Pitch Range For Metal Roof

With regards to metal roofing the profile refers to the shape adopted by the metal sheets when they are bent to form the panels.

Pitch range for metal roof.

For most home styles roof pitches fall in a range 4 12 a moderate slope up to 8 12 fairly steep. For every 12 horizontal feet the roof changes 8 feet in vertical height. After that the miimum pitch for metal panels depending on the methods used to join the panels. A a roof with a 6 rise for every 12 run has a 6 per foot or 6 in 12 pitch.

The minimum pitch for metal roofing varies depending on the profile of the metal. Pitches lower than 4 12 have a slight angle and they are defined as low slope roofs. Pitches above 9 12 are very highly angled and are designated steep slope roofs. The minimum pitch for metal roof shingles and lapped non soldered panels is 3 12.

Pitch is thus the ratio of the rise in inches to a 12 inch run and is often expressed using a semicolon for example 6 12. What is the minimum pitch slope for a metal roof. To get the minimum pitch for a metal roof the vertical rise per foot is divided by the horizontal slope. Examples of extreme slopes range from 1 4 12 almost flat to 12 12 sloping down at a perfect 45 degree angle.

Panels joined with an applied lap sealant can go as low as 12. Roof pitch or slope is a measure of vertical rise to horizontal run expressed in inches per foot. Roof pitch varies depending on culture climate style and available materials. Pitches of less than 2 12 are considered flat roofs even though they may be very slightly angled.

In the usa the range of standard pitches is anywhere between 4 12 and 9 12. There is no standard universal roof pitch. So you would need to pick the right option as most regular standing seam metal roofs will require a roof pitch of 2 12 or even 3 12 at a minimum. Minimum pitch for metal roof.

The minimum roof slope for metal roofs is dependent upon the roof profile. In the uk the typical house has a pitch between 40 50 although 45 should be avoided. Profile in the context of metal roofing means the shape that the sheet of metal is bent into to form the panels. The most commonly used roof pitches fall in a range between 4 12 and 9 12.

The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7.