How Do I Find Out How Big My Roof Is

Find the 12 inch point on the level and measure straight down to the roof.

How do i find out how big my roof is. For sloped sectional roofs write down the dimensions of each individual plane. For example a 4 12 pitch roof that is 100 square feet. 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. Find a contractor choosing the right contractor build your roof for pros occonnect prosell registration website widgets contractor events document library where to buy ventilation calculator nailing zone performance join our rewards program covid 19 tools for contractors.

After you ve done this you can click along the outer edge of the roof that you wish to calculate the area for. The pitch of the roof is the rise over a 12 inch run. It will also give you the perimeter of the shape of the roof. Outside of the u s a degree angle is typically used.

Each time you add points the area will update and there is a box below that will convert this into acres meters kilometers miles and finally square feet. After measuring the area of the footprint you can estimate the actual roof area based on the angle of the roof. Roof pitch area multipliers. Use our roof pitch calculator to find the pitch of your roof.

Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area. Hold the level horizontally so that the end of the level touches the roof about 12 inches above the bottom of the roof. Measure the out side of the house from front to back add 4 feet for over hang then from a side to the middle add 4 feet that will give you 1 2 of the roof area double that this will give you. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches.

Unless you live in a very rural town that is void of any zoning laws or building codes or if the roof on your home predates the local government chances are there is a public record in your local town village city or county clerk s or code enforcement officer s office that details any major exterior renovations to your home including a roof replacement. For square or rectangular roofs you ll only need to record the length and width. Extend your tape measure along the outer edges of the roof to find its length and width in feet. 100 1 054 105 4ft 2.

But the install is usually warranted for about 1 year or so. Similarly if you using the area calculator tool to measure a roof with multiple levels you should do the individual section separately. It is often compared to slope but is not exactly the same. Complete one side at a time before moving on to other areas.