Thompson On-Ridge Ventilator is available in 26 gauge galvalume and pre-painted galvalume. Other materials available upon request. Thompson On-Ridge Vents are also available in different heights based on application.

Height	Application
1"	Metal Roofing
2.5"	Regular Tile Profile
5"	Hi-Tile Profile

* Special heights also available upon request.

Advantages of the Ridge Ventilator

* Unique raised hood design is engineered for the highest possible uninterrupted attic air removal.

* Easy installation over new or existing roofing.

* No extra framing required and maintenance free.

Vent Specifications

Size	Description	Net Free Area	Pieces/Carton
4'	26 gauge	288 sq. in.	1
6'	26 gauge	432 sq. in.	1
8'	26 gauge	576 sq. in.	1
10'	26 gauge	720 sq. in.	1

Instrallation instructions

1. Cut out a hole approximately 3 inches from both sides of ridge peak extending to accommodate the length of the vent.

Vent	Approximate Cut Out Size
4'	6" x 46"
6'	6" x 70"
8'	6" x 94"
10'	6" x 118"

2. Place ridge ventilator over the hole and nail down using 1 1/4" roofing nails or 1.5" Neoprene screws spaced 8-12" on center. Roofing cement should be used on all adjacent roofing materials and nail heads to prevent water leakage.