Difference between revisions of "Draft CD 1"

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Difference between revisions of "Draft CD 1"

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<big><big>Division D - Construction Details</big></big>
 
<big><big>Division D - Construction Details</big></big>
 
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<hr>
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<big><big><big><big><big>SBS | Parapet (Typical) ([[SBS_Roof_Systems_Standard#10.3.2.3._General Application Requirements for Perimeters and Walls | Article 10.3.2.3.]]; [[SBS_Roof_Systems_Standard#10.3.4.1._Parapets | Article 10.3.4.1.]])</big></big></big></big></big>
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<big><big><big><big><big>EPDM | Membrane Termination A (Wall) ([[EPDM_Roof_Systems_Standard#10.3.2.3._General_Application_Requirements_for_Perimeters_and_Walls | Article 10.3.2.3.]])</big></big></big></big></big>
 
{{Template:Construction Details Header}}
 
{{Template:Construction Details Header}}
 
<div class="panel panel-success">
 
<div class="panel panel-success">
 
<div class="panel-heading"><big>'''SBS Details'''</big></div>
 
<div class="panel-heading"><big>'''SBS Details'''</big></div>
 
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<div class="col-md-7">
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<div class="col-md-6">
 
<div style="text-align:center; vertical-align:center">
 
<div style="text-align:center; vertical-align:center">
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<big>Use arrows to scroll through related images (A, B, and C). Click any image to expand.</big>
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[[File:SBS 10.3.5.3 Cant Edge (1).jpg|class=img-responsive | link=http://rpm.rcabc.org/images/e/ea/SBS_10.3.5.3_Cant_Edge_%281%29.jpg]]
 
</div>
 
</div>
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<gallery mode="slideshow">
 
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Part 10 - SBS Parapet A1.png | Drawing A1
 
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Part 10 - SBS Parapet A2.png | Drawing A2
 
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Part 10 - SBS Parapet B,C.png | Drawings B and C
 
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</gallery>
 
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=== WORK INCLUDED ===
 
=== WORK INCLUDED ===
  
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;(1) [[SBS Roof Systems Standard#PART_10|'''Base sheet membrane flashing''']]:  
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;(1) [[EPDM Roof Systems Standard#PART_6|<big>Air/Vapour Control Layers</big>]]:  
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:On ''standard parapets'' (609.6 mm (24”) or less in height), install continuous base membrane flashing, from the roof field to outer face of the parapet top.  The machine direction of the membrane shall be oriented vertically. Carry membrane flashing in one piece over the top and down the exterior face as required in Article 10.3.2.3.
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:As specified by the Design Authority and installed to provide continuity for optimal control.
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;(2) [[EPDM Roof Systems Standard#PART_7|<big>Insulation</big>]]:
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:Installed in keeping with Section 7.3.  Multiple layering illustrated; layers must be offset and staggered at least 304.8 mm (12”) in each direction.
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;(3) [[EPDM Roof Systems Standard#PART_8|<big>Insulation Overlay Panel</big>]]:
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:Required for fully adhered membrane systems or when overburden is specified.  Panels must be offset and staggered from underlying insulation panels.
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;(4) [[EPDM Roof Systems Standard#PART_9|<big>Field Membrane</big>]]:
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:See Table 9.2. for permissible application methods and corresponding membrane properties.  Membrane must be installed according to the requirements in Section 9.3.
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;(5) [[EPDM Roof Systems Standard#PART_10|<big>Edge Securement</big>]]:
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:Proprietary to the membrane manufacturer.  Edge securement is required, irrespective of how the membrane is applied (i.e., adhered, self-adhered, mechanically fastened).
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;(6) [[EPDM Roof Systems Standard#PART_10|<big>Mechanical Fastening</big>]]:
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:Edge securement must be anchored to the roof structure to prevent membrane movement.
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;(7) [[EPDM Roof Systems Standard#PART_10|<big>Primer or Adhesive</big>]]:
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:Proprietary to the membrane manufacturer.  Primer may be required for self-adhered membranes; adhesive is required for all other applications.  All membranes applied to the vertical substrate must be fully adhered.
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;(8) [[EPDM Roof Systems Standard#PART_10|<big>Membrane Flashing</big>]]:
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:May be run continuously up the vertical substrate from the field or installed as separate flashing (see membrane manufacturer requirements).  Membrane shall be carried up the vertical substrate at least 203.2 mm (8”) above the ''finished roof system surface'', plus at least 76.2 mm (3”) for wall control layer overlap. In regions where heavy snow accumulation is possible, or to accommodate future roof membrane replacement, membrane should be carried at least 304.8 mm (12”) up the vertical substrate.
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;(9) [[EPDM Roof Systems Standard#PART_10|<big>Membrane Edge Securement and Sealant</big>]]:
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:All membranes applied to a vertical surface must be mechanically fastened.  Fastener illustrated, together with sealant applied to upper membrane edge.
  
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:An alternative method of flashing for may be used (see Drawing (3C)) and is permissible <u>only if allowed in writing by the ''manufacturer''</u>.  Refer to the Standard for specific requirements.
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<hr>
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:Note the minimum height requirement for parapets (127 mm (5”)), illustrated in Drawing (A).
 
