Difference between revisions of "Deck and Wall Overlays"

Jump to: navigation, search

Difference between revisions of "Deck and Wall Overlays"

m (James Klassen moved page Section:Underlay to Underlay)
 
(34 intermediate revisions by the same user not shown)
Line 1: Line 1:
−
== General ==
+
{{Template:RPM Info}}
  
−
[[2.1 RGC GUARANTEE STANDARDS FOR BRITISH COLUMBIA#A2.5 Steel Decks|See Section 2.1, A2.5]]
+
{{DISPLAYTITLE:<span style="position: absolute; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px);">{{FULLPAGENAME}}</span>}}
 +
  <div class="col-md-3" style="float:right;" id="tocDiv">
 +
      __TOC__
 +
  </div> <!-- tocDiv -->
  
−
A roof system underlay is installed under the roof system and over the roof deck assembly. Underlays are most commonly placed over steel decks to provide a level surface for the membrane, or as a thermal barrier between the roof deck and combustible insulations.
+
  <div class="col-md-9" id="mainBodyDiv">
  
−
RGC requires either minimum 12.7 mm (1/2") gypsum with fibreglass facers and a silicone treated gypsum core (See Section 2.1, A2.5) or minimum 12.7 mm (1/2") plywood as an underlay for membranes installed directly over steel decks. Where an underlay is used as a thermal barrier, it must conform to the applicable code and insurance requirements for the roof assembly.
+
<big><big>Division E - General Information</big></big>
 +
<hr>
 +
<big><big><big><big><big>Deck and Wall Overlays</big></big></big></big></big>
  
−
== Underlays for Metal Roofing ==
+
{| class="wikitable" | style="color: black; background-color: #ffffcc; width: 100%;"
 +
| colspan="2"  | '''NOTICE TO READER''': This is an <u>information page only</u>.  To read the standards applicable to a particular Waterproofing or Water-shedding System, refer to the actual Standard located in [[Division B | '''Division B''']].
 +
|}
  
−
Acceptable membrane underlays for metal roofing are listed in Section 8.2 and in Section 2.2 (accepted Materials list) of this manual.
+
Deck and wall overlays (also called a system underlays) are installed under the roof system and over the supporting deck or wall structure, to provide a suitable substrate for roof materials. These products are most commonly placed over steel decks to provide a level surface for the membrane, or as a thermal barrier between the roof deck and combustible insulation.
 +
</div><!-- mainBodyDiv -->
 +
</div><!-- row -->
 +
<div class="col-md-12">
 +
<hr>
  
−
<big><i class="fa fa-chevron-circle-left"></i></big>
+
[[Main Page | <i class="fa fa-home fa"></i> Home]]
−
[[Section:B. Essential Elements|Back to ''Essential Elements'']]
+
</div>
  
−
[[Section:Vapour Retarders|''Vapour Retarders'']]
+
{{Tempate:RPM Page Footer with Copyright and Current Date}}
−
<big><i class="fa fa-chevron-circle-right"></i></big>
 

Latest revision as of 15:33, 9 September 2021


Division E - General Information

Deck and Wall Overlays

NOTICE TO READER: This is an information page only. To read the standards applicable to a particular Waterproofing or Water-shedding System, refer to the actual Standard located in Division B.

Deck and wall overlays (also called a system underlays) are installed under the roof system and over the supporting deck or wall structure, to provide a suitable substrate for roof materials. These products are most commonly placed over steel decks to provide a level surface for the membrane, or as a thermal barrier between the roof deck and combustible insulation.

Home

© RCABC 2024
RoofStarTM is a registered Trademark of the RCABC.
No reproduction of this material, in whole or in part, is lawful without the expressed permission of the RCABC Guarantee Corp.

Retrieved from "http://rpm.rcabc.org/index.php?title=Deck_and_Wall_Overlays&oldid=33808"