Specifications
Static Roof Vents
HOW TO SPECIFY NON-POWERED ROOF VENTS
View the wide range of colors in which our products are available in our color chart.
According to federal guidelines, homes require 1 square foot of net free area (the total unobstructed area through which air can enter or exhaust a non-powered vent) for every 150 square feet of attic floor space. If balanced between intake and exhaust vents, the requirement is 1 square foot of net free area for every 300 square feet of attic floor space.
NON-POWERED ROOF VENTS
| Type | Colors | Net Free Area (Sq. In.) |
| SLA Slant Aluminum | Gray, Black, Brown, Weatherwood, White | 50/pc. |
| RV 51 High Collar Aluminum | Mill, Weatherwood | 51/pc. |
| RVA 51 Square Aluminum | Mill, Black, Brown, Weatherwood, White | 50/pc. |
| RVG 51 Square Galvanized | Mill, Black, Brown, Weatherwood | 50/pc. |
| RVA 40 Slant Aluminum | Mill, Black, Brown, Weatherwood | 40/pc. |
| RVG 40 Slant Galvanized | Mill, Black, Brown, Weatherwood | 40/pc. |
| RVG 55 Slant Galvanized | Mill, Black, Brown, Weatherwood | 50/pc. |
| SLP Slant Plastic | Gray, Black, Brown, Weatherwood | 61/pc. |
| SQP Square Plastic | Gray, Black, Brown, Weatherwood | 61/pc. |
| B-144 Galvanized Steel Dome | Mill, Black, Brown, Weatherwood | 144/pc. |
| B-144 Plastic Dome | Gray | 144/pc. |
WIND TURBINES
| Type | Net Free Area (Sq. In.) |
| Wind Turbines | 112/12" turbine 154/14" turbine |
MINIMUM NUMBER OF NON-POWERED VENTILATORS NEEDED
(If ventilation is split between soffit and ridge)
| Net Free Area Required (Square Inches) | |||||||
| 240 | 480 | 720 | 960 | 1200 | 1440 | ||
| Attic Square Footage | Type of Vent | ||||||
| 500 | 1000 | 1500 | 2000 | 2500 | 3000 | ||
| EXHAUST PRODUCTS | |||||||
| 3 | 5 | 8 | 10 | 12 | 15 | roof vent (50 sq. in. net free area per piece) |
|
| 2 | 4 | 6 | 8 | 10 | 12 | roof vent (61 sq. in. net free area per piece) |
|
| 1 | 3 | 4 | 5 | 6 | 7 | 12" wind turbine | |
| 1 | 2 | 3 | 4 | 4 | 5 | 14" wind turbine | |
| INTAKE PRODUCTS | |||||||
| 5 | 9 | 13 | 18 | 22 | 26 | 16" x 4" undereave | |
| 3 | 6 | 9 | 12 | 15 | 18 | 16" x 6" undereave | |
| 3 | 5 | 7 | 9 | 11 | 13 | 16" x 8" undereave | |
| 4 | 8 | 10 | 14 | 18 | 20 | 4' The Edge Vent | |
| 2 | 4 | 5 | 7 | 9 | 10 | 8' continuous soffit vent | |
| 2 | 3 | 4 | 6 | 7 | 8 | 10' vented drip edge | |
Static Vents: Roof Louvers | Wall Louvers | Wind Turbines
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