How To Measure A Triangle Roof

8 inches and you have an 8 in 12 pitch.

How to measure a triangle roof.

If the roof has a triangular shape stretch your tape measure along the bottom edge then measure from the peak point down to the center of the bottom edge. L 30 feet h 12 feet 30 12 2 180 square feet. Find the dimensions of each of the roof s faces. Use a level against the underside of the rafter you re measuring to get the most accurate value.

If this distance measures 4 inches you have a 4 in 12 pitch. For trapezoidal roofs measure the bottom edge the top edge also known as the ridge and the distance between the 2 edges. So if you divide your answer of a product of length times height by two you will get the area of a triangle. The length l times the height h of a triangle is twice its area a2.

Locate the level s 12 inch mark. Pitch measurement method 1 1. Record this as the roof width. The most precise way to find the roof s slope is by measuring it from the underside.

Access one of the rafters then take the measurement this way. For example if the roof slopes up from the front of a. 1 roof square 100 square feet. If you have a roof section that s 30 feet 9 1 m long and 12 feet 3 7 m high multiplying those dimensions would give you an area of 180 square feet 17 m 2.