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When required, sheet metal cap flashings shall
continuously cover the E.P.D.M. 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.
Asphalt shingle application directly over rigid
insulation is not permitted.
Asphalt shingle application directly over
E.P.D.M. membrane designs can be categorized as
a fully adhered, mechanically fastened and loose-laid
For all designs the E.P.D.M. membrane shall be
BUR-2.1 Control Joints
Roofing control joints are required to prevent
structural movement or stresses within the roofing system from
damaging a Built-Up Roofing (BUR) membrane.
EPDM-2.1 Control Joints
Roofing control joints may be required to
prevent structural movement or stresses within the roofing system
from damaging an E.P.D.M. membrane.
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