Which Way To Pitch Roof Based On Wind

Building a 4 slope hip style roof has been found to lessen the load of the wind on the house.

Which way to pitch roof based on wind.

A flat roof would have a 2 12 pitch while the average roof pitch would be between 4 12 and 9 12. And ironically one of the biggest factors in damage to a roof is windblown debris often the debris of other people s failed roofs. Roof pitch refers to the angle of your roof or how steeply it slopes. Think of a classic addams family haunted house with its soaring peaks and you have a.

Lower slopes don t handle wind driven rain as well. This pitch might be as low as 1 12. A 30 degree roof slope 7 12 pitch is the right pitch to aerodynamically handle high wind. Because mid range slope roofs withstand strong winds better than steep roofs keep the roof pitch below 6 12 and greater than 4 12.

Visually this roof appears flat. A 2 12 roof which rises two inches for every 12 inches covered is considered a very low pitch. Build a moderately pitched hip roof. It was fashionable for modern style homes built in the 1960s to have little pitch just a barely negligible slope to help drain water.

The pitch of the roof is determined by the vertical rise in inches for every horizontal twelve inch length. A single storm can destroy a roof in many cases. Any pitch higher than 9 12 is considered a steep pitch. The hip style roof can stand up to high winds when a storm comes.

Flat roofs increase uplift forces on the overhang and are more prone to leaks. Roofs on victorian era houses were often sharply angled with a steep pitch. Pitch is a measure of the steepness of a roof. Pitch is usually described as a ratio of vertical rise in inches for every 12 inches of horizontal surface.

High wind regions key issues n special installation methods are recommended for asphalt roof shingles used in high wind coastal regions i e greater than 90 mph gust design wind speed. But there are things you can do to protect your roof and therefore your home. N use wind resistance ratings to choose among shingles but do not rely on ratings for performance. A roof at 9 12 is considered a very high pitch.

Steeper slopes increase the sail effect that makes them susceptible to wind.