Very Steep Roof Pitch

You can reroof a steep roof but you will need to take extra safety precautions.

Very steep roof pitch.

For every 12 horizontal feet the roof changes 8 feet in vertical height. The table below shows common roof pitches and the equivalent grade degrees and radians for each. Some roofs are so high and so steep that even working from scaffolding can be dangerous. 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.

High and low pitch examples. Steep usually means that the pitch or slope is high and is difficult to walk on. Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow. For most home styles roof pitches fall in a range 4 12 a moderate slope up to 8 12 fairly steep.

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. The way pitch also known as roof slope is measured is rise over run. 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. 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.

For example that roof is very steep or that roof isn t very steep. 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. The exact roof slope in degrees is given by the arctangent. Examples of extreme slopes range from 1 4 12 almost flat to 12 12 sloping down at a perfect 45 degree angle.

2 12 4 12 conventional slope roof. You can finish the space with insulation drywall and sheetrock to create an extra workspace or climate controlled storage area. A roofing harness provides the extra security you need when working on such a roof. Steep or high pitched roofs naturally create more attic space than other roofing types.

Step 1 safety. Roof pitch is the measurement of roof steepness. 9 12 20 12 steep slope. It usually is used while comparing roofs.

Thus pitch is typically greater in areas of high rain or snowfall. 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. It comes as a set that. The more attic space you have the more versatile your home s storage options will be.

It may be used in place of pitch or slope. Most roof s have a pitch in the 4 12 to 9 12 range.