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Serving Alberta's Roofing Industry Since 1961
MR Section 1: General
MR-1.1 Application Standards
ARCA members consider what constitutes the
essential roofing practices which must be carried out for a metal
roofing system to provide an acceptance service life in Alberta.
These essential practices are referred to as application standards
and are the basis for the issuance of the Warranty
The designer should specify the issuance of the
ARCA Warranty Ltd. Warranty Certificate to ensure that the Metal
Roofing Application Standards are met.
Due to the complexity and possible combinations
of construction, not every situation can be covered by the
application standards. The Technical Committee is authorized to
rule, upon written application, on situations or conditions not
specifically covered by the application standards.
MR-1.2 Warranty Certificate (WC)
The Warranty Certificate (WC) is a joint
undertaking by the ARCA Contractor member and the ARCA Warranty
Ltd. which assures the owner of the following:
The completed roofing system is comprised of ARCA Warranty
Ltd. accepted materials proven to perform in Alberta.
An ARCA Professional Roofing Contractor has supervised
completion of the roof installation.
The workmanship meets ARCA Warranty Ltd. requirements.
The completed metal roofing system is inspected by an ARCA
Warranty Ltd. accepted independent roofing inspector for the
issuance of a WC.
Any workmanship related leaks which are the responsibility of
the Contractor, occurring during year’s one and two of the
warranty term, will be repaired at no additional cost to the
In the event that a member contractor defaults on the
warranty, for any reason, ARCA Warranty Ltd. will assure their
responsibility and liability for the remainder of the warranty
MR-1.3 Effective Date of
The effective date for the Warranty Certificate
is the date of final inspection by the accepted independent roofing
Any deficiencies noted on the final inspection
report will be rectified prior to issuance of the warranty
If deficiencies are found which are the
responsibility of others and which affect the roofing system, the
certificate may be issued with a covering letter to the owner
outlining the limitations of the certificate (because of such
deficiencies) or no certificate will be issued until written
confirmation has been received that the deficiencies have been
corrected by others.
The designer/owner may wish to have the
effective date of the WC coincide with the completion date for
Should the completed roofing system be in
service for more than three (3) months after application then the
following provisions must be undertaken prior to warranty issuance.
The entire roofing system shall be inspected and a post final
inspection report must received from an ARCA Warranty Ltd. accepted
independent roofing inspector and the cost borne by others.
Any damage or deficiencies found during the post final
inspection must be corrected by the original ARCA contractor and
the repair cost borne by others.
MR-1.4 Requirements for Issuance of
the Warranty Certificate
A Metal Roofing Warranty Certificate will be
issued only when the following conditions have been met:
The roofing contractor is a member in good standing with ARCA
All roofing has been applied under the on-site supervision of
a journeyman roofer or sheet metal mechanic, employed by a member
The roofing system has been constructed within the Province of
The metal roofing system is one which has been accepted by
ARCA Warranty Ltd.,
The application standards outlined in Part 4, Metal Roofing,
as well as any other specific specifications which the designer may
incorporate which are not inconsistent with the application
standards, have been adhered to,
The construction of the metal roofing system has been
inspected by an ARCA Warranty Ltd. accepted independent roofing
The structure on which the roofing system is installed has
been permanently affixed to its building site at the time of
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