Roof Multiplier For Pitch

Take the area of the roof s footprint say it s 5 000 square feet and multiply 5 000 by 1 118.

Roof multiplier for pitch.

Another method to find the roof pitch is to go into the attic and measure the rise. Roof is 6 12 pitch and measures at 2 400 square feet so 2400 x 1 12 2 688 2 88 sqs added for pitch. Step 2 find the value of 7 12 from the roof slope multiplier table which is 1 16. Enter your numbers into this go to roof pitch calculator.

You might like to use this roof slope calculator. Step by step example using the roof pitch multiplier table measure the area covered by the roof. One method to find the pitch is to climb on the roof and measure the rise for a 12. How to calculate the pitch of a roof method one.

Calculate the slope of the roof. Measure from the roof. The maths behind this number is that it is the square root of rise run 2 1. So the actual roof surface if it were laid down flat on the ground would be 1 118 times larger than the footprint of the roof.

2280 1900 380 feet added for pitch. 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. Now you re ready to price out the materials. Measure from the attic.

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. Let s assume the pitch is 8 12. Step 1 multiply 20 and 40 which equals 800. 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.

And for a roof with a slope of 6 12 that number 1 118 is your roof slope multiplier. Get your roof size by using this roof pitch calculator. If the home measures 20 x 40 and has a 7 12 roof then to calculate the slope of the roof follow these steps.