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Ridge Vents
(Exhaust)

Homeowner’s Best Choice
• Vents The Attic... Allows heat and condensation to escape at the most effective location - the ridge
Looks Terrific... Shingle-over design blends into the ridge line
Watertight... Passes the 110mph-wind driven rain test *
Insect Guard... Specially designed 1/8" louver spacing helps to keep insects out
Durable... Designed with high-impact polymers
• Peace Of Mind... Backed by a 40-year ltd. warranty* *
Colors To Match Your Shingles... Available in black, brown, gray and weathered wood
*Under controlled laboratory conditions **See ltd. warranty for complete coverage and restriction

Professional’s Best Choice
• Fits Better... Flexible 3-point hinge allows installation on 3:12 to 12:12 sloped roofs
• Quick Alignment... Special tabs allow for easy reliable connection
• No Overdrive... Nail holes are reinforced
• No End Caps Needed!
• Less Callbacks... External baffles help deflect wind and rain
• No Gaps... Edge overhang allows smooth, continuous coverage
• Crush-Resistant... Internal structural support for added durability
• Effective... Provides 18.5 sq. in. per linear foot of net free ventilating area
• Hip & Ridge CompatibIe... Works with traditional sizes (11-1/2”x 12")


Total Attic Square Footage

1600
1900
2200
2500
2800
3100
3400

Recommended Length of Cobra Rigid Vent II

20
24
28
32
36
40
44

Minimum intake ventilation ( net free area in sq. in.)

410
490
570
650
730
820
900


Dade County 
Approval 
# 98-071305

Texas Department
of Insurance - 
Product
Evaluation RV-19

Try-Lock Roofing Company
440 Northwood Drive, Tn. of Tonawanda, NY 14223 
Phone: 716-447-1688 Fax: 716-447-1650 Email: Info@trylock.com
© 2001 Try-Lock Roofing Company | All Rights Reserved.