Difference between revisions of "Deck and Wall Overlays"
Difference between revisions of "Deck and Wall Overlays"
m (James Klassen moved page Underlay to Roof Deck Overlay) |
|||
| Line 10: | Line 10: | ||
<hr> | <hr> | ||
| − | <div class="principles">A roof system underlay is installed under the roof system and over the roof deck assembly. | + | <div class="principles">A roof deck overlay (also called a system underlay) is installed under the roof system and over the roof deck assembly. 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> |
Revision as of 16:18, 20 June 2016
General
| NOTE: See also Accepted Roof Deck Overlay Board products |
For RoofStar Guarantee Standards pertaining to Deck Overlay Boards, refer to subsection 3 (SUBSTRATES - DECK OVERLAY BOARD and WALL SHEATHING) in either Low Slope Roof Systems or for Architectural Sheet Metal Roof Systems.
A roof deck overlay (also called a system underlay) is installed under the roof system and over the roof deck assembly. 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.