Very Steep Roof Pitch

Follow the simple steps belsow to reroof your own steep roof.

Very steep roof pitch.

Architecturally described as a dramatic pitch the extremely steep roof esr is considered to have a pitch in excess of 12 12 up to a plumb vertical plane. Most roof s have a pitch in the 4 12 to 9 12 range. A ratio is the most common way of expressing roof pitch or roof slope but degrees are also possible. It usually is used while comparing roofs.

A roofing harness provides the extra security you need when working on such a roof. Roof pitch is the measurement of roof steepness. Step 1 safety. It may be used in place of pitch or slope.

You can reroof a steep roof but you will need to take extra safety precautions. However in general terms low slope roofs commercial roofs are those below 2 12 or 3 12 while steep slope roofing would consists of roof pitches above either 2 12 or 3 12 and higher. The way pitch also known as roof slope is measured is rise over run. For every 12 horizontal feet the roof changes 8 feet in vertical height.

It comes as a set that. For example that roof is very steep or that roof isn t very steep. Steep usually means that the pitch or slope is high and is difficult to walk on. High and low pitch examples.

2 12 4 12 conventional slope roof. A pitch over 9 12 is considered a steep slope roof between 2 12 and 4 12 is considered a low slope roof and less than 2 12 is considered a flat roof. So if your roof rises 4 inches for every 12 inches of horizontal length then the pitch of your roof is expressed as 4 12. Examples of extreme slopes range from 1 4 12 almost flat to 12 12 sloping down at a perfect 45 degree angle.

For most home styles roof pitches fall in a range 4 12 a moderate slope up to 8 12 fairly steep. Thus pitch is typically greater in areas of high rain or snowfall. The roofs that fall into this category are most often classified as lower gambrels mansards a frames and either carpenter gothic or victorian gothic revival roofs. The more attic space you have the more versatile your home s storage options will be.

With the proper tools and materials this home improvement job will probably take a minimum of 2 days to complete providing the weather is clear. 9 12 20 12 steep slope. Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow. Some roofs are so high and so steep that even working from scaffolding can be dangerous.

The table below shows common roof pitches and the equivalent grade degrees and radians for each. The steep roof of the tropical papua new guinea longhouse for example sweeps.