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>'''''Notice to Reader'''''</big>
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| style="color: black; background-color: #ffffcc; width: 100%;text-align:center" | Images used in a Construction Detail are representative and <u>not intended in their representation of an assembly to be prescriptive</u>. Nor are they necessarily drawn to scale. Rather, they are provided to visually convey the Standards, Guiding Principles and Recommendations of the '''RoofStar Guarantee Standards''' for a Waterproofing or Water-shedding System. Actual design with respect to dimensions, the selection of materials and their application remains the responsibility of the ''Design Authority''.<br><br>The full text of applicable '''''RoofStar Guarantee Standards''''' may be read by using the <span style="color:#6495ed">'''blue hyperlinks'''</span>
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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:SBS 10.3.5.2 Metal Edge Termination.jpg|class=img-responsive | link=http://rpm.rcabc.org/images/f/f8/SBS_10.3.5.2_Metal_Edge_Termination.jpg]]
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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) Primer: For self-adhered or torch-applied base membranes, as required by the membrane manufacturer.
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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 Modified Bitumen Membrane Systems#MEMB_FIELD_MATERIALS|'''Base Membrane (field)''']]: Torch-applied, adhered, self-adhered (as illustrated), or mechanically attached (subject to deck type and wind uplift design requirements). See Tables '''9.1''' and '''9.2''' for acceptable membrane types and securement options.  See '''9.3''' for application requirements.
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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 Modified Bitumen Membrane Systems#MEMB_PERIM_LOW_EDGE|'''Mastic''']]: Applied beneath metal edge flashing. Refer to '''10.3.5.2''' ('''3''')('''2''').
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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 Modified Bitumen Membrane Systems#LINEAR_M_EDGE|'''Metal Edge Flashing''']]: See '''13.3.2 Fabrication''' for manufacturing requirements. See also '''10.3.5.2 Metal Edge Terminations''' for application standards and securement.  Hemmed edges are required; a kicked-out drip edge is optional but recommended (cf. '''13.1.2.2''' ('''10''')).
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;(4) '''Sealant or mastic''': Applied to field base sheet membrane, beneath metal edge flashing.
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;(5) [[RoofStar Guarantee Standards for SBS Modified Bitumen Membrane Systems#MEMB_PERIM_APPLICATION|'''Base Membrane (flashing)''']]: Applied to overlap metal flashing and the field base membrane.
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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 Modified Bitumen Membrane Systems#MEMB_PERIM_APPLICATION|'''Cap Membrane (field)''']]: Installed according to '''Part 9''' standards and sealed along the exposed edge with an un-tooled bead of membrane compatible sealant (cf. '''10.3.5.2''' ('''3''')('''7''')('''2''')).
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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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;(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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;(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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;(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) Acceptable Substrate: Representative
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;(A) [[SBS Roof Systems Standard#PART_2|'''Supporting (Structural) Roof Deck''']]: Generic and representative only.
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;(B) Wall Assembly: Representative
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;(B) '''Roof edge substrate''': Wood blocking, required for conventionally insulated roofs.
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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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[[RoofStar Guarantee Standards for SBS Modified Bitumen Membrane Systems |<i class="fa fa-chevron-circle-left fa" ></i> Back to ''RoofStar Guarantee Standards for SBS Modified Bitumen Membrane Systems'']]
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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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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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