Difference between revisions of "Draft CD 2"

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Difference between revisions of "Draft CD 2"

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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>SBS | Expansion Joint (Field) ([[SBS_Roof_Systems_Standard#10.3.6.1._Expansion_Joints | Article 10.3.6.1.]])</big></big></big></big></big>
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<big><big><big><big><big>EPDM | Metal Edge Termination ([[EPDM_Roof_Systems_Standard#10.3.4.2._Low_Profile_Edge | Article 10.3.4.2.]])</big></big></big></big></big>
 
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<div class="panel-heading"><big>'''SBS Details'''</big></div>
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<div class="panel-heading"><big>'''EPDM Details'''</big></div>
 
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[[File:Part 10 - SBS Expansion Joint (field).png|link=https://rpm.rcabc.org/images/3/3a/Part_10_-_SBS_Expansion_Joint_%28field%29.png | class=img-responsive]]
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[[File:10.3.2.3.-EPDM-B.png|class=img-responsive | link=https://rpm.rcabc.org/images/c/c6/10.3.2.3.-EPDM-B.png]]
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:Drawing NTS
 
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=== WORK INCLUDED ===
 
=== WORK INCLUDED ===
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;(1) [[SBS Roof Systems Standard#PART_10|'''Base sheet membrane flashing''']]: Waterproofs the expansion joint structure and provides a base layer for the control joint to bond material to bond with.
 
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;(2) [[SBS Roof Systems Standard#PART_10|'''Expansion joint (elastomeric product illustrated)''']]: This joint is proprietary to its manufacturer and will be fitted, manufactured, and installed, or supervised, by others.  Secure to substrate as required by manufacturer.
 
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;(3) '''Reinforced membrane strip''': Applied to cover the control joint and seal it to the base membrane system.
 
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;(4) [[SBS Roof Systems Standard#PART_10|'''Cap sheet membrane flashing''']]: Installed as required in Part 10 and applied as the second or third of a two or three-ply membrane system, providing required coverage above the finished roof system surface.  Smooth membrane is shown on parapet coping (may be granule-surfaced, depending on material specified).
 
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;(5) [[SBS Roof Systems Standard#PART_13|'''Metal cap (coping) flashing''']]: Fabricated and installed as required in Part 13.
 
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;(6) [[SBS Roof Systems Standard#PART_13|'''Metal counter-flashing''']]: The counter-flashing below the cap flashing is secured independently of the metal cap flashing to permit movement of the expansion joint assembly across the planes of anticipated structural movement.  Dimensions are project-specific.
 
  
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;(1) <big>Suitable field substrate</big>:
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:May be the [[EPDM Roof Systems Standard#PART_2| roof ''deck'']] or [[SBS Roof Systems Standard#PART_5 |''deck'' overlay]] (if an uninsulated system), or [[SBS Roof Systems Standard#PART_8| insulation and an overlay]] (if ''conventionally insulated'').
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;(2) <big>Primer or adhesive</big>:
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:For self-adhered or adhered membranes, as required by the ''manufacturer''.
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;(3) [[EPDM Roof Systems Standard#PART_9|<big>Field membrane</big>]]:
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:Carried continuously over the outside edge at least 50.8 mm (2”) downward, or 50.8 mm past any cold joint.
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;(4) [[EPDM Roof Systems Standard#PART_9|<big>Sealant</big>]]:
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:Applied on membrane, beneath metal edge flashing.
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;(4) <big>Sealant or mastic</big>:
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:Applied on membrane, beneath metal edge flashing.
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;(5) <big>[[EPDM Roof Systems Standard#PART_13| Metal edge flashing</big>]] (flush with roof surface):
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:Fasteners spaced no more than 203.2 mm (8”) on the top face in two offsetting rows.
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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) [[EPDM Roof Systems Standard#PART_10|<big>Edge sealant</big>]]:
  
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<hr>
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=== RELATED WORK BY OTHERS ===
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;(A) [[EPDM Roof Systems Standard#PART_2|<big>Structural Roof Deck</big>]]
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:Generic and representative only.
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;(B) [[EPDM Roof Systems Standard#PART_10|<big>Roof edge substrate</big>]]
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:Wood blocking, required for conventionally insulated roofs.
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;(C) <big>Wall assembly</big>
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:Generic and representative only.
  
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=== RELATED WORK BY OTHERS ===
 
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;(A) [[SBS Roof Systems Standard#PART_2|'''Acceptable deck''']]
 
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;(B) '''Expansion joint structure'''
 
 
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'''NOTE''': See the [[SBS Roof Systems Standard | '''Standard''']] for additional requirements.
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'''NOTE''': See the [[EPDM Roof Systems Standard | '''EPDM Roof Systems Standard''']] for additional requirements.
  
 
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<hr>
  
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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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[[EPDM Roof System Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''EPDM Roof System Details'']]
  
 
[[Main Page | <i class="fa fa-home fa"></i> Home]]
 
[[Main Page | <i class="fa fa-home fa"></i> Home]]
  
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Latest revision as of 21:58, 27 October 2025



Division D - Construction Details

EPDM | 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.

EPDM Details


10.3.2.3.-EPDM-B.png

Drawing NTS

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
Carried continuously over the outside edge at least 50.8 mm (2”) downward, or 50.8 mm past any cold joint.
(4) Sealant
Applied on membrane, beneath metal edge flashing.
(4) Sealant or mastic
Applied on membrane, beneath metal edge flashing.
(5) Metal edge flashing (flush with roof surface):
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).
(7) Edge sealant

2 RELATED WORK BY OTHERS

(A) 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 EPDM Roof Systems Standard for additional requirements.

Back to EPDM Roof System Details

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