Roof Pitch For Hot Climates

Roofs to beat the heat.

Roof pitch for hot climates.

Even in these arid regions so called flat roofs are still installed with a slight pitch to keep water from pooling on top of the structure. The cost of a. In fact in hot climates a metal roof creates vital airspace between the decking and the roofing forming a thermal barrier much as terra cotta tiles do. A good roof pitch would be atleast 30 degrees although traditional vernacular samples may go as high as 45 degrees which i think is better.

A flat roof would have a 2 12 pitch while the average roof pitch would be between 4 12 and 9 12. Flat roofs are common with industrial buildings boasting wide roof spans and are also popular in dry climates for houses where there is no need for the roof to help disperse rain and snow. Any pitch higher than 9 12 is considered a steep pitch. Pitch is a measure of the steepness of a roof.

This air cushion can cut cooling costs by as much as 20 percent. Homeowners in extremely hot desert climates need a roof that will not absorb heat and draw it into the house. One role of your roof in your climate is to act as a giant shade device for your home. Hurricane force winds like you ll encounter in florida can blow shingles off the roof but flat sheets of metal roofing have more wind resistance than most shingle roofing.

Look up the product you are considering on the cool roof rating council s website for its initial and three year ratings. The pitch of the roof is determined by the vertical rise in inches for every horizontal twelve inch length.