Roof Pitch For Hot Climates

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Roof pitch for hot climates. A flat roof would have a 2 12 pitch while the average roof pitch would be between 4 12 and 9 12. Look up the product you are considering on the cool roof rating council s website for its initial and three year ratings. Any pitch higher than 9 12 is considered a steep pitch. There are examples of bahay kubo with the house to roof ratio of one is to three meaning the height of the walls of the house is one third the height of the roof which makes for very cool interiors since the inhabitants are very far from the.

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. It is the membrane painted over the top of the foam that you want to be as reflective and emissive as possible. 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. 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.

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. Homeowners in extremely hot desert climates need a roof that will not absorb heat and draw it into the house. 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. Roofs to beat the heat.

One role of your roof in your climate is to act as a giant shade device for your home. The pitch of the roof is determined by the vertical rise in inches for every horizontal twelve inch length.