How To Check Pitch Of Roof

First measure 12 inches from one end of the level and make a mark.

How to check pitch of roof.

So a roof that rises six inches for every foot of run has a 6 in 12 slope. Check your results with the omni roof pitch calculator. 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. Here s an easy safe way to determine the pitch from inside your attic.

There s really no fix other than replacing the damaged vents. Roof pitch is used to describe the slope or angle of the roof. Place the end of your level the 0 inch point of your 12 marking against the roof surface. Divide the first part of the ratio by 12 to work out the pitch.

Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. 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. Check for cracked housings on plastic roof vents and broken seams on metal ones. Measuring a roof pitch.

Roof pitch refers to the amount of rise a roof has compared to the horizontal measurement of the roof called the run. It isn t necessarily a 12 inch run but the entire span. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. Marvel at your mathematical.

Find the inverse tangent of the pitch to find the angle in degrees. Replace them with rubber washered screws. The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed. The tools required will be a contractor s level at least 24 inches long and a tape measure.

This is the amount your roof inclines in a 1 foot span or the pitch of your roof. Also look for pulled or missing nails at the base s bottom edge. A 12 12 pitch roof has a pitch angle of 45. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil.

Ideally you will have safe access to your roof from inside the building. To see how pitch impacts the look of a garage and changes cost click the design center button on our pole barn kits page. So if the roof has a 24 foot span and has a 4 foot rise then it has a 1 6 pitch.