Which Way To Pitch Roof Based On Wind

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.

Which way to pitch roof based on wind.

Roofs on victorian era houses were often sharply angled with a steep pitch. Building a 4 slope hip style roof has been found to lessen the load of the wind on the house. Think of a classic addams family haunted house with its soaring peaks and you have a. Build a moderately pitched hip roof.

A single storm can destroy a roof in many cases. Visually this roof appears flat. A roof at 9 12 is considered a very high pitch. Pitch is a measure of the steepness of a roof.

Flat roofs increase uplift forces on the overhang and are more prone to leaks. And ironically one of the biggest factors in damage to a roof is windblown debris often the debris of other people s failed roofs. It was fashionable for modern style homes built in the 1960s to have little pitch just a barely negligible slope to help drain water. This pitch might be as low as 1 12.

Pitch is usually described as a ratio of vertical rise in inches for every 12 inches of horizontal surface. Roof pitch refers to the angle of your roof or how steeply it slopes. A flat roof would have a 2 12 pitch while the average roof pitch would be between 4 12 and 9 12. Any pitch higher than 9 12 is considered a steep pitch.

A 2 12 roof which rises two inches for every 12 inches covered is considered a very low pitch. A roofing system isn t just 5 smart tips for choosing the best roof for high winds read more. A typical 2 slope gable roof is often times cheaper to build but it allows the wind to catch the roof and it is much more easily blown away. Because mid range slope roofs withstand strong winds better than steep roofs keep the roof pitch below 6 12 and greater than 4 12.

Lower slopes don t handle wind driven rain as well. The pitch of the roof is determined by the vertical rise in inches for every horizontal twelve inch length. The hip style roof can stand up to high winds when a storm comes. A 30 degree roof slope 7 12 pitch is the right pitch to aerodynamically handle high wind.

But there are things you can do to protect your roof and therefore your home.