Is a 5/12 roof pitch steep? check this out | 5 12 roof pitch
Rachel Fowler
Updated on July 22, 2026
Slopes around 6/12 are the most common, while anything below 4/12 is typically considered a low pitch. A steep pitch has several advantages. Many residential rooftops are designed for steeper pitches because they look elegant and pleasing to the eye.
Is a 5/12 roof pitch common?
But the 5/12 roof pitch is the most common residential roof pitch in which roof rafter rises 5 inch for every 12 inches or 1 foot horizontal distance or run. 5/12 roof pitch step is enough to shed water quickly and also being comfortable for walkable. 5/12 roof pitch express in fraction, percentage, ratio or in angle.
What does a 5/12 roof mean?
The pitch, or steepness, of a roof is often referred to in terms of the amount of vertical rise over a 12” horizontal run. For example, a 5:12 pitch roof will rise vertically 5” for every 12” it goes back horizontally. There are smartphone apps available which can be used to “sight” a roof’s pitch from the ground.
What roof pitch is considered steep?
OSHA defines a “steep roof” as any roof with a rise/run ratio over 4:12 (18.43 degrees). While most standard-pitched residential roofs seldom exceed a 12:12 pitch (45 degrees), the landscape is occasionally marked by a design which harkens back to earlier times, when much greater roof pitches were more common.
What is the length of a 5/12 pitch roof?
5/12 or “5 in 12” roof pitch or slope, generally roof rafter length will be 16.25 feet or 4.953m long for 30 feet span.
What roof pitch is safe to walk on?
Most roofers consider a roof a “ Walk “ until it is 8/12 or more. So a common roof pitch of 4/12 or 6/12 would be OK to walk on . An 8/12 roof or steeper usually requires roof jacks or scaffolding .
Which roof pitch is best?
For metal panel roof systems, NRCA recommends slopes of 1/2:12 or more for structural panel systems and 3:12 or more for architectural panel systems. For asphalt shingle, clay and concrete tile, metal shingle, slate and wood shake and shingle roof systems, NRCA recommends slopes of 4:12 or more.
What is a normal roof slope?
The majority of North American residential roofs have historically been constructed with a slope between about 4:12 and 9:12. Roofs at the lower end of the range (about 4:12 to 6:12) are relatively easy to walk and work on. (As always proper safety equipment and precautions must be followed when working on any roof).
How do I calculate roof pitch?
How to Calculate Roof Pitch in Degrees
First, you need to measure the run of your roof. Next, you need to figure out the rise. Now, divide the rise by the run. Then, divide 1 by your tangent.Finally, multiply this result by 180/π and you’ve calculated your roof pitch!
What is a good roof pitch for snow?
Roofs in snowy climates should have a slope of at least a 10-degree pitch minimum. A steeper angled roof sheds the snow more quickly. While the angle of the roof helps shed snow, adding too many angles to the roof for a more aesthetic effect could cause structural problems with snow shedding in the wintertime.
What is the minimum pitch for a polycarbonate roof?
When installing polycarbonate roofing, keep a minimum pitch of 5 degrees so that rainwater runs off towards the gutter preventing moisture collecting on your roof.
What is a 12 12 roof pitch?
In this pitch, the first twelve is your roof’s rise and the second twelve is the roof’s run. The roof’s incline increases 12 feet for every 12 feet of horizontal measurement.
What is a 512 pitch roof?
If a roof rises 5″ in a length of 12″, this is 5/12 roof pitch. 5/12 roof pitch angle = 22.62 degrees.
What is the angle of a 6 12 pitch roof?
What is A 6/12 Roof Pitch? When you are talking about roof pitches, the first number is the number of inches the roof rises every 12 inches. The angle on a 6/12 roof is 26.57 degrees.
Can you Shingle a 1/12 pitch roof?
Asphalt shingles are not recommended for a flat roof, as shingles cannot be properly sealed if a roof has a pitch less than 2/12 inches, leading to water leaks.