Difference between revisions of "Asphalt Shingles - Air and Vapour Controls"

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(Created page with "{{Template:RPM Info}} <hr> {| class="wikitable" | style="color: black; background-color: orange; width: 100%;text-align:center" | colspan="2" | <big>'''''Notice to Reader''''...")
 
 
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<big><big>Division D - Construction Details</big></big>
 
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<big><big><big><big><big>Asphalt Shingles | Air and Vapour Controls (Field) ([[Asphalt_Shingle_Systems_Standard#6.3.2.1._Continuity_and_Support | Article 6.3.2.1.]])</big></big></big></big></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 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 [[Asphalt Shingle 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>'''"All Systems" Details'''</big></div>
 
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;(2) '''Air or Vapour Controls''': Self-adhering membrane (typical).
 
;(2) '''Air or Vapour Controls''': Self-adhering membrane (typical).
 
;(3) '''Metal Support''': For fully or intermittently unsupported side or end laps.  Use pre-finished galvanized steel (min. 24 Ga.), fabricated at least 100 mm (4”) wider than membrane overlaps, and secured with compatible flat-head fasteners (two fasteners per flute, or as otherwise specified).
 
;(3) '''Metal Support''': For fully or intermittently unsupported side or end laps.  Use pre-finished galvanized steel (min. 24 Ga.), fabricated at least 100 mm (4”) wider than membrane overlaps, and secured with compatible flat-head fasteners (two fasteners per flute, or as otherwise specified).
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;(4) '''Long edges''':Centre membrane runs along top flutes of steel deck (applicable when no deck overlay is specified and installed).
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;(4) '''Long edges (side laps)''':Centre membrane runs along top flutes of steel deck (applicable when no deck overlay is specified and installed). Overlap membrane side laps at least 50 mm (2”), or as specified by the membrane manufacturer (whichever is greater).  Side laps must be fully supported by the roof deck or a metal support.
 
;(5) '''End laps''':Overlap the roll ends at least 100 mm (4”), or as specified by the membrane manufacturer (whichever is greater).  End laps must be fully supported by the roof deck or a metal support.
 
;(5) '''End laps''':Overlap the roll ends at least 100 mm (4”), or as specified by the membrane manufacturer (whichever is greater).  End laps must be fully supported by the roof deck or a metal support.
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;(6) '''Side laps''':Overlap membrane side laps at least 50 mm (2”), or as specified by the membrane manufacturer (whichever is greater).  Side laps must be fully supported by the roof deck or a metal support.
 
  
 
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Latest revision as of 14:29, 30 June 2022



Division D - Construction Details

Asphalt Shingles | Air and Vapour Controls (Field) ( Article 6.3.2.1.)

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.

"All Systems" Details

Figure 6.3.1-1.jpg

Figure 6.3.1-2.jpg

Click below for a printable version of this page (under development)
Print Sheet

1 WORK INCLUDED

(1) Supporting Deck Overlay
Recommended over steel decks, to provide continuous support for membrane control layers (this fulfills the requirement for continuity, British Columbia Building Code, Div. B, 5.4.1.2 (3)).
(2) Air or Vapour Controls
Self-adhering membrane (typical).
(3) Metal Support
For fully or intermittently unsupported side or end laps. Use pre-finished galvanized steel (min. 24 Ga.), fabricated at least 100 mm (4”) wider than membrane overlaps, and secured with compatible flat-head fasteners (two fasteners per flute, or as otherwise specified).
(4) Long edges (side laps)
Centre membrane runs along top flutes of steel deck (applicable when no deck overlay is specified and installed). Overlap membrane side laps at least 50 mm (2”), or as specified by the membrane manufacturer (whichever is greater). Side laps must be fully supported by the roof deck or a metal support.
(5) End laps
Overlap the roll ends at least 100 mm (4”), or as specified by the membrane manufacturer (whichever is greater). End laps must be fully supported by the roof deck or a metal support.

2 RELATED WORK BY OTHERS

(A) Acceptable Deck

NOTE: See the Standard for additional requirements.

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