But since there is still a wide variety of slate roofing systems there are occasions when the minimum pitch can go down to as low as 15 0 depending on the uniqueness of the roof.
Safe roof pitches in pa.
It is an essential element to ensure water drains properly off of your roof.
A roof pitch of 6 12 26 5 or less is considered easily walkable and no extra precautions are required.
Low slope roof 4 12 slope or less 29 cfr 1926 501 b 10.
Roofing safety all employers in the construction industry must have a safety program.
An average person can easily and safely walk upon these roofs without need of additional equipment.
The pitch of your roof also helps determine the type of materials that can be used on your roofing system.
If you want to build a shed garage or other similar type of building then 4 to 6 is a preferable pitch type.
The tools required will be a contractor s level at least 24 inches long and a tape measure.
Pitches between 8 12 and 10 12 33 40 are also considered walkable but it is not advisable and if you have to walk on these roofs extreme caution should be taken.
The primary reason roof pitch exists in the first place is to redirect water.
Measuring a roof pitch.
Ways to work on a steeply pitched roof.
If asphalt shingles are to be installed on a low slope roof special steps are required to avoid short roof life and roof leaks.
Contractors and employers who perform construction.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
Any pitch higher than 9 12 is considered a steep pitch.
If not you will need to make your measurement from on top of the roof itself or at the edge of the roof with a ladder.
Ideally you will have safe access to your roof from inside the building.
Some sources consider low slope to include 3 12 pitch roofs.
A flat roof would have a 2 12 pitch while the average roof pitch would be between 4 12 and 9 12.
Low slope roofs are from 0 to 3 12 in pitch.
A roof of pitch 7 12 30 is manageable but caution should be taken.
The possibility of slipping and falling makes working on any roof dangerous but it s especially so if the roof rises more than 4 feet for every 12 feet of.
The roof pitch would be described as a 6 12 pitch.
Know the pitch of the roof and follow the appropriate standard.
The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
The pitch of the roof is determined by the vertical rise in inches for every horizontal twelve inch length.
Most roofs in america follow these dimensions where pitch range is kept between 3 to 7 1 2.
They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.
