Slope Roof Factor

Roof pitch refers to the slope which the rafter creates.

Slope roof 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. The overall length of the roof or a common rafter from the base to the ridge is. Climb up the ladder and onto the. The roof slope factor chart also consists of conversion factors to determine the slope of the roof.

Hold out your arms and hands perpendicular to the ground as you stand. 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. Valley hip factor. Examine your roof and look for a safe place to climb.

The roofing material should look dry and intact. The headache of using pythagoras and trigonometry can be spared by making use of these charts. The slope factor works with metric and imperial measurements. How to determine roof slope factor 1.

You could calculate the slope factor for every single roof pitch but as a public service many roofing. 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. 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.

Place your extension ladder against the roof. You can assess this in two ways either as the roof pitch angles which the rafters make with the horizontal or the proportion between the run and the rise of the roof. Roof slope multiplying factors theory and solution of factor.