Understand 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.

Understand roof pitch. A roof that rises 4 inches vertically for every 12 inches horizontally is said to have a 4 12 pitch. For example if a roof is 8 feet high and spreads out from the center covering 12 feet in each direction the rise over the run would be 8 12. First measure 12 inches from one end of the level and make a mark. To help calculate the area for this part of the roof an experienced roofer would first calculate.

Pitch is further defined as rise over run. Simply put roof pitch is the measurement of the angle or the steepness of your roof. 5 x research source although most homeowners do not need to measure pitch it still pays to understand this term. Here s an easy safe way to determine the pitch from inside your attic.

Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Roof pitch is what roofers call the angle of the roof relative to a horizontal line. Roof pitch is the rise of the roof over the run of the roof.

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. What is the importance of roof pitch. A pitch factor also known as a pitch multiplier helps roofers calculate for waste which is the extra materials they ll need because of the given roof pitch.