How Do I Determine The Pitch Of A Roof

Roof pitch is used to describe the slope or angle of the roof.

How do i determine the pitch of a roof.

First measure 12 inches from one end of the level and make a mark. A 12 12 pitch roof has a pitch angle of 45. Make sure your have a 12 mark on your level. Angle the angle of a roof is the same as the roof s slope except instead of being.

Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. Check your results with the omni roof pitch calculator. The level should be at least 12 long. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil.

Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. The roof pitch calculator is a convenient online tool you can use to quickly assess the pitch of your roof to determine the length of rafters you need. Roof pitch affects the actual area of the roof.

If you can t get to your attic you can measure slope on your rooftop as long as it s safe to go up there. Divide the first part of the ratio by 12 to work out the pitch. It affects walkability as well as drainage and roofs in areas of high rain or snowfall tend to have steeper pitches. How roof pitch is calculated.

When you need to determine your roof pitch all you need is a bubble level and a tape measure. Find the inverse tangent of the pitch to find the angle in degrees. To accurately calculate the area of your roof you must first determine its slope or pitch. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.

After finding out your roof pitch angles you can use the calculator to perform the calculations for you instead of doing them manually. After measuring the slope estimate the roof pitch by dividing the slope by 2. Marvel at your mathematical. The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed.

Before you calculate roof pitch you ll need to measure the slope of your roof. Slope the slope of a roof is represented as x 12 where x is the number of inches in rise for every 12 inches of run this is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares. To convert between american roofing ratios and pitch degrees follow these steps. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used.