How Do U Measure A Roof For Shingles

L h 2 area calculating an area of a triangle when estimating a roof.

How do u measure a roof for shingles. This doesn t have to be an exact sketch but. And then i will count the of rows of shingles between the gutter and the peak of the roof and then divide the number by 2 which gives me the height measurement. Calculate the square. Roof surfaces are measured in squares with each square being 100 square feet.

To do this you need to note that one tab will be equal to 1 foot. Measure the pitch of your roof in the attic. Climb onto your roof and measure each section by its height and width. Hold the end you measured from against the bottom of a rafter so it s sticking straight out horizontally and is level.

Complete one side at a time before moving on to other areas. Divide the roof into manageable sections. Required measurements include the following. I typically begin by counting the of shingles from left to right which gives me the total width of the section in feet.

You will then have to get the measurement of the rake of the roof. Mark a length of 1 foot 0 30 m on a long level starting from one end. 1 roof square 100 square feet. The length l times the height h of a triangle is twice its area a2.

Then each measurement is recorded on the diagram applicable to that roof surface. Extend your tape measure along the outer edges of the roof to find its length and width in feet. How to measure a roof for shingles draw a rough layout of your roof. If the existing shingles are standard 3 tab shingles you can get this measurement by taking note of the number of tabs along the eaves and ridges then determine the length in feet.

Measure and record your findings. How to measure a roof for shingles step by step the process of accurately measuring a roof involves first making a diagram of the roof to show the basic shapes of each roof plain and how they relate to one another. So if your roof is 26 000 square feet you ll need 260 squares to coat it. From the 1 ft 0 30 m spot you marked on the level measure upward to the rafter.