Louver Shading

This tool lets you calculate the shading provided by horizontally parallel louvers, such as louvered blinds, a brise soleil, or a wooden trellis, with the louver system oriented either horizontally or vertically. Please read the important instructions, notes, and FAQ pages before using this tool.


INPUTS
louver type
slat depth latitude °
slat thickness show values
slat spacing orientation
slat tilt degrees    
  MORNING   AFTERNOON  
  4:00 5:00 6:00 7:00 8:00 9:00 10:00 11:00 12:00 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00  
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  4:00 5:00 6:00 7:00 8:00 9:00 10:00 11:00 12:00 1:00 2:00 3:00 4:00 5:00 6:00 7:00 8:00  
  MORNING   AFTERNOON  

Support Louver Shading!

The development and maintenance of Louver Shading is supported 100% by voluntary user donations. If you found this program helpful, please consider making a small donation...this can be done quickly and securely by credit card, or you can mail a check. Suggested donations are $25 for commercial use, and $10 for personal use. Please visit the Shareware page for details, or you can make a quick PayPal or credit card donation to the right. Thanks!

QUICK DONATION
Commercial ($25)
Personal ($10)

Mailing List

The author maintains a private mailing list of users of SunAngle and his other shareware solar design tools, and is happy to send you very occasional notices about software upgrades and other items of interest. Such notices do not occur more frequently than a few times a year.

If you're interested in joining the SunAngle mailing list, please send e-mail to the author with this request. Your e-mail address will never be used for commercial purposes or given to anyone else for any reason.