# Roof Pitch Waste Factor

### You also know how ridiculous this is.

Roof pitch waste factor.

Let s say our roof rose 5 feet. First measure the roof s pitch. Would anyone believe the waste factor for the two. Roof pitch factor calculator.

The top row is a total of your roof area measurements with pitch added 5 for waste. If you do not want to add for waste then enter 100 as the divisor. Ft enter a waste factor. A low slope roof is anywhere from 2 in 12 to 4 in 12.

That means its pitch is 5 12. 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. Enter the pitch of the roof. Pitched roof provide you protection again heavy rains.

Using a tape measure make a pencil mark 12 inches from the end of a carpenter s level. That is the roof s rise. A flat roof has a slope of 2 in 12 or less. 10 for all gable roofs 15 for all hip roofs.

Roof waste is automatically calculated based on seven factors. Rise 12 enter the square foot one pack will cover. Roof area total square footage of the roof. The headache of using pythagoras and trigonometry can be spared by making use of these charts.

Start at the edge of the roof and measure out 12 feet. Ridge length top ridge. Roof waste calculation accurate roof waste calculator this download requires a 200 donation via paypal. 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.

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 run always remains constant at 12 inches. If you have already decided that you are going to have pitched roof on your house then you have made a nice decision. There are two main categories of roofing.

The roof slope factor chart also consists of conversion factors to determine the slope of the roof. Then you ll be able to measure slope from an unfinished attic space under the roof. To obtain an accurate roof pitch measurement properly measure the rise and run. The sub total is 3977 70 x 1 08 4295 92 pitch has been added for 5 12 pitch.

Conventional slope roof range between 4 in 12 and 8 in 12. Starter strip the perimeter of the roof in lineal feet including the rakes. If you re a roofing contractor and have worked with insurance claims you ve heard this before. The sketched roof model.

The amount of exposure. The waste is 4295 92 95 divisor 4522 02. 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 3977 70 is the total of your actual roof measurements.

Divide the rise by the run the run is 12. You need to account for the pitch in order to have an accurate materials estimate.

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