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August 23, 2019

Ventilate attic mnYou’re probably aware that most attics and roofs are vented. Maybe you’ve seen a fan in the side of your attic under the eaves, or maybe you’re aware of the ridge cap at the peak of your roof. What you may not know, however, is that most homes don’t have enough attic ventilation, and that this lack of adequate ventilation can be raising your energy bills and doing damage to your home. Proper attic ventilation is an important part of overall roof maintenance.

Attic ventilation is important to keep the air flowing through your attic, rather than simply letting it sit. Ventilation essentially helps outside air pass through and out of your attic, removing excess heat and moisture from the air of your attic as it does so. Air is taken in through areas like your soffits and eaves through, and is exhausted through the roof at your ridge cap or by a roof vent. This helps create the right air balance in your attic, which plays an important role in keeping your home comfortable.

Since most roofs are under ventilated, many people have no idea just how much roof ventilation they need, or what kind to purchase. The FHA recommends that you have 1 square foot of attic exhaust (both intake and exhaust) for every 300 square feet of attic space.

A lack of ventilation can cause a whole host of problems in and around your home. Depending on the climate that you live in, lack of proper ventilation can have a serious impact on your energy bills and the lifespan of things like your roof.

One of the problems that a lack of attic ventilation can cause is a super heated attic. Without the air moving through the space, the air trapped inside starts to heat up with the sun beating down on the roof. This heat then transfers itself through the floor of your attic and begins to warm the rooms of your home. This in turn leads to higher energy bills as your fans and AC work to combat it.

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MGT Insulation, Inc.
3100 Country Drive
Little Canada, MN 55117
Phone: 651-674-6225
Email: MGTInsulation@gmail.com

Minnesota Residential Building Contractor Lic. # BC526349

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