Feet inches enter the width of the building.
How to measure shed roof for shingles.
Roof pitch area multipliers.
Inches enter the overhang of the gable.
Feet inches enter the overhang of the eaves.
Inches enter the wall to upper pitch start.
You will then have to get the measurement of the rake of the roof.
Waste is calculated at 7 5 for a gable roof and 15 for a hip roof which are typical in the roofing industry.
Note that in the last 3 4 years costs of roof shingles and many accessories have gone down by an average of 18 20 currently the us national average for benchmark architectural shingles is around 74 51 square or 25 per bundle.
100 1 054 105 4ft 2.
Measure the pitch of your roof in the attic.
Instructions enter the length of the building.
Hold the end you measured from against the bottom of a rafter so it s sticking straight out horizontally and is level.
Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof 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.
Now we need to calculate the shingles required for the ridge cap.
Mark a length of 1 foot 0 30 m on a long level starting from one end.
Total length of the roof ridge is 96 in.
For example a 4 12 pitch roof that is 100 square feet.
Use our roof pitch calculator to find the pitch of your roof.
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.