Deck and Wall Overlays
Deck and Wall Overlays
Revision as of 21:13, 3 September 2021 by James Klassen (talk | contribs)
Contents
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 RoofStar Guarantee Standards located in Division D: Waterproofing Systems (Roofs), Division E: Water-shedding Systems or Division F: Grade-level Waterproofing. |
| NOTE: See also Accepted Roof Deck Overlay Board products |
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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