Difference between revisions of "Deck and Wall Overlays"

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Difference between revisions of "Deck and Wall Overlays"

 
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=== General ===
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| NOTE''': See also [[Roof Deck Overlay Board|Accepted Roof Deck Overlay Board products]]
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For '''RoofStar Guarantee Standards''' pertaining to Deck Overlay Boards, refer to subsection 3 (SUBSTRATES - DECK OVERLAY BOARD and WALL SHEATHING) in either [[Section:D. Low Slope Roofs|Low Slope Roof Systems]] or for [[ASM (Architectural Sheet Metal) Roof Systems|Architectural Sheet Metal Roof Systems]].
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<big><big>Division E - General Information</big></big>
 
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<big><big><big><big><big>Deck and Wall Overlays</big></big></big></big></big>
  
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<div class="principles">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 insulation.</div>
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| 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''']].
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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.
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[[Section:B. Essential Elements|<i class="fa fa-chevron-circle-left fa-2x" ></i> Back to ''Essential Elements'']]
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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.

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