NFRC - National Fenestration Rating Council
 
WE'RE CHANGING THE WAY AMERICA SHOPS
FOR WINDOWS, DOORS AND SKYLIGHTS
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CMA Non Standard Product Rating Research Project Monitoring Task Group

 

CHAIRS CONTACT INFORMATION

Objective

The objective of this project is to simulate a selected group of non-standard products (listed below) using both standard THERM/WINDOW and CMA methodologies to confirm that these products can be confidently simulated with the CMA methodology. If the CMA methodology does not produce satisfactory results for some or all of these products, the proposed alternate course(s) of action will be suggested and recommendations for further research to resolve any discrepancies will be provided. The projects considered through this proposal include:

  • Single Glazing o This is to take into account products with a low emissivity coating on the interior glazing surface as well as glass / polycarbonate composite products with low conductivity.
  • Structural glazing o These applications can utilize deep sightlines on the glazing as well as deep structural joints.
  • Sloped Glazing (slope of 20o or less) o By code, laminated glass is required for single glazing or the interior pane of an IG.
  • IG incorporating a laminate layer o One or both panes may be laminated due to security/acoustic considerations.
  • Double Sash Configuration o This must consider installations with IG or single glazed exterior, a wide airspace, and single glazed interior pane (including interior/exterior storms and standard triple glazing). Any of these panes may be laminated/lowE.

Status

  • Final report presented to PMTG in March 08
  • Project Awared in Summer 2007

Documents:

Meeting Notes

Participants

  • Bipin Shah (Chair)
  • Marles McDonald
  • Mike Thoman
  • Ray McGowan (staff)
  • Jessica Ferris (staff - CMA program manager)