . Fully adhering modified bituminous membranes directly to wood decks is not permitted.

@@ Line 24: / Line 24: @@
 ====Steel====
-. When a membrane is specified for application directly over a steel deck, the RoofStar Guarantee Standards require a steel deck overlay of gypsum with fibreglass facers and a silicone treated gypsum core (see min. standards below), or plywood having a minimum thickness of 12.7 mm (½"). Where an underlay is used as a thermal barrier, it must conform to the applicable code and insurance requirements for the roof assembly.
+. When a membrane is specified for application directly over a steel deck, the '''''RoofStar Guarantee Standards''''' require a steel deck overlay of gypsum with fibreglass facers and a silicone treated gypsum core (see min. standards below), or plywood having a minimum thickness of 12.7 mm (½"). Where an underlay is used as a thermal barrier, it must conform to the applicable code and insurance requirements for the roof assembly.
 . Gypsum boards installed over steel decks as substrates for primary roof membranes <b><u>must</u></b> be a minimum thickness of 12.7 mm (½") RoofStar-accepted overlay boards. All edges of the gypsum board are to be fully or intermittently supported by the deck and end joints to be staggered (offset) 300 mm (12") from adjacent board rows. A minus offset tolerance of 50 mm (2") maximum will be permitted to compensate for variance in the manufacturer's tolerance of differing board widths and lengths.
@@ Line 46: / Line 46: @@
 |}
-. When gypsum board is used under mechanically fastened insulation, the gypsum board must be fastened independently from the insulation. The minimum number of fasteners(screws or screws and plate) is four (4) per sheet.  Adhesive systems must meet or exceed the CSA A123.21 requirements (current edition) for the building dimensions and geographical location.
+. When gypsum board is used under mechanically fastened insulation, the gypsum board must be fastened independently from the insulation. The minimum number of fasteners(screws or screws and plate) is four (4) per sheet.  When applicable, adhesive systems must meet or exceed the CSA A123.21 requirements (current edition) for the building dimensions and geographical location.
 ====Wood====

@@ Line 10: / Line 10: @@
 <p class="principles">On steel framed walls, it is acceptable to use gypsum overlay boards accepted for the '''''RoofStar Guarantee Program''''', provided the gypsum board has a minimum thickness of 12 mm (½") or fibre-mat reinforced cement boards with a minimum thickness of 9.5 mm (⅜") that conform to ASTM C1325-04.</p>
-See [[Roof Deck Overlay Board|'''Accepted Deck Overlay Board'''s]] for '''''RoofStar Guaranteed''''' roof systems.
+See [[Roof Deck Overlay Board|'''Accepted Deck Overlay Boards''']] for '''''RoofStar Guaranteed''''' roof systems.
 ===Application: Decks===

@@ Line 8: / Line 8: @@
 Gypsum boards on vertical surfaces must be a RoofStar-accepted overlay boards with water resistant properties.
-<p class="principles">On steel framed walls, it is acceptable to use gypsum overlay boards accepted for the Guarantee Program, provided the gypsum board has a minimum thickness of 12 mm (½") or fibre-mat reinforced cement boards with a minimum thickness of 9.5 mm (⅜") that conform to ASTM C1325-04.</p>
+<p class="principles">On steel framed walls, it is acceptable to use gypsum overlay boards accepted for the '''''RoofStar Guarantee Program''''', provided the gypsum board has a minimum thickness of 12 mm (½") or fibre-mat reinforced cement boards with a minimum thickness of 9.5 mm (⅜") that conform to ASTM C1325-04.</p>
-See [[Roof Deck Overlay Board|'''Accepted Deck Overlay Board'''s]] for RoofStar Guaranteed roof systems.
+See [[Roof Deck Overlay Board|'''Accepted Deck Overlay Board'''s]] for '''''RoofStar Guaranteed''''' roof systems.
 ===Application: Decks===

@@ Line 30: / Line 30: @@
 . When gypsum board is required on steel decks as a substrate overlay, the gypsum board can be fully mechanically fastened to the deck or adhered with proprietary polyurethane foam adhesives acceptable to the primary roof system manufacturer.  Attachment must meet or exceed the CSA A123.21-14 requirements for the building dimensions and geographical location.
-RGC maximum deck flute width and minimum fastener requirements for gypsum board in a deck overlay application are as follows:
+Maximum deck flute width and minimum fastener requirements for gypsum board in a deck overlay application are as follows:
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