Difference between revisions of "LMF Metal Cap Flashing (joints)"

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Difference between revisions of "LMF Metal Cap Flashing (joints)"

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{| class="wikitable" | style="color: black; background-color: orange; width: 100%;text-align:center"
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| colspan="2"  | <big>'''''RoofStar Guarantee Standards''''' are <span style="color:#6495ed">'''blue-linked'''</span></big>
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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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<div class="panel-heading"><big>'''Metal Flashing Details'''</big></div>
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<div class="panel-heading"><big>'''SBS Details'''</big></div>
 
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[[File:10.2.1.jpg|class=img-responsive]]
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[[File:MF 13.3.1-1A.jpg|class=img-responsive | link=http://rpm.rcabc.org/images/f/fa/MF_13.3.1-1A.jpg]]
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[[File:MF 13.3.1-1B.jpg|class=img-responsive | link=http://rpm.rcabc.org/images/a/af/MF_13.3.1-1B.jpg]]
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[[File:MF 13.3.1-1.1 (Standing Seam).jpg|class=img-responsive | link=http://rpm.rcabc.org/images/9/99/MF_13.3.1-1.1_%28Standing_Seam%29.jpg]]
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[[File:MF 13.3.1-1.2 (S-Lock, Single).jpg|class=img-responsive | link=http://rpm.rcabc.org/images/4/42/MF_13.3.1-1.2_%28S-Lock%2C_Single%29.jpg]]
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[[File:MF 13.3.1-1.2 (S-Lock, Double).jpg|class=img-responsive | link=http://rpm.rcabc.org/images/2/21/MF_13.3.1-1.2_%28S-Lock%2C_Double%29.jpg]]
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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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::Click below for a printable version of this page.
  
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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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:[[File:Pdf.png|100 px|link=|'''Print Sheet''']]
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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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=== WORK INCLUDED ===
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;(1) [[RoofStar Guarantee Standards for SBS Modified Bitumen Membrane Systems#SBSMETALCAP|'''Metal Cap Flashing''']]: Fabricate and install in keeping with the Standards in Part '''13 METAL FLASHINGS'''.  Base membrane must extend across the top of the parapet (to waterproof the structure and separate the metal from moisture-susceptible substrates) and extend down the outside face of the parapet at least 50 mm (2”). Edges must be hemmed (1a), although a kicked-out drip edge is optional (see '''13.3.2''' ('''1''') '''Fabrication''').
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;(2) [[RoofStar Guarantee Standards for SBS Modified Bitumen Membrane Systems#SBSMETALFASTENER|'''Fasteners''']]: Select for compatibility with metal flashing, membrane and substrate (see '''13.2.3 Fasteners''').
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;(3) [[RoofStar Guarantee Standards for SBS Modified Bitumen Membrane Systems#SBSMETALSECUREMENT|'''Clips''']]: Install cap flashings using a continuous or discontinuous metal ‘wind’ clip affixed to the outside face of the parapet, or to the top of the parapet (see Alternate illustration).  Fasten the clip following the standards in both '''13.3.3 Securement''' and '''13.3.5 Cap, Counter and Base Flashings'''.
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;(4) [[RoofStar Guarantee Standards for SBS Modified Bitumen Membrane Systems#SBSMETALSEAM|'''Seam''']]: Must be either a Standing Seam (illustrated) or an S-lock (single or double – see inset illustrations).  The use of acceptable seams allows for multi-directional expansion and contraction of sheet metal.
  
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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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=== RELATED WORK BY OTHERS ===
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;(A) '''Parapet Structure''':
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;(B) '''Parapet woodwork (sloped toward roof surface''':
  
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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.
 
'''NOTE''': Refer to '''''RoofStar Guarantee Standards''''' for additional requirements.
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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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[[RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies |<i class="fa fa-chevron-circle-left fa" ></i> Back to ''RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies'']]
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[[SBS Modified Bitumen Construction Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''SBS Modified Bitumen Construction Details'']]
  
 
[[Construction Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''Construction Details'']]
 
[[Construction Details|<i class="fa fa-chevron-circle-left fa" ></i> Back to ''Construction Details'']]

Revision as of 18:01, 18 February 2020

Notice to Reader
Images used in a Construction Detail are representative and not intended in their representation of an assembly to be prescriptive. 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.

The full text of applicable RoofStar Guarantee Standards may be read by using the blue hyperlinks
SBS Details
Click below for a printable version of this page.
Print Sheet

1 WORK INCLUDED

(1) Metal Cap Flashing
Fabricate and install in keeping with the Standards in Part 13 METAL FLASHINGS. Base membrane must extend across the top of the parapet (to waterproof the structure and separate the metal from moisture-susceptible substrates) and extend down the outside face of the parapet at least 50 mm (2”). Edges must be hemmed (1a), although a kicked-out drip edge is optional (see 13.3.2 (1) Fabrication).
(2) Fasteners
Select for compatibility with metal flashing, membrane and substrate (see 13.2.3 Fasteners).
(3) Clips
Install cap flashings using a continuous or discontinuous metal ‘wind’ clip affixed to the outside face of the parapet, or to the top of the parapet (see Alternate illustration). Fasten the clip following the standards in both 13.3.3 Securement and 13.3.5 Cap, Counter and Base Flashings.
(4) Seam
Must be either a Standing Seam (illustrated) or an S-lock (single or double – see inset illustrations). The use of acceptable seams allows for multi-directional expansion and contraction of sheet metal.

2 RELATED WORK BY OTHERS

(A) Parapet Structure
(B) Parapet woodwork (sloped toward roof surface

NOTE: Refer to RoofStar Guarantee Standards for additional requirements.



Back to RoofStar Guarantee Standards for SBS Modified Bitumen Roof Assemblies

Back to SBS Modified Bitumen Construction Details

Back to Construction Details

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