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;(2) [[SBS Roof Systems Standard#PART_10|'''Cap sheet membrane flashing''']]:
 
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:Installed as required in Part 10 and applied as the second or third of a multi-ply membrane system, providing required coverage above the ''finished roof system surface''.  The three illustrated colours in Drawing (1) indicate various permissible methods, depending upon the ''manufacturer's'' published requirements:
 
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::'''Option A''': Cap sheet membrane flashing terminated at the top inside edge of the parapet.
 
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::'''Option B''': Cap sheet membrane flashing carried onto parapet top surface at least 50.8 mm (2”).
 
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::'''Option C''': Cap sheet membrane flashing completely covering top surface of parapet, terminated at outside edge.
 
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:Parapet in Drawing (A) illustrates the lowest permissible height (127 mm (5”)).  Note that for parapets with an inside face height up to 203.2 mm (8”), no fewer than two plies of sheet membrane flashing must cover the inside face of the parapet.
 
  
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:When the parapet height (measured on the inside face) exceeds 203.2 mm (8”) (Ref. Drawings (C) and (D)), no fewer than two plies of sheet membrane flashing shall be carried up at least 203.2 mm above the ''finished roof system surface''.
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=== RELATED WORK BY OTHERS ===
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;(3) [[SBS Roof Systems Standard#PART_13|'''Metal Cap Flashing''']]:
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;(A) [[EPDM Roof Systems Standard#PART_2|<big>Acceptable Deck</big>]]
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:Designed and installed as required in Part 13 and secured on the outside face with a metal cleat (see Article 13.3.2.1., “General Requirements for Linear Metal Flashings”).  Gasketed screw fasteners shown on the inside face of the flashing.
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:Illustrated deck is representative. See Sub-section 2.1.5. for acceptable deck types and conditions.
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;(4) [[SBS Roof Systems Standard#PART_13|'''Securement cleat''']]:
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;(B) [[EPDM Roof Systems Standard#PART_2|<big>Wall Structure</big>]]
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:Ref. Drawing (A).
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:Illustrated wall is representative. Wall control layers (i.e. water resistive barrier) must overlap roofing system to achieve continuity.  See Sub-section 2.1.7. for wall conditions.
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;(5) [[SBS Roof Systems Standard#PART_13|'''Counter-flashing''']]:
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;(C) <big>Wall System Finish</big>
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:Required if membrane on inside surface of parapet is not protected from UV light (granule-surfaced membrane is considered UV resistant; Ref. Drawing (B)).  The illustrated flashing underlaps the cap flashing and is secured to the inside face of the parapet with S-locked seams and additional gasketed fasteners; all fasteners must be located at least 88.9 mm (3-1/2”) above the ''finished roof system surface''. Counter-flashing may be removed for future sheet membrane renewal.
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:Illustrated system is representative and shows water-resistive barrier overlapping roof membrane (See above, Item 8).
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;(6) '''Machine direction''':
 
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:Membrane oriented in the direction of manufacturing.
 
  
 
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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'']]
  
 
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Revision as of 21:54, 13 February 2024



Division D - Construction Details

EPDM | Membrane Termination A (Wall) ( Article 10.3.2.3.)

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

SBS 10.3.5.3 Cant Edge (1).jpg

1 WORK INCLUDED

(1) Air/Vapour Control Layers
As specified by the Design Authority and installed to provide continuity for optimal control.
(2) Insulation
Installed in keeping with Section 7.3. Multiple layering illustrated; layers must be offset and staggered at least 304.8 mm (12”) in each direction.
(3) Insulation Overlay Panel
Required for fully adhered membrane systems or when overburden is specified. Panels must be offset and staggered from underlying insulation panels.
(4) Field Membrane
See Table 9.2. for permissible application methods and corresponding membrane properties. Membrane must be installed according to the requirements in Section 9.3.
(5) Edge Securement
Proprietary to the membrane manufacturer. Edge securement is required, irrespective of how the membrane is applied (i.e., adhered, self-adhered, mechanically fastened).
(6) Mechanical Fastening
Edge securement must be anchored to the roof structure to prevent membrane movement.
(7) Primer or Adhesive
Proprietary to the membrane manufacturer. Primer may be required for self-adhered membranes; adhesive is required for all other applications. All membranes applied to the vertical substrate must be fully adhered.
(8) Membrane Flashing
May be run continuously up the vertical substrate from the field or installed as separate flashing (see membrane manufacturer requirements). Membrane shall be carried up the vertical substrate at least 203.2 mm (8”) above the finished roof system surface, plus at least 76.2 mm (3”) for wall control layer overlap. In regions where heavy snow accumulation is possible, or to accommodate future roof membrane replacement, membrane should be carried at least 304.8 mm (12”) up the vertical substrate.
(9) Membrane Edge Securement and Sealant
All membranes applied to a vertical surface must be mechanically fastened. Fastener illustrated, together with sealant applied to upper membrane edge.

2 RELATED WORK BY OTHERS

(A) Acceptable Deck
Illustrated deck is representative. See Sub-section 2.1.5. for acceptable deck types and conditions.
(B) Wall Structure
Illustrated wall is representative. Wall control layers (i.e. water resistive barrier) must overlap roofing system to achieve continuity. See Sub-section 2.1.7. for wall conditions.
(C) Wall System Finish
Illustrated system is representative and shows water-resistive barrier overlapping roof membrane (See above, Item 8).

NOTE: See the EPDM Roof Systems Standard for additional requirements.

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