Roof ventilation / Green Building & Sustainable Home Renovation Information & Advice

...roof and how to build one What is an unvented roof and how to build one Which insulation is best for unvented roofs? Arctic roofs: a solution for very cold climates Proper design and construction: key considerations Choosing the right roof for your project What is a vented roof and how to build one A vented roof asse...

...ventilation. How to vent a roof properly Do you need to ventilate a roof in warm climates? Along with preventing frost build-up in a cold climate, roof ventilation also prevents roofs from overheating in the summer, which prevents premature aging. Unventilated attics or insufficiently vented attics in warm climates (...

...roofs, letting water penetrate and cause damage to the interior of walls and roofs.  When snow melts on a roof it runs down until it meets the unheated bottom edge of a roof and then freezes. This chunk of ice is called an ice dam, and it can cause water to backup beneath shingles and Ice dams cause damage to walls and...

...ventilation: Attic ventilation is essential to prevent ice in roofs, be certain that your roof ventilation is able to do its job. Next, roof ventilation - make sure your attic is properly ventilated. Check the attic to make sure that insulation isn't jammed down on the edges and blocking soffit vents. Proper ventilat...