Difference between revisions of "SBS Metal Edge Termination"

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Difference between revisions of "SBS Metal Edge Termination"

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| colspan="2"  | <big>'''''RoofStar Guarantee Standards''''' are <span style="color:#6495ed">'''blue-linked'''</span></big>
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<big><big>Division D - Construction Details</big></big>
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<big><big><big><big><big>SBS | Metal Edge Termination ([[SBS_Roof_Systems_Standard#10.3.4.2._Low_Profile_Edges | Article 10.3.4.2.]])</big></big></big></big></big>
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<div class="panel-heading"><big>'''SBS Details'''</big></div>
 
<div class="panel-heading"><big>'''SBS Details'''</big></div>
 
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[[File:10.3.2.2.jpg|class=img-responsive]]
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[[File:Part 10 - Construction Detail - Metal Edge Termination - SBS.png|class=img-responsive | link=https://rpm.rcabc.org/images/f/f1/Part_10_-_Construction_Detail_-_Metal_Edge_Termination_-_SBS.png]]
 
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=== WORK INCLUDED ===
 
=== WORK INCLUDED ===
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;(1) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSVAPOUR|'''Vapour Retarder''']]: If required by design authority
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;(1) [[SBS Roof Systems Standard#PART_9|'''Suitable field substrate''']]: May be the roof deck or deck overlay (if an uninsulated system), or insulation and an overlay (if conventionally insulated).
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;(2) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSINSULATION|'''Insulation''']]: See available insulation products in the [[Roof Deck Insulation|'''Accepted Materials''']] section of this Manual.
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;(2) '''Primer or adhesive''': For self-adhered or adhered membranes, as required by the ''manufacturer''.
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;(3) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSINSULATIONOVERLAY|'''Insulation Overlay Board''']]: Where required.
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;(3) [[SBS Roof Systems Standard#PART_9|'''Field Base Sheet Membrane''']]: Selected to conform to the requirements in [https://rpm.rcabc.org/index.php?title=SBS_Roof_Systems_Standard#9.2.1.1. Membrane Composition, Thickness, and Selection '''Table 9.2.1.1.'''] and conforming to the options or requirements in a ''Tested Assembly'', an ''Assembly with Proven Past Performance'', or a custom-engineered assembly.  Carried continuously over the outside edge and down the vertical face at least 50.8 mm (2”), or 50.8 mm past any cold joint.
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;(4) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSBASE|'''Primary Membrane and Membrane Protection''']]: Mechanically fasten to outside face of fascia (C).
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;(4) '''Sealant or mastic''': Applied to field base sheet membrane, beneath metal edge flashing.
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;(5) '''Mastic''': Trowel coating of compatible mastic.
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;(5) [[SBS Roof Systems Standard#PART_10 | '''Metal edge (flush) flashing''']]: Fasteners spaced no more than 203.2 mm (8”) on the top face in two offsetting rows.
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;(6) [[RoofStar Guarantee Standards for SBS Roof Systems#METALCAP-SBS|'''Metal Edge/Gravel-stop Flashing''']]: Minimum 100 mm (4") flange onto roof membrane, eave stop maximum 25 mm (1") high: embed in mastic and mechanically fasten alternately between centre and edge of flange at 100 mm (4") o/c; lap flashing 100 mm (4") minimum.
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:A hemmed drip edge (shown) is required (Refer to Article 13.2.2.1. for fabrication requirements).
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;(7) [[RoofStar Guarantee Standards for SBS Roof Systems#SBS-STRIPPING|'''Membrane Flashing''']]: Asphalt and gravel roofing systems, 2 overlapping plies of a minimum 2 mm reinforced SBS modified bitumen base sheet or minimum 180 g / m&#178; polyester felt. For flexible membrane systems, refer to manufacturer&#8217;s application details and ''RoofStar Guarantee Standards''.
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;(6) [[SBS Roof Systems Standard#PART_10 | '''Membrane flashing strip''']]: Applied to the metal edge flashing and overlapping onto the field membrane at least 101.6 mm (4”). Prime when required by the ''manufacturer'' (primer illustrated).
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;(8) '''Asphalt''':  For asphalt and gravel built-up roofing systems only.
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;(7) [[SBS Roof Systems Standard#PART_9|'''Field Cap Sheet Membrane''']]: Selected to conform to the requirements in [https://rpm.rcabc.org/index.php?title=SBS_Roof_Systems_Standard#9.2.1.1. Membrane Composition, Thickness, and Selection '''Table 9.2.1.1.'''] and conforming to the options or requirements in a ''Tested Assembly'', an ''Assembly with Proven Past Performance'', or a custom-engineered assembly. Installed according to '''Part 9''' requirements.
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;(9) '''Gravel''': For asphalt and gravel built-up roofing systems only.
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;(8) '''Edge mastic''': Apply mastic or another membrane-compatible sealant to the outer exposed edge of the field cap sheet membrane. Coat with granules.
  
