Mike Holmes: It’s not just snow and rain that will shorten the life of your roof

Roof ventilation is key to protecting your roof and attic space. Attics and roofs need to breathe or they’ll start to decay. Remember, we produce a lot of moisture in our homes, from showering, doing laundry, cooking, doing dishes — even breathing. All of these things lead to moisture in your home, and that moisture needs to escape or you’ll run into issues like mould and rot. http://news.nationalpost.com/homes/mike-holmes-its-not-just-snow-and-rain-that-will-shorten-the-life-of-your-roof