Roof Pitch For Hot Climates

Pitch is a measure of the steepness of a roof.

Roof pitch for hot climates.

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. 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. One role of your roof in your climate is to act as a giant shade device for your home. Any pitch higher than 9 12 is considered a steep pitch.

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. A flat roof would have a 2 12 pitch while the average roof pitch would be between 4 12 and 9 12. The pitch of the roof is determined by the vertical rise in inches for every horizontal twelve inch length. It is the membrane painted over the top of the foam that you want to be as reflective and emissive as possible.

Metal roofing can also be a very sustainable choice because much of it is produced using recycled materials. 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. This air cushion can cut cooling costs by as much as 20 percent. Look up the product you are considering on the cool roof rating council s website for its initial and three year ratings.

The cost of a. 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.