How To Work Out The Pitch Of My Roof

The overhang of a rafter at the end of the roof.

How to work out the pitch of my roof.

Rafter rise run 1 5 6 2 25 36 38 25rafter 38 25 6 18 m. On the roof hold the level perfectly level and measure the height from the roof to the level 12 inches away from where the level touches the surface this will be the rise. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil.

Step 1 access a rafter. Finally enter the value of the rafter length and. Any of the following will give you a good measurement 1 x research source a rafter in the attic. You ll need a level that is 12 or longer and a tape measure.

Calculate the roof pitch as the proportion of rise and run. Optionally you can use it as roof cost calculator if you also happen to know the average cost per square foot in your area. First measure 12 inches from one end of the level and make a mark. If your roof pitch is greater than 3 your roof is considered pitched.

Outside of the u s a degree angle is typically used. Read more about roof pitch at wikipedia. Place one end of a carpenter s level against the underside of the. First enter the value of the rise and choose the unit of measurement from the drop down menu.

Even if you want to use a flat roof pitch calculator system you will be able to find one. Calculate the rafter length substituting these values into the following formula. Here are the steps to follow for the roof angle calculator. Then enter the value of the run and choose the unit of measurement from the drop down menu.

Measure the rise of your roof. Pitch rise run 1 5 6 25. This will allow your project to carry the depth and detail in the roof that you wanted as well as make sure that it will maintain a sturdy and effective nature throughout. To see how pitch impacts the look of a garage and changes cost click the design center button on our pole barn kits page.

Let s say it is equal to 1 5 m. The important point to keep in mind when you use your truss calculator is that every truss calculation is completely unique and is based on the size of your roof and its specific dimensions. 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. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level.

Measuring from the underside of the roof is usually the most accurate way to find the slope since there is no roofing material to make an uneven surface. If you want to know how to find the pitch of a roof then start with a calculator. This free roof pitch calculator will take your roof width see the picture and rise the height of the roof and will calculate the roof pitch both as numeric value and as a degree. A barge rafter at the side of the gable step 2 position a level against the underside of the rafter.

One method to find the pitch is to climb on the roof and measure the rise for a 12 run.