Roof Pitch Waste Factor

Roof waste is automatically calculated based on seven factors.

Roof pitch waste factor.

Enter the pitch 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. Let s say our roof rose 5 feet. The material type waste can be auto calculated for wood shake wood shingle composite or laminated shingles the valley type for composite and laminated shingles the starter course.

The amount of exposure. Then you ll be able to measure slope from an unfinished attic space under the roof. The roof waste calculation tool takes the guesswork out of estimating sketched roofs and provides an accurate and consistent method for calculating the amount of roofing material required for waste. The sub total is 3977 70 x 1 08 4295 92 pitch has been added for 5 12 pitch.

Roof waste calculation accurate roof waste calculator this download requires a 200 donation via paypal. Roof pitch factor calculator. 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 low slope roof is anywhere from 2 in 12 to 4 in 12.

Ft enter a waste factor. The roof slope factor chart also consists of conversion factors to determine the slope of the roof. Ridge length top ridge. Using a tape measure make a pencil mark 12 inches from the end of a carpenter s level.

The sketched roof model. That is the roof s rise. Would anyone believe the waste factor for the two. To obtain an accurate roof pitch measurement properly measure the rise and run.

Divide the rise by the run the run is 12. The top row is a total of your roof area measurements with pitch added 5 for waste. You need to account for the pitch in order to have an accurate materials estimate. The headache of using pythagoras and trigonometry can be spared by making use of these charts.

The waste is 4295 92 95 divisor 4522 02. The 3977 70 is the total of your actual roof measurements. There are lots of advantages that you can get by having pitched roof on your house as compare to flat roof. If you re a roofing contractor and have worked with insurance claims you ve heard this before.

A flat roof has a slope of 2 in 12 or less. You also know how ridiculous this is. Starter strip the perimeter of the roof in lineal feet including the rakes. That means its pitch is 5 12.

Start at the edge of the roof and measure out 12 feet. Now measure upwards at a 90 degree angle to capture how much the roof rose over that length. If you have already decided that you are going to have pitched roof on your house then you have made a nice decision. Conventional slope roof range between 4 in 12 and 8 in 12.

Roof slope style. Pitched roof provide you protection again heavy rains. Rise 12 enter the square foot one pack will cover. The run always remains constant at 12 inches.

First measure the roof s pitch. 10 for all gable roofs 15 for all hip roofs.