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Janus International Amarr LiftMaster

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Windload Rated Door
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Janus 3100I
The Model 3100I door is the insulated version of Model 3100. Insulated doors come standard with top and side draft stop. Model 3100 is our certified wind load rated rolling sheet door that meets specified wind loads required by even the most stringent building codes. Laboratory testing proves how durable and strong this door really is. The quick installation and smooth operation, particularly compared to other doors, further demonstrates how user friendly this door is. Insulated version not suitable for exterior reverse coil mount.

General Description

  • Designed to meet stringent building codes in coastal regions
  • Utilizes 12” drum wheel
  • Maximum opening size of 16’ wide x 18’ high (288 sq.ft.)
  • Insulated with R-Value of 2.  Insulated doors not suitable for exterior reverse coil mount.
  • Top Draft Stop and Side Draft Top included
  • Reduced Drive Chain Hoist operation standard on ALL door sizes
  • PSF Ratings:
    • +35 PSF and -41 SF for opening widths through 12’
    • +35 PSF and -38 PSF for opening widths over 12’ – 16’


  • Header seal
  • Hood
  • Steel mounting plates
  • Stainless steel mini latch

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