Image of EI-445
UL 521 Listed
Basis of Design
Multifamily Ready
Fast Lead Times

Louvers /Combination /4" With Backdraft Damper

EI-445

Extruded Aluminum Louver

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Common Applications

  • Wood Truss Assemblies
  • Multifamily
  • Light Commercial

Resources

Product Sheets

  • PDF EI-445 Product Sheet

Installation Instructions

  • PDF Operable Louver Installation Instructions

Accessories

  • PDF Louver Maintenance

Louver Options

  • PDF Blank-Off Option
  • PDF Burglar Bars Option
  • PDF Filter Rack
  • PDF Glazing Frame Option
  • PDF Hinge Option
  • PDF Sill/Head Flashing Option
  • PDF Stucco Flange Option
  • PDF Bird Screen

Overview

The EI-445 combination louver features stationary louver blades and an integral gravity operated backdraft damper to protect intake air openings in exterior walls. The EI-445 is available in a wide array of anodized and painted finishes including custom color matching.

Standard Construction

Material: Mill finish 6063-T5 extruded aluminum.
Frames: 4" deep x 0.081" thick (102 x 2) channel.
Blades: 45o x 0.081" (2) thick J-style BD-intake.
Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.
Mullion: Visible.
Minimum Size: 12" x 12" (305 x 305)
Maximum Size: Single Section: 48" x 120" (1219 x 3048)
                           Multiple Section: Unlimited

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