Difference between revisions of "TPO Metal Edge Termination"

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Difference between revisions of "TPO Metal Edge Termination"

 
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<big><big>Division D - Construction Details</big></big>
 
<big><big>Division D - Construction Details</big></big>
 
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<big><big><big><big><big>TPO | Metal Edge Termination</big></big></big></big></big>
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<big><big><big><big><big>TPO | Metal Edge Termination ([[EPDM_Roof_Systems_Standard#10.3.4.2._Low_Profile_Edges | Article 10.3.4.2.]])</big></big></big></big></big>
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{| class="wikitable" | style="color: black; background-color: orange; width: 100%;text-align:center"
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{{Template:Construction Details Header}}
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| colspan="2"  | <big>'''''Notice to Reader'''''</big>
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<div class="panel-heading"><big>'''TPO Details'''</big></div>
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| style="color: black; background-color: #ffffcc; width: 100%;text-align:center" | Images used in a Construction Detail are representative and not prescriptive.  Nor are they necessarily drawn to scale. Rather, they are provided to visually convey the requirements of the Standard they represent. Unless otherwise required by the Standard, dimensions, the selection of materials and their application remains the responsibility of the ''Design Authority''.<br><br>The full text of the referenced requirements in the [[SBS Roof Systems Standard | '''Standard''']] may be read by using the <span style="color:#6495ed">'''blue hyperlinks'''</span>
 
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<div class="panel-heading"><big>'''TPO / PVC Details'''</big></div>
 
 
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[[File:Part 10 - Construction Detail - Metal Edge Termination - TPO.png|class=img-responsive | link=https://rpm.rcabc.org/images/b/be/Part_10_-_Construction_Detail_-_Metal_Edge_Termination_-_TPO.png]]
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=== WORK INCLUDED ===
 
=== WORK INCLUDED ===
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;(1) [[RoofStar Guarantee Standards for TPO/PVC Roof Assemblies#TPOVAPOUR|'''Vapour Retarder''']]: If required by design authority.
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;(1) [[TPO 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 TPO/PVC Roof Assemblies#TPOINSULATION|'''Insulation''']]: Mechanically fastened where deck type permits, or fully adhered (as illustrated). Installed according to ''RoofStar Guarantee Standards''. 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 TPO/PVC Roof Assemblies#TPOADHESIVE|'''Adhesive''']]: Proprietary, installed according to manufacturer’s instructions, usually brushed, rolled or sprayed (3A: 2- part low rising insulation adhesive, specifically used to bond insulation and cover boards)
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;(3) [[TPO Roof Systems Standard#PART_9|'''Field 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 TPO/PVC Roof Assemblies#TPOMEMBRANE|'''Single-ply Membrane''']]: Installed according to manufacturer’s instructions and RoofStar Guarantee Standards.
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;(4) '''Sealant''': Applied to membrane, beneath metal edge flashing.
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;(5) [[RoofStar Guarantee Standards for TPO/PVC Roof Assemblies#TPOLAP|'''Membrane Lap''']]: Thermoplastic membrane may be welded or chemically bonded.
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;(5) [[TPO 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 TPO/PVC Roof Assemblies#TPOEDGE|'''Edge Flashing''']]: Proprietary, coated with membrane material and heat-welded to the primary (field) membrane
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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) '''Fascia Flashing Clip''': Affixed to the fascia material (installed by others) with fasteners O.C. 300 mm (12”)
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;(6) [[TPO Roof Systems Standard#PART_10 | '''TPO vertical membrane flashing strip''']]: Heat-welded TPO strip, or pressure-sensitive strip, to the metal edge flashing at butt joints, overlapping joint by at least 101.6 mm (4”) on either side. Membrane strip must be applied over joints before top membrane flashing strip (7) is applied.
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;(8) [[RoofStar Guarantee Standards for TPO/PVC Roof Assemblies#TPOFASCIA|'''Fascia Flashing''']]: Manufactured to RoofStar Guarantee Standards for sheet metal flashings
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;(7) [[TPO Roof Systems Standard#PART_10 | '''TPO horizontal membrane flashing strip''']]: Heat-welded to the top face of the edge metal flashing and welded to the field membrane; the membrane must overlap both the metal and the field membrane by no less than 101.6 mm (4”).
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;(9) [[RoofStar Guarantee Standards for TPO/PVC Roof Assemblies#TPOSTRIPPING|'''Membrane Flashing''']]: Adhered according to manufacturer’s printed specifications using proprietary adhesive.  Must be carried to the outside of the parapet or vertically to a minimum of 200 mm (8”) above the finished roof surface.  Welded or adhered to primary membrane depending on membrane type.
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;(7) '''Edge sealant''': Must be applied to cut edges, as required by the ''manufacturer''.
  
 
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=== RELATED WORK BY OTHERS ===
 
=== RELATED WORK BY OTHERS ===
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;(A) [[RoofStar Guarantee Standards for TPO/PVC Roof Assemblies#TPODECKS|'''Acceptable Deck''']]
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;(A) [[TPO Roof Systems Standard#PART_2|'''Supporting (Structural) Roof Deck''']]: Generic and representative only.
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;(B) [[RoofStar Guarantee Standards for TPO/PVC Roof Assemblies#TPOWALLSUB|'''Acceptable Parapet Surface''']]: Surface must be smooth, dry and clean. Rough surface must be covered with treated plywood, to be determined by design authority or inspector or as required by manufacturer.
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;(B) '''Roof edge substrate''': Necessary for securing screw fasteners. Generic and representative only.
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;(C) [[RoofStar Guarantee Standards for TPO/PVC Roof Assemblies#TPOWOODBLOCKING|'''Edge Blocking''']]
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;(C) '''Wall assembly''': Generic and representative only.
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;(D) '''Fascia Material'''
 
 
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'''NOTE''': Refer to '''''RoofStar Guarantee Standards''''' for additional requirements.
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'''NOTE''': See the [[TPO Roof Systems Standard | '''Standard''']] for additional requirements.
  
 
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[[TPO Roof System Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''TPO Roof System Details'']]
  
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[[RoofStar Guarantee Standards for TPO/PVC Roof Assemblies|<i class="fa fa-chevron-circle-left fa" ></i> RoofStar Guarantee Standards for TPO/PVC Roof Assemblies]]
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[[RCABC Roofing Practices Manual | <i class="fa fa-home fa"></i> Home]]
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[[TPO, PVC (Thermoplastic Membranes) Construction Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''TPO/PVC Construction Details'']]
 
  
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[[Construction Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''Construction Details'']]
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Latest revision as of 23:14, 6 November 2025



Division D - Construction Details

TPO | 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.

TPO Details


Part 10 - Construction Detail - Metal Edge Termination - TPO.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 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
Applied to 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) TPO vertical membrane flashing strip
Heat-welded TPO strip, or pressure-sensitive strip, to the metal edge flashing at butt joints, overlapping joint by at least 101.6 mm (4”) on either side. Membrane strip must be applied over joints before top membrane flashing strip (7) is applied.
(7) TPO horizontal membrane flashing strip
Heat-welded to the top face of the edge metal flashing and welded to the field membrane; the membrane must overlap both the metal and the field membrane by no less than 101.6 mm (4”).
(7) Edge sealant
Must be applied to cut edges, as required by the manufacturer.

2 RELATED WORK BY OTHERS

(A) Supporting (Structural) Roof Deck
Generic and representative only.
(B) Roof edge substrate
Necessary for securing screw fasteners. Generic and representative only.
(C) Wall assembly
Generic and representative only.

NOTE: See the Standard for additional requirements.

Back to TPO Roof System Details

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