Menu Close

Is 4/12 A good roof pitch?

Is 4/12 A good roof pitch?

As well, a slope of 4:12 is most commonly considered the lowest slope for “standard shingle installations”. Most manufacturer and industry recommendations require, or at the very least recommend, special underlayment or other considerations on roofs between 2:12 and 4:12.

What degree angle is a 4/12 pitch?

approximately 18.4 degrees
Roofs with a pitch of 4/12 are approximately 18.4 degrees, depending on how exact you’d like to be in your measurement. Check out our roof angle chart for more examples of the exact angles (expressed in degrees) of common roof pitches.

What is a 4/12 roof pitch look like?

A 4/12 is a roof slope that rises by 4 inches for every 12 inches across. This forms an angle of 18.5° between the horizontal section and the roof, and creates a gentle incline that is seen as a midpoint between a low-pitch and medium-pitch roof.

What is the best 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.

What roof pitch is 12 degrees?

Roof Pitch to Degrees Conversion Table

Roof Pitch to Degrees Conversion
5.5-in-12 24.62°
6-in-12 26.57°
6.5-in-12 28.44°
7-in-12 30.26°

Is a 3/12 roof pitch good for snow?

Roof pitches of 3:12, 4:12, 5:12, or 6:12 work best for metal buildings in snow country. Anything over a 6:12 pitch tends to make massive amounts of snow slide off the roof without warning. Anything less than 1:12 pitch is a huge mistake in snow-prone climates.

What does a 4 / 12 pitched roof mean?

Related Articles. Roofs require slope for adequate drainage, and even so-called flat roofs must have some incline. A 4/12 roof pitch indicates the roof rises 4 inches in height for every 12 inches, as measured horizontally from the edge of the roof to the centerline.

How big is the pitch of a roof?

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″. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement.

What’s the angle of a 4 over 12 roof?

What angle is a 4 over 12 pitch? Roofs with a pitch of 4/12 are approximately 18.4 degrees, depending on how exact you’d like to be in your measurement. Check out our roof angle chart for more examples of the exact angles (expressed in degrees) of common roof pitches.

What kind of shingles should I use for a 4 / 12 pitch roof?

Standard asphalt and composition shingles are usually acceptable for 4/12 pitch roofs, but read the shingle manufacturer’s specifications to make sure installing them on a 4/12 pitch won’t void their warranty. Local building codes might restrict some types of shingles on a 4/12 pitch.