Slope Roof Factor

Once you ve figured out the pitch of your roof you can consult the following chart to discover the slope factor and hip valley factor.

Slope roof factor.

Roof slope multiplying factors theory and solution of factor. Valley hip factor. 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. Roof pitch refers to the slope which the rafter creates.

Hold out your arms and hands perpendicular to the ground as you stand. The slope factor works with metric and imperial measurements. You could calculate the slope factor for every single roof pitch but as a public service many roofing. The overall length of the roof or a common rafter from the base to the ridge is.

Examine your roof and look for a safe place to climb. The roofing material should look dry and intact. How to determine roof slope factor 1. Climb up the ladder and onto the.

Place your extension ladder against the roof. The headache of using pythagoras and trigonometry can be spared by making use of these charts. The roof slope factor chart also consists of conversion factors to determine the slope of the roof. 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. Download the slope chart pdf. Often you express roof pitch as the ratio between the rise and the run in the form of x 12.