Figuring Roof Pitch From Inside Attic

While pitch and slope are used interchangeably they are not the same span also known as gable width this is based on the total footprint of the house and refers to the distance between two exterior walls.

Figuring roof pitch from inside attic. First measure 12 inches from one end of the level and make a mark. Then in the attic place the end of the level against the bottom of a roof rafter and hold it perfectly level. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. Pitch this is the incline of the roof expressed as a fraction.

This video is to help our customers measure roof pitch. 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. This video is a short description on how to calculate your roof pitch from inside the attic for fireplace installations. After measuring the slope estimate the roof pitch by dividing the slope by 2.

From the attic hold a level perfectly level and touching a rafter at one end. Roof pitch is a determining factor for cost of the roof as well as the roof area and the type of materials used. 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. Another method to find the roof pitch is to go into the attic and measure the rise for a 12 run of the roof rafters which allows finding the pitch without going on the roof.

Roof pitch is commonly needed when they are purchasing chimney pipe. Contemporary houses often have flat roofs which shouldn. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. Slope the slope of a roof is represented as x 12 where x is the number of inches in rise for every 12 inches of run this is very useful information for many purposes especially for roof framing the slope sometimes called pitch is calibrated on speed squares.

Here s an easy safe way to determine the pitch from inside your attic. To measure the roof pitch you ll need an 18 or 24 inch level a tape measure and a pencil. Before you calculate roof pitch you ll need to measure the slope of your roof. The easiest way to do this is by accessing a rafter in your attic if you can.

Outside of the u s a degree angle is typically used. Roof pitch calculator results explained. A 12 in 12 pitch is a. To accurately calculate the area of your roof you must first determine its slope or pitch.

A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.