Roof Pitch Multiplier Chart

The first thing that you need to understand before picking any selections from a roof pitch multiplier chart is to ensure that it s affordable.

Roof pitch multiplier chart.

For roof slopes expressed as x in 12 rise in run the roof pitch multiplier is determined by finding the square root of rise run 1. Roof pitch area multipliers. We included a roof pitch chart below the 7 12 example image and the calculator below that. A roof pitch multiplier also called a roof pitch factor is a number that is multiplied by the area covered by a sloped roof to produce the area of the actual surface of the roof.

Let s see how this works in a specific example. How to find your what roof pitch category. Typically the steeper the roof is the higher the price will be. Now divide the rise by the multiplier to get the pitch eg.

The roof pitch multiplier is the length of the hypotenuse divided by the run. Accurate roof calculations are achieved using this table and all you need to do is measure the roof width and length and then you are ready to do a roof pitch measurement. Just multiply the roof width by roof length and then the result should be multiplied by the use of the pitch multiplier. Image 1 12 to 12 12 roof pitch 7 12 pitch.

Understanding the roof pitch chart process. 100 1 054 105 4ft 2. If you know the pitch of a roof you can use the numbers in the following pitch table to do the following. Next multiply the footprint of the roof by the multiplier below for your roof pitch to find the overall roof area.

For example if you measure 4 inches the pitch of your roof is 4 12. Measure with a speed square. For example a 4 12 pitch roof that is 100 square feet. Determine how many square feet of roof area a building has by measuring from the ground.

The pitch of this roof is 4 8 12. Roof pitch how much to add. The pitch of the roof is the rise over a 12 inch run. Simply locate a roof rafter board place the end of the level against the bottom edge and measure from the 12 inch mark vertically to the bottom edge of the rafter.

Roof pitch multiplier chart. A speed square and level can be used to easily find the pitch of a roof. 48 10 4 8. A roof pitch multiplier also known as a roof pitch factor is a number that when multiplied by the area covered by a sloped roof gives the actual area of the roof.

If this isn t practical then perform the same measurement on the underside of the roof. This roof pitch table displays a multiplier for adding for different roof pitches. The maths behind this number is that it is the square root of rise run 2 1. Roof pitch multiplier c over b the chart gives a number of roof pitch multipliers for different roof slopes.

Use our roof pitch calculator to find the pitch of your roof. Roof pitch degree table.