Proper ventilation is an important; often overlooked, contributor to roof health. Controlling the temperature of the roof with ventilation will increase the life of roof coverings (e. g. shingles) , as well as help prevent roof damaging problems like ice dams.

To control the temperature of the roof, ventilation is key. You'll want outside air to be able to flow along the underside of the roof, and warm moist air to be able to escape from under the roof. But wait I want to insulate my roof to keep my heat in you might say How can I insulate the roof, and still keep proper air flow? Hold on to your britches, we'll get to that. But first, we have to talk about roof vents.

Roof vents

When the sun beats down on the roof the roof becomes hot (obviously) , this heats the air under the roof. Our first step to ventilating the roof, is to get this hot air out from under it. We can get some help here since warm air is less dense than cold air, so it will rise naturally. To allow all this rising air to escape, we'll want to install some roof vents. These can be either a vent on the face of the roof near the ridge,

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www.gcwconstructioncorp.com

Published on

Jul 29, 2017

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