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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
TP-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 thermoplastic roofing assemblies, when a Warranty
Certificate is to be issued. When a complete roof system, including
When required, sheet metal cap flashings shall
continuously cover thermoplastic membrane flashing installed at
horizontal to vertical roof junctions. Sheet metal cap flashings
shall be installed as soon as practical to protect the membrane
flashing from damage.
A protected membrane roofing design is an
insulated and ballasted roofing system in which the primary
insulation is applied above the thermoplastic membrane and retained
in place by ballast.
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