 
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=== RELATED WORK BY OTHERS ===
 
=== RELATED WORK BY OTHERS ===
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;(A) [[RoofStar Guarantee Standards for SBS Roof Systems#SBSDECKS|'''Acceptable Deck''']]
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;(A) [[SBS Roof Systems Standard#PART_2|'''Supporting (Structural) Roof Deck''']]: Generic and representative only.
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;(B) <b>Wood Blocking</b>
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;(B) '''Roof edge substrate''': Wood blocking, required for conventionally insulated roofs.
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;(C) <b>Wood Fascia</b>
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;(C) '''Wall assembly''': Generic and representative only.
 
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'''NOTE''': Refer to '''''RoofStar Guarantee Standards''''' for additional requirements.
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'''NOTE''': See the [[SBS Roof Systems Standard | '''Standard''']] for additional requirements.
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[[SBS Roof System Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''"SBS" Roof System Details'']]
  
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[[Section:D. Application: Low Slope Roofs|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''SBS Application'']]
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[[SBS Construction Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''SBS Construction Details'']]
 
  
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Latest revision as of 23:10, 6 November 2025



Division D - Construction Details

SBS | Metal Edge Termination ( Article 10.3.4.2.)

Notice to Reader
Images used in a Construction Detail are representative and not prescriptive, and are not necessarily drawn to scale. They are intended to support the related Standard (Ref. Division A, Article 2.2.1.2.).

The reader may link to the related Article in the detail title, or link to the Standard as it relates to a specific element in the detail. All hyperlinks are displayed blue text.

SBS Details


Part 10 - Construction Detail - Metal Edge Termination - SBS.png

1 WORK INCLUDED

(1) Suitable field substrate
May be the roof deck or deck overlay (if an uninsulated system), or insulation and an overlay (if conventionally insulated).
(2) Primer or adhesive
For self-adhered or adhered membranes, as required by the manufacturer.
(3) Field Base Sheet Membrane
Selected to conform to the requirements in Membrane Composition, Thickness, and Selection Table 9.2.1.1. and conforming to the options or requirements in a Tested Assembly, an Assembly with Proven Past Performance, or a custom-engineered assembly. Carried continuously over the outside edge and down the vertical face at least 50.8 mm (2”), or 50.8 mm past any cold joint.
(4) Sealant or mastic
Applied to field base sheet membrane, beneath metal edge flashing.
(5) Metal edge (flush) flashing
Fasteners spaced no more than 203.2 mm (8”) on the top face in two offsetting rows.
A hemmed drip edge (shown) is required (Refer to Article 13.2.2.1. for fabrication requirements).
(6) Membrane flashing strip
Applied to the metal edge flashing and overlapping onto the field membrane at least 101.6 mm (4”). Prime when required by the manufacturer (primer illustrated).
(7) Field Cap Sheet Membrane
Selected to conform to the requirements in Membrane Composition, Thickness, and Selection Table 9.2.1.1. and conforming to the options or requirements in a Tested Assembly, an Assembly with Proven Past Performance, or a custom-engineered assembly. Installed according to Part 9 requirements.
(8) Edge mastic
Apply mastic or another membrane-compatible sealant to the outer exposed edge of the field cap sheet membrane. Coat with granules.

2 RELATED WORK BY OTHERS

(A) Supporting (Structural) Roof Deck
Generic and representative only.
(B) Roof edge substrate
Wood blocking, required for conventionally insulated roofs.
(C) Wall assembly
Generic and representative only.

NOTE: See the Standard for additional requirements.

Back to "SBS" Roof System Details

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