How Do You Measure Roof Slope

Placing a ladder near the roof you will put a level a foot or so up on the roof hold it level and measure from the 12 inch mark straight down.

How do you measure roof slope.

For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. Often you express roof pitch as the ratio between the rise and the run in the form of x 12. It is often compared to slope but is not exactly the same.

Take your pitch percent and press shift maybe 2nd function on your calculator then press tan and than equals most smartphone calculators have a scientific option in the settings. Divide the height of your roof by the width not the full width if you ve measured the full width wall to wall divide this by 2 first h w to get your pitch as a percent. Roof pitch is used to describe the slope or angle of the roof. There are a number of ways that you can calculate the roof slope of your home and you need to be aware of this.

The best roof pitch depends on the style of roof you are going for. Outside of the u s a degree angle is typically used. 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. For a gothic style the rafters must equal the span 60 while an elizabethan style requires the rafters to be longer than the span.

Before you calculate roof pitch you ll need to measure the slope of your roof. When you want to replace or repair your roof you need to know about the slop of the roof the reason for this is the simple fact that roof slope can affect the overall cost of replacing or repairing the roof. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed.

You can t exactly get a ruler out to do it and guessing is just going to be suicidal in terms of the end product so if you are trying to learn how to determine roof pitch measurements you really do need to use a calculator. If you can t get to your attic you can measure slope on your rooftop as long as it s safe to go up there. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. Using ruler and tape you can do it anyway of these ways.

Roof pitch refers to the slope which the rafter creates. If you are trying to learn how to measure roof pitch calculations accurately you should really consider the importance of using a calculator. The easiest way to do this is by accessing a rafter in your attic if you can. To accurately calculate the area of your roof you must first determine its slope or pitch.

After measuring the slope estimate the roof pitch by dividing the slope by 2.