Duro-Last 60-mil standard membrane or Duro-Last X™ mechanically fastened or Duro-Bond®
(replace at year 25 or after)
DuPont™ Styrofoam™ Brand Deckmate™ Plus Insulation
R-value per spec and/or code
Product may be grey or blue, depending on region.
Minimum 7/16" Duro-Last approved cement board or Duro-Guard cement board under vapor barrier (required for FM on steel deck)