Metal Roofing Calculator

How to Measure A Roof for Metal Roofing?

How do you calculate the length of a metal roof panel?

Finally, enter the coverage area (width) of the panels you plan to buy. For instance a 38″ panel will have an effective coverage width of 36″. The metal roof length calculator calculates the distance from peak to trim so add the length you want the roof metal to extend beyond the eave trim. We recommend about 2″.

How do you measure for a steep roof?

You will need to go up on top. If the pitch of the roof is not that steep, you won’t have to worry too much about following. You should do this with someone that can hold one end of the tape measure so you can go to the other ends. You will then measure how much it will be for the with all the way to the edge.

How do I figure out how many sheets of roofing I need?

Divide the total roof area by the effective area of a single sheet and round up the result to the next whole number. The result is the number of sheets required.

How do I calculate corrugated metal roofing?

Call your metal provider and ask for the width of the corrugated metal, which is commonly 36 inches. Multiply the length of the sheet — sheets vary in length depending on your need — times the width. For example, 10 feet times 3 feet (36 inches wide) equals 30 square feet. One sheet will cover 30 square feet.

Here’s our step-by-step guide for measuring the total roof area for installation:

  1. Step 1: Start by sketching out a top-down view of your home’s roof. …
  2. Step 2: Measure the length of your roof. …
  3. Step 3: Next, figure out the width of the metal that you’re installing. …
  4. Step 4: Repeat Step 3 for the other side of the roof.

How do you figure linear feet for a metal roof?

24 inches divided by 12 inches is equal to 2 feet and 36 inches divided by 12 inches is equal to 3 feet. First we will calculate the 2-foot wide material. Divide 533 square feet by 2 feet and the result is 266.5 linear feet. Next do the same with the 3-foot material and the result is 177.66 linear feet.

Install Metal Panels

Align the first metal roofing panel so that it overlaps the edging by 1/2 to 3/4 of an inch and is square to the roof line. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Follow us!

What is the standard width of metal roofing?

The two most common widths are 26 and 36 inches. Other standard widths include 24 and 39 inches. When calculating coverage using the width and length of corrugated roofing, keep in mind that each piece will need to overlap by several inches.

How do you calculate roofing materials?

To estimate roofing materials, start by finding the total square footage of the roof and divide the number by 100 to determine the number of “squares” in the roof. Since it takes 3 bundles of shingles to cover a square, plan to purchase 3 bundles for each square. Then, add 10% to the number to account for waste.

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