ventilation

You’ve Got Attic Ventilation Questions. The RAVC Has Answers By: Paul Scelsi, Air Vent, Inc., on behalf of the Roof Assembly Ventilation Coalition On the surface attic ventilation may not appear to be a “top of mind” concern for contractors working on the roof and inside the attic. After all,

Many roofing contractors report that when they take the time to do an attic inspection they are not only being thorough for the customer, but they are standing apart from their competition because many roofing contractors do not do attic ventilation inspections http://www.airvent.com/index.php/ventilation-resources/literature-sales-tools/articles/104-the-benefit-of-attic-inspections-an-article-by-the-ravc

The International Residential Building Code (IRC) is the predominant single-family residential building code in the United States. Vented attics are the “default” construction practice recognized by the IRC. Changes to recent editions of the IRC have introduced unvented (sealed) attics as an alternative. Deciding which approach to

If you have ever been in an attic, you know how hot such spaces can get. The primary source of heat is direct sunlight. Solar heat is transmitted through the roofing material and radiated to the ceiling insulation. As the roof and insulation warm up, the attic air

With the housing market on what appears to be a slow path toward improvement, the growth potential for roofing contractors in the coming year will be largely dependant upon reroofing projects and add-on services. And, while roofing professionals look to marketing to help drive new business and

If you shower, cook, wash dishes, clean, do laundry – if you breathe – inside your home, you’re generating water vapor. Lots of it. Gallons, in fact. Every day. And if it’s not ventilated properly out of the attic, that water vapor can become a moisture problem

Heat is energy or the flow of energy. On a cloudless day, it arrives from the sun at a rate of more than a kilowatt per square meter. Some of this energy is reflected but even accounting for reflectivity (or albedo) a substantial fraction is absorbed by the roof as