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BUR-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 built-up roofing assemblies, when a Warranty Certificate is
to be issued. When a complete roof system, including the existing
Sheet metal flashings shall continuously cover
the membrane flashing installed at horizontal to vertical roof
junctions. Sheet metal 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 membrane and retained in place by
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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