Committee Disapproves WDMA Code Change Proposal
The International Residential Code (IRC) committee heard hundreds
of proposals during yesterday's hearings, which are taking place
this week and next in Palm Springs, Calif. One proposal relevant
to the fenestration industry, RB201-07/08, was presented on behalf
of the Window and Door Manufacturers Association (WDMA), and related
to definition changes and additions to section R202 of the IRC.
The proposal, however, was not approved by the committee.
The recommended changes would have allowed for "alternate flashing
methods for windows and doors that complement the requirements of
Section R703.8, but allow appropriate window and door flashing options
depending on the specific conditions of the project." The proposal
also states "window and door manufacturers are required by Section
R613.1 to provide installation instructions for each window and
door. Many window and door manufacturers are now incorporating some
method of pan flashing in their … installation instructions. Explicitly
allowing flashing design by a registered design professional reminds
the code user of this option. Window and door manufacturers create
installation and flashing instructions for a wide variety of wall
conditions but are unable to create installation instructions for
every conceivable wall condition." The additional flashing the proposals
would allow for the necessary flexibility to maintain performance
requirements of Section R703.8.
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