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The roof deck provides the structural support
for the roofing system. Roof decks shall be designed in accordance
with the Alberta Building Code to support design and construction
EPDM-3.1 Separator Sheets
Separator sheets are materials used to separate
roofing system components, to prevent material incompatibility or
to prevent adhesion.
ARCA Warranty Ltd. requires the use of a
vapour retarder membrane for insulated conventional or combination
design E.P.D.M. roofing assemblies, when a Warranty Certificate is
to be issued. When a complete roof system, including the existing
A protected membrane roofing design is an
insulated and ballasted roofing system in which the primary
insulation is applied above the E.P.D.M. membrane and retained in
place by ballast.
Re-roofing encompasses both primary membrane
replacement and replacement of the entire roofing assembly above
the structural deck.
Due to the unique nature of re-roofing, relief
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