Feet the area of a hip roof equals the area of a gable roof with the same dimensions.
Roof area conversion factors.
Take your area result and multiply it by the pitch multiplier or slope correction factor found in the table above to arrive at the roof s surface area.
Now you re ready to price out the materials.
Pitch of roof slope factor valley hip factor.
Enter 6 into the calculator slope factor 1 1180 multiply the roof length by the gable wall length 40 24 960 multiply this amount by the slope factor 960 1 1180 1073 28 the area of this roof 1073 3 sq.
The headache of using pythagoras and trigonometry can be spared by making use of these charts.
A 10 slope roof should not be confused with a 10 pitch roof as a 10 slope roof means that the roof rises by ten inches for every foot of run.
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.
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.
When outfitting your residential or commercial structure with products from everlast roofing it s important to know the incline or pitch of your roof.
Download the slope chart pdf.