A specific provision of NRCA's strategic plan calls for NRCA to
work with other industry segments to further develop existing
performance models and, if necessary, establish new models for
measuring roof system performance. To achieve this objective, NRCA
is facilitating an industrywide initiative to develop such
performance criteria (see "New
council, new standards," July 2003 issue, page 15).
The initiative, the performance criteria for constructed roof
systems (PCCRS), was discussed in the July 2003 issue in general
and as it was envisioned to proceed. But much progress has been
made since then. Following are the highlights.
The objective of the PCCRS initiative is "to provide building
owners and the roofing industry with conservative and dependable
criteria for constructed roof systems that achieve cost-effective,
long-term performance relative to the roof system type. PCCRS is
intended to provide guidance. It is not an approval or
certification of individual companies' procedures, products or
services nor is it intended to supplant warranties or other
representations or perceptions of roof...
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