How To Measure Roof Pitch With A Speed Square

Let s assume it is equal to 6 m.

How to measure roof pitch with a speed square.

Place the level horizontally along the rafter until it contacts the roof sheathing avoiding any protruding roof nails. Measure the run length it is the horizontal distance between the roof ridge and the wall of the building. If you need to find the pitch of an existing roof all you need is a level and a tape measure. Measure the rise of your roof.

With a torpedo level and a speed square you can pretty accurately gauge the pitch of any roof with a gable end photo 1. A 14 in 36 cm difference for example indicates a pitch of 7 in 18 cm. Then place a torpedo level on the fat base of the rafter square and adjust the square until the level is level. 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 12 inch mark straight down.

Use a level and a pencil to make a plumb vertical line on one face of an existing rafter. This is simply 100 square feet of roof. A square simply refers to a 10 x 10 square of roofing. For instance if the roof is 1550 square feet then it is 16 squares.

Working from the interior side of the roof you ll need access to a roof rafter to measure the pitch. How to measure roof pitch with a speed square. Let s say it is equal to 1 5 m. Place the pivot point against the shingles.

Measure with a speed square a speed square and level can be used to easily find the pitch of a roof. Place the pivot point on the square against the bottom of the rafter and align the 90 degree angle side of the square with the pencil mark. To find the squares divide the overall roof area by 100 and then round up. Read the pitch on the side of the rafter square.

A distance of 7 inches 18 cm for example would mean your roof has a pitch of 7 in 12.