GAF 2028000/2027000 Cobra Snow Country Exhaust Vent, Polypropylene, Bl
Description
Highlights:
- Color : Black
- Material : High-impact Polymer
- Width : 13.7 in
- Length : 4 ft
- Net Free Area : 18 sq-in
- Allows heat and moisture to escape at the most effective location the ridge
- Helps resist snow infiltration in harsh winter weather
- Helps resist snow infiltration in harsh winter climates
- Prevent roof rot in attic or roof deck
- Minimize peeling and extend the life of exterior and interior paint
- Limits mold growth
- Allows heat/condensation to escape at most effective location
- Shingle-over design blends into ridge line
- Watertight, passes 110-MPH wind-driven rain test
- External baffles help deflect wind/rain, no end caps needed
- 1/8" louver spacing helps keep insects out
- Energy-efficient, crush-resistant, with internal structural support for added durability
- Flexible 3-point hinge for installation on 3:12 to 16:12 sloped roofs
- 40' replaces 18 conventional or ten 12" turbine roof vents
- Quick alignment, special tabs for easy, reliable connection
- No overdrive, reinforced nail holes
- "EasyTear" feature allows product to be hand-torn in 3" increments
- Edge overhang allows smooth, continuous coverage between sections
- Provides 18 sq.in/linear foot net-free ventilating area
- Works with traditional size ridge cap shingles
- Boxed