Difference between revisions of "Draft CD 4"

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Difference between revisions of "Draft CD 4"

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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>EPDM | Membrane Termination D (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>
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<div class="panel-heading"><big>'''Metal Flashing Details'''</big></div>
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<div class="panel-heading"><big>'''EPDM Details'''</big></div>
 
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[[File:10.2.1.jpg|class=img-responsive]]
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[[File:10.3.2.3.-EPDM-D.png |class=img-responsive | link=https://rpm.rcabc.org/images/7/74/10.3.2.3.-EPDM-D.png]]
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:Drawing NTS
 
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<b><i>END JOINTS</i></b> in metal flashings are made using any one of the joints shown in this section, providing the following rules are complied with:
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=== WORK INCLUDED ===
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(1) <b>Expansion: </b>Allowances should be made for expansion and contraction. Soldered joints are not acceptable.
 
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(2) <b>Underlayment:</b> Membrane under cap flashing. See, for example, [[RoofStar Guarantee Standards for SBS Roof Systems#SBSSTRIPTERM|'''SBS Roof Systems, 10.3 Application''']].
 
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(3) <b>Clips: </b>Standing seams are fastened to wood blocking before applying the following length, using {{strike| nails || 2017-September-28 }} {{hilite | screws || 2017-September-28 }} and clips.
 
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(4) <b>Fasteners: </b>S-locks and Double S-locks are {{strike| nailed || 2017-September-28 }} {{hilite | screwed || 2017-September-28 }} through the single leaf before applying the following length. See [[RoofStar Guarantee Standards for SBS Roof Systems#SBSMETALFLASH|'''SBS Roof Systems - 13. Perimeter Flashing: Metal''']].
 
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(5) <b>Metal Cap Flashing: </b>Fastened with continuous concealed clips or cladding screws evenly spaced between seams. See [[RoofStar Guarantee Standards for SBS Roof Systems#SBSMETALFLASH|'''SBS Roof Systems - 13. Perimeter Flashing: Metal''']].
 
  
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;(1) [[EPDM Roof Systems Standard#PART_6|<big>Air/Vapour Control Layers</big>]]:
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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.  Mechanically fastened termination (“term”) bar with tooled sealant shown.
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;(10) [[EPDM Roof Systems Standard#PART_10|<big>Cut Reglet Counter-flashing and Sealant</big>]]:
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:Cut reglet counter-flashing with bead of sealant applied in reglet cut.  This flashing provides secondary protection for the “term” bar and safe-guards the sealant from weather-induced deterioration and mechanical damage.
  
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=== RELATED WORK BY OTHERS ===
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;(A) [[EPDM Roof Systems Standard#PART_2|<big>Acceptable Deck</big>]]
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:Illustrated deck is representative.  See Sub-section 2.1.5. for acceptable ''deck'' types and conditions.
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;(B) [[EPDM Roof Systems Standard#PART_2|<big>Wall Structure</big>]]
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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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Further detail on fastening of flashing is detailed in the SMACNA Manual referenced in the '''''RoofStar Guarantee Standards''''' sections of any of the Low Slope Membrane Roof Systems sections.
 
 
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'''NOTE''': Refer to '''''RoofStar Guarantee Standards''''' 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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[[EPDM Roof System Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''EPDM Roof System Details'']]
  
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[[Metal Flashing Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''Metal Flashing Details'']]
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[[Main Page | <i class="fa fa-home fa"></i> Home]]
  
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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 15:30, 16 February 2024



Division D - Construction Details

EPDM | Membrane Termination D (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.

EPDM Details


10.3.2.3.-EPDM-D.png

Drawing NTS

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. Mechanically fastened termination (“term”) bar with tooled sealant shown.
(10) Cut Reglet Counter-flashing and Sealant
Cut reglet counter-flashing with bead of sealant applied in reglet cut. This flashing provides secondary protection for the “term” bar and safe-guards the sealant from weather-induced deterioration and mechanical damage.

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.

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

Back to EPDM Roof System Details

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