The National Fenestration Rating Council (NFRC) has accredited
Architectural Testing, Inc., of Fresno, CA as its first laboratory to test "NFRC
202: Procedure for Determining Translucent Fenestration Product Visible
Transmittance at Normal Incidence.”
This procedure, which
was approved by NFRC membership in 2012, provides a method for measuring
visible transmittance (VT) at normal incidence for translucent panels.
With the
accreditation of the first laboratory able to test using this procedure,
manufacturers of flat, diffusing products that were not able to test for VT
using simulation or a spectrophotometer, are now able to obtain a VT rating on
a whole product.
Details
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