GAF Cobra RidgeRunner Low-Profile Ridge Vent, 11-1/2 in. x 20 ft or 30 ft Roll, Black

GAF Cobra RidgeRunner is a low-profile exhaust ridge vent that lets heat and moisture escape at the ridge while giving the roof a neat finished look. Sold as an 11-1/2 in. wide roll in 20 ft or 30 ft filtered lengths in black, it delivers 12.5 sq. in. per linear foot of net free ventilating area. Fasten it with the included 1-3/4 in. corrosion-resistant ring shank coil nails and cap with ridge shingles.

Key Features:

• Low-Profile Look: Low-profile design allows heat and moisture to escape at the ridge with a neat finished appearance.
• High Airflow: Provides 12.5 sq. in. per linear foot of net free ventilating area.
• Weather Fighter Filter: Integral Weather Fighter Filter helps resist weather infiltration and meets ICC dust exposure testing requirements.
• Easy Roll-Out: 30 ft roll features smooth roll-out with reduced spring-back and recoil for easier installation.
• Nail-Gunnable: Fully nail-gunnable; roll out and fasten the vent and cap shingles with included ring shank coil nails.
• Durable Build: Manufactured with UV-resistant polymers and an internal crush-resistant structure.

Specifications Table:

Coverage & How Much You Need:

One 20 ft roll vents 20 linear feet of ridge and one 30 ft roll vents 30 linear feet. Measure your ridge length and divide by the roll length to order enough rolls, butting rolls end to end along the ridge.

Fit and Compatibility:

Cobra RidgeRunner installs at the ridge of pitched shingle roofs and is capped with standard ridge cap shingles. It pairs with intake ventilation at the soffit or eave (sold separately) for balanced attic ventilation. Cut the roof deck sheathing slot per GAF installation instructions before laying the vent.

Frequently Asked Questions (FAQ):

Q: What is included with the vent?
A: Each roll includes 1-3/4 in. corrosion-resistant ring shank coil nails for fastening the vent and cap shingles.

Q: How much ridge does one roll cover?
A: The 20 ft roll covers 20 linear feet of ridge; the filtered 30 ft roll covers 30 linear feet.

Q: How is it installed?
A: Cut the sheathing slot per the manufacturer's instructions, roll out the vent along the ridge, nail it with the included coil nails, then cap with ridge shingles.

Q: What is the difference between the 20 ft and 30 ft versions?
A: The 30 ft version includes the Weather Fighter Filter; both provide 12.5 sq. in. per linear foot of net free ventilating area.

Q: Does it keep out weather and dust?
A: The integral Weather Fighter Filter helps resist weather infiltration and meets ICC dust exposure testing requirements on the filtered version.

Q: Will it hold up over time?
A: It is made with UV-resistant polymers and an internal crush-resistant structure for durability under cap shingles.

Expert Verdict — Reviewed by the SuperArbor Pro Desk

Ridge vent only works as well as the intake feeding it, so size soffit or eave intake to match the 12.5 sq. in./ft the RidgeRunner exhausts. The reduced spring-back makes a single-person roll-out practical, and being fully nail-gunnable speeds production on long ridges. Choose the filtered 30 ft roll where wind-driven rain and dust are a concern; use 20 ft rolls on shorter ridge runs to minimize waste.

Work safely at the ridge on sloped roofs, use fall protection, and verify the sheathing slot dimensions against the manufacturer's instructions before cutting.

Add GAF Cobra RidgeRunner ridge vent rolls to your next attic ventilation job.