How To Measure Roof For Singles

For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

How to measure roof for singles.

Estimating shingles 1 find the square footage of the roof. Roof pitch area multipliers. For example a 4 12 pitch roof that is 100 square feet. Outside of the u s a degree angle is typically used.

The pitch of the roof is the rise over a 12 inch run. From the 1 ft 0 30 m spot you marked on the level measure upward to the rafter. Measure the length and width of each portion of the roof multiply length by width for each plane and then add the planes together for the total square footage. Once you know this number you can estimate the final price of the materials.

1 roof square 100 square feet. Measure the pitch of your roof in the attic. An important part of any roofing repair or replacement project is being able to accurately calculate the quantity of roofing materials required to finish the job. Hold the end you measured from against the bottom of a rafter so it s sticking straight out horizontally and is level.

To do this you need to note that one tab will be equal to 1 foot. Required measurements include the following. Record the measurements on your sketch of the roof. Alternatively you can purchase a measuring wheel from your local hardware store.

100 1 054 105 4ft 2. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. You will then have to get the measurement of the rake of the roof. L 30 feet h 12 feet 30 12 2 180 square feet.

If you use a measuring tape you ll need someone to hold the tape while you measure the area. 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. Then each measurement is recorded on the diagram applicable to that roof surface. 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.

Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area. Mark a length of 1 foot 0 30 m on a long level starting from one end. For example you will need to figure out the exact number of shingles required to cover the entire roof area. Climb onto your roof and measure each section by its height and width.

Measure your roof accurately use a measuring tape preferably 50 or 100 feet long and get exact ground dimensions of your house. Place the end hook of the tape on the corner and run it all the way to the opposite corner of the house. Use our roof pitch calculator to find the pitch of your roof. The length l times the height h of a triangle is twice its area a2.