How To Measure Your Roof Pitch

Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level.

How to measure your roof pitch. Some levels have markings already and in this case you are ready to go unless you have a factory label that covers the 12 mark like we do. Find the length and width of the building s exterior walls. The run always remains. Run the distance from the outside edge of a perimeter stud wall to the center of the house.

Using ruler and tape you can do it anyway of these ways. To find the pitch of your roof you ll first. When you need to determine your roof pitch all you need is a bubble level and a tape measure. Roof pitch is measured by rise run rise the distance from the top of a stud wall to the peak of the roof.

The pitch is the steepness of the roof. First measure 12 inches from one end of the level and make a mark. Calculate the pitch of the roof. For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally.

This method tends to be more accurate because no layers of roofing are involved. For a roof with the ridge above one wall the span is the same as the run. To determine the finished height of the ridge beam add the rise m and the y height. Roof slope calculator example of use measure the run length it is the horizontal distance between the roof ridge and the wall of the building.

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. Measuring your roof from the ground 1. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. The value displayed as the rise will be your x.

Stretch your tape measure along the walls from end to end. The level should be at least 12 long. To determine the y height measure from the bird s mouth up the calculated slope x in 12 to the top of the rafter. To use this method there are 3 possible places to take your measurements.

Use a pitch. Make sure your have a 12 mark on your level. The top of the ridge beam m y. On a ladder at the walled part of the pitched roof place the level against the roof overhang rafter with the 12 inch.

For more complex roofs you may need to calculate it section by. If you want to find the roof pitch in the form of x 12 simply calculate the pitch and substitute 12 for the run length.