Slope Roof Factor

The roof slope factor chart also consists of conversion factors to determine the slope of the roof.

Slope roof factor. 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. The roofing material should look dry and intact. Examine your roof and look for a safe place to climb. How to determine roof slope factor 1.

Download the slope chart pdf. Roof area in square metres length in metres width in metres slope factor roof area in square feet length in feet width in feet slope factor. Often you express roof pitch as the ratio between the rise and the run in the form of x 12. Roof pitch refers to the slope which the rafter creates.

The slope factor works with metric and imperial measurements. The headache of using pythagoras and trigonometry can be spared by making use of these charts. Valley hip factor. Place your extension ladder against the roof.

Roof slope multiplying factors theory and solution of 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. Hold out your arms and hands perpendicular to the ground as you stand. The overall length of the roof or a common rafter from the base to the ridge is.

In construction the slope factor can be used to easily calculate the area of a 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. 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.