How To Measure Roof Pitch With A Level

Write the roof slope as the ratio of rise over run or vertical distance over horizontal distance.

How to measure roof pitch with a level.

What is the standard pitch for a roof. There is no standard universal roof pitch roof pitch varies depending on culture climate style and available materials in the usa the range of standard pitches is anywhere between 4 12 and 9 12 in the uk the typical house has a pitch between 40 50 although 45 should be avoided. For example if the level is 4 above the roof at a point 12 away from where the level is touching the surface then the pitch is 4 12. Enter length and height measurements and hit calculate to find roof pitch and angle.

For example if your tape measure found a 6 inch vertical distance to the 12 inch mark on your level the slope is 6 12 or 6 in 12. 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. Knowing that will determine what your roof s pitch since the run is 12 inches by default. Measure the inches from the level s end up to the bottom edge of the rafter.

Then mark height on vertical level to roof surface remove levels and measure marked height. Tools required to measure a roof pitch. Contemporary houses often have flat roofs which shouldn. Measure and mark length on horizontal level to vertical level.

Access one of the rafters then take the measurement this way. In the attic put the level against a rafter with the 12 inch mark on the bottom. The most precise way to find the roof s slope is by measuring it from the underside. Drag the slider to animate or with phone or tablet measure directly from roof surface.

Calculate the roof slope. Measuring the slope from the rafters. Carpenter s level a straight bar of metal with a spirit level in it.