Specification

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.