Exhaust Hood

You can now safely install a bathroom exhaust from inside a building! A simple solution to prevent mold caused by improper vent installations.

  • Easily installed from inside of a building by one person in 10 minutes.
  • Designed for 0 to unlimited pitch roof.
  • Works on conventional shingles, architectural shingles, and rolled roofing materials.
  • Forms a weather-tight seal on four sides, eliminating the problems caused by wind, rain or snow.
  • Install in any weather conditions.

EV-4 Specifications

  • .040’’ 5052 Aluminum hood.
  • .040’’ 5052 Aluminum Damper.
  • .125’’ Aluminum Damper hinge pin.
  • Nylon hinge bushings.
  • #4 Galvanized welded wire mesh outlet Screen.
  • 3.90’’ exhaust pipe connection.
  • 17.61 square inch outlet without Screen.
  • 14.88 square inch outlet with Screen.
  • One 4’’ x .12 tension hose clamp.
  • 4’’ Kozy Kollar EPDM rubber roof ange with heat resistance to 180 degrees Fahrenheit. Molded around a .125 steel Main Fame with seven casehardened 1⁄4-20 female standoffs installed.
  • .105 Plated Sub Frame.
  • Seven 1⁄4-20 x 2.5’’ plated studs.
  • Seven 1⁄4-20 x7/8’’plated couplings torqued to 3 foot pounds.
  • Size: 12.75’’ long, 9.25 wide, 6.25 tall.
  • Weight: Kollar 4.9 pounds,
  • 1.5 oz tube of Permatex 2-A.
  • Roof Slope - Unlimited.
  • Allowable Roof materials: three tab conventional shingles, architectural shingle, metal roof with solid substrate, and rolled roofing with solid substrate.

EV-4 Prevents Mold in the Attic!

Images provide by The Attic Experts