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National Fenestration Rating Council (NFRC)

Leverage standardized ratings for energy efficient fenestration products

The National Fenestration Rating Council (NFRC) publishes a uniform and independent rating and labeling system for the energy performance of windows, doors, skylights and attachment devices. NFRC standards provide regulatory, prescriptive and system or design requirements. NFRC standards assist you to:

  • Improve product designs
  • Use compliant fenestration products
  • Receive third-party validation
  • Certify and label products correctly

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May 24

AI Neural Network's Names for New Paint Colors

http://interestingengineering.com/ai-neural-network-picks-hilariously-wrong-names-for-new-paint-colors/ What should I paint the bedroom after the new carpet is installed: Bunflow? Stargoon? A little humor for a Wednesday.

May 24

Load on Pipeline Crossing Under a Railway line

I ve to provide a 1400 mm dia Mild Steel casing pipe crossing 9 meters under a railway line to carry a pipeline of 900 mm dia. from one side to other. To calculate wall thickness of the casing pipe to withstand the load of the earth overhead as well as the load of the moving train overhead, I need t

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