Understand Roof Pitch

Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level.

Understand roof pitch. A roof that rises 4 inches vertically for every 12 inches horizontally is said to have a 4 12 pitch. Here s an easy safe way to determine the pitch from inside your attic. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Pitch is further defined as rise over run.

What is the importance of roof pitch. Technically roof pitch is the ratio of total vertical roof height the rise to total horizontal distance from wall to wall the span. To help calculate the area for this part of the roof an experienced roofer would first calculate. The first thing that you need to understand before picking any selections from a roof pitch multiplier chart is to ensure that it s affordable.

Typically the steeper the roof is the higher the price will be. First measure 12 inches from one end of the level and make a mark. It can be measured in degrees or what is known as pitch. Because it is one of the many key elements that determine the safety of the roof over your head there is a very good reason to understand the purpose of roof pitch.

Understanding the roof pitch chart process. For example if a roof s slope is 8 over 12 then it s much steeper than 4 over 12. Roof pitch is what roofers call the angle of the roof relative to a horizontal line.