VENTILATION MAXIMUM 12" x 12" Maximum Brown Slanted Roof Vent

Trusted by roofing professionals across Canada, the VMAX 301-12 is the best quality roof vent on the market. With no moving parts, its unique design allows it to utilize the full effect of the wind to create a drawing power, thus eliminating any excess heat and humidity outside the attic space. The VMAX-301-12 reduces the risk of ice damming, moisture condensation and the creation mould & mildew. Built using galvanized steel this vent is completely rodent proof. The unique height design and storm-proof deflector system of the VMAX-301-12 also reduce any risk of weather infiltration.

• Unlike the turbine, these Maximum static ventilators do not require to rotate to prevent water or snow infiltrations
• Its unique patented deflector system prevents infiltrations while at the same time capturing the wind flow from any direction and at wind velocities as low as 4mph
• With this combination of technology, wind and pressure differential, a "chimney effect" results in drawing the stale air and moisture out and replacing it with fresh new air that enters through the soffits
• It's recommended ventilation capacity is 1000 to 1200 sq.ft.
• Just one of these ventilators can replace three 12" or two 14" turbines
• A bonus feature to this is its wire mesh to prevent infiltration of unwanted rodents and birds
• Has an average tested evacuation flow of 418 CFM for a relative wind of 4MPH
• This model is adaptable to roofs with slopes varying between 1/12 to 15/12
• Total ventilation capacity spread over: 12 openings
• Net ventilation: 144 sq.inches
• Minimum height: 20"

Our Return Policy

If you are not completely satisfied with your purchase, in most cases, you can return it for a refund within 90 days.

Lumber, Building Materials, Furniture and Major Appliances return policies are subject to your local store.

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