How To Check Pitch Of Roof

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.

How to check pitch of roof.

To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. This is the amount your roof inclines in a 1 foot span or the pitch of your roof. Measuring a roof pitch. Check for cracked housings on plastic roof vents and broken seams on metal ones.

It isn t necessarily a 12 inch run but the entire span. Roof pitch is used to describe the slope or angle of the roof. Divide the first part of the ratio by 12 to work out the pitch. To convert between american roofing ratios and pitch degrees follow these steps.

Here s an easy safe way to determine the pitch from inside your attic. Pitch is shown as a fraction which divides the rise by the span. Marvel at your mathematical. The tools required will be a contractor s level at least 24 inches long and a tape measure.

Find the inverse tangent of the pitch to find the angle in degrees. So if the roof has a 24 foot span and has a 4 foot rise then it has a 1 6 pitch. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. There s really no fix other than replacing the damaged vents.

First measure 12 inches from one end of the level and make a mark. Roof pitch refers to the amount of rise a roof has compared to the horizontal measurement of the roof called the run. 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.

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. You might be tempted to throw caulk at the problem but that solution won t last long. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot.

Replace them with rubber washered screws. Ideally you will have safe access to your roof from inside the building. Place the end of your level the 0 inch point of your 12 marking against the roof surface.