How Do You Measure Roof Slope

If it s four inches you have a 4 in 12 pitch and so forth for other measurements thereby determining your roof pitch.

How do you measure roof slope.

Using ruler and tape you can do it anyway of these ways. To accurately calculate the area of your roof you must first determine its slope or pitch. 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. There are a number of ways that you can calculate the roof slope of your home and you need to be aware of this.

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. 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. 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. It is often compared to slope but is not exactly the same.

Before you calculate roof pitch you ll need to measure the slope of your 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. Roof pitch refers to the slope which the rafter creates. If you a looking for a sleek modern style a not entirely flat roof with a pitch of 1 40 should be used.

Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. 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. Outside of the u s a degree angle is typically used.

After measuring the slope estimate the roof pitch by dividing the slope by 2. Roof pitch is used to describe the slope or angle of the 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. If you are trying to learn how to measure roof pitch calculations accurately you should really consider the importance of using a calculator.

A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. 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. The roof pitch is important in determining the appropriate installation method and how much roofing material will be needed. Often you express roof pitch as the ratio between the rise and the run in the form of x 12.

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.