Showing posts with label Roofing. Show all posts
Showing posts with label Roofing. Show all posts

Thursday, January 31, 2013

Roof Ventilation: What does Rosie recommend?


First, let’s look at the kinds of roof vents.

Gable/louvers vents. Louvers are covered openings that allow air to escape the attic. They are located on the gable (non load-bearing) ends of the house and allow limited airflow. This system relies on wind direction to create airflow through the attic. When the wind blows perpendicular to the ridge, it circulates air around the louver, which  acts as it own intake and exhaust vent. If the wind blows parallel to the ridge, the airflow pattern acts as a draft that moves in one louver and out the other.

Power fans. Fans draw air through the attic by creating an air flow. They are effective, but they don’t allow natural forces to ventilate the attic. Plus, it’s somewhat expensive to buy, install and operating power fans, a cost that is greater than the fans’ benefit. Fans do not create airflow over the roof sheathing. Even fans that automatically turn on and off at selected temperatures are not worth the investment because the summer heat in the attic will cause the fan to run almost continually.

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Friday, September 14, 2012

Tile Roofs: Pros and Cons

Tile roofing, which lasts a long time and won’t rot or burn under a scorching summer sun, is a great choice for Arizona rooftops. And nothing says “Southwestern style” quite like it. The most common tile roofs on Arizona homes are clay, concrete and sand-cast.
Pros:

Longevity. A concrete tile roof will last and last, and clay tile will probably longer than any other kind of roofing material. Some manufacturers estimate their product will last 50 years, but many Arizona homes sport tile roofs that are older.

Style. Clay, concrete and sand-cast tiles make a beautiful roof that gives a home a distinctly Southwestern flair.

Improvements. Manufacturers are making concrete tile to look like wood shakes—but without the fire danger. And they’re coming out with lighter-weight tiles.

Other. Tiles are fireproof and resist rot and insects.

Cons:

Weight. Most tiles is so heavy that your roof needs reinforcement to support its weight. If you’re replacing a shingled roof with tiles, you’ll need to hire a structural engineer (cost: $400 - $600) to tell you where to beef up the wood in the attic to hold the extra weight. Then you might have to spend $1,500 or so on adding that woodwork, in addition to paying for the tile.


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For more information and for answers to all YOUR Landscape, Garden and Home Improvement questions, visit our website, Rosieonthehouse.com
 
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