How To Calculate Gable Roof Pitch

Set the level on the edge of the speed square as shown below then place the heel of the speed square on a rafter or gable edge of the roof.

How to calculate gable roof pitch.

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. Divide the slope by two to get the pitch. Divide the rise by the run 5 12 0 4166667. It is often compared to slope but is not exactly the same.

Roof pitch refers to the amount of rise a roof has compared to the horizontal measurement of the roof called the run. The calculator above can handle much of this math. Convert plate length amount of 12 6 into inches 12 12 6 150 inches. What is the standard pitch for a roof.

For a simple gable roof the span wall to wall will be twice the size of the run wall to ridge horizontally. Calculating the gable s square footage. Multiply this 12 by the roof pitch rise. The pitch of this roof is 4 8 12.

72 12 6 at the highest point the gable is 6 high. Roof pitch calculator results explained. 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. A gable is the part of the side wall of a building above a line between the eaves.

Here are a couple examples. Outside of the u s a degree angle is typically used. Split the gable into two triangles and form a rectangle 6 12 72 the total area for your gable. Calculate the height of a gable rake wall based on roof slope and half of the wall s horizontal length the rake run.

12 6 72 convert the inches back to feet. For instance a 7 12 roof pitch means that the roof rises 7 inches for every 12 horizontal inches. A speed square and level can be used to easily find the pitch of a roof. 144 12 12.

It can be looked upon as the part of the wall that seals the end of the roof structure. Measure with a speed square. After they re up you can snap a line to mark and trim the tails in a nice straight line to make up for any ridge warp or marking cutting and fixing errors. Gable roof framing calculator plan diagram with full dimensions for a good straight fascia add an extra inch or 2 to the tails of all your rafters total length.

Divide this amount by the run of the roof pitch. Angle the angle of a roof is the same as the roof s slope except instead of being. To see how pitch impacts the look of a garage and changes cost click the design center button on our pole barn kits page. Contemporary houses often have flat roofs which shouldn.

If you do need to calculate the pitch an estimate or shortcut is usually more practical than measuring the roof s overall dimensions. 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.