How To Check Pitch Of Roof

Pitch is shown as a fraction which divides the rise by the span.

How to check pitch of roof.

It isn t necessarily a 12 inch run but the entire span. Roof pitch refers to the amount of rise a roof has compared to the horizontal measurement of the roof called the run. Place the end of your level the 0 inch point of your 12 marking against the roof surface. So if the roof has a 24 foot span and has a 4 foot rise then it has a 1 6 pitch.

Ideally you will have safe access to your roof from inside the building. A 12 12 pitch roof has a pitch angle of 45. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. To see how pitch impacts the look of a garage and changes cost click the design center button on our pole barn kits page.

The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Divide the first part of the ratio by 12 to work out the pitch. This is the amount your roof inclines in a 1 foot span or the pitch of your roof.

Check for cracked housings on plastic roof vents and broken seams on metal ones. Measuring a roof pitch. Check your results with the omni roof pitch calculator. Marvel at your mathematical.

The tools required will be a contractor s level at least 24 inches long and a tape measure. Also look for pulled or missing nails at the base s bottom edge. So a roof that rises six inches for every foot of run has a 6 in 12 slope. If not you will need to make your measurement from on top of the roof itself or at the edge of the roof with a ladder.

Roof pitch is used to describe the slope or angle of the roof. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. First measure 12 inches from one end of the level and make a mark. Here s an easy safe way to determine the pitch from inside your attic.

To convert between american roofing ratios and pitch degrees follow these steps. Find the inverse tangent of the pitch to find the angle in degrees. Hold the level straight and level bubble centered and then measure the vertical distance down from the your 12 mark on the level down to the roof.