How To Measure Roof Pitch From Inside

To use this method there are 3 possible places to take your measurements.

How to measure roof pitch from inside.

Roof pitch calculator results explained. Measure the run length it is the horizontal distance between the roof ridge and the wall of the building. Step 1 access a rafter. Calculate the rafter length substituting these values.

Let s say it is equal to 1 5 m. To determine the finished height of the ridge beam add the rise m and the y height. On a ladder beside the roof place the level a foot or so up the roof hold it level and measure from the 12 inch mark on the level s bottom straight down to the roof. Pitch measurement method 1 1.

Pitch is expressed as x in 12 inches. To find the pitch of your roof you ll first need to set up a ladder tall enough to reach it. Roof slope calculator example of use. First measure 12 inches from one end of the level and make a mark.

Access one of the rafters then take the measurement this way. The top of the ridge beam m y. 8 inches and you have an 8 in 12 pitch. If this distance measures 4 inches you have a 4 in 12 pitch.

How to measure roof pitch to measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Measuring from the underside of the roof is usually the most accurate way to find the slope since there is no roofing material to make an uneven surface. The most precise way to find the roof s slope is by measuring it from the underside. Measure the rise of your roof.

Any of the following will give you a good measurement 1 x research source a rafter in the attic. Place one end of a carpenter s level against the underside of the. Placing a ladder near the roof you will put a level a foot or so up on the roof hold it level and measure from the. Locate the level s 12 inch mark.

A barge rafter at the side of the gable step 2 position a level against the underside of the rafter. Let s assume it is equal to 6 m. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. Roof pitch angle in degrees the measurements are taken from the bottom of the rafters the procedure to calculate roof pitch is the same.

On a ladder at the walled part of the pitched roof place the level against the roof overhang rafter with the 12 inch. The overhang of a rafter at the end of the roof. Using ruler and tape you can do it anyway of these ways. This method tends to be more accurate because no layers of roofing are involved.