Safe Roof Pitches In Pa

Asphalt shingles continue to be the most widely installed roof covering option in north america.
Safe roof pitches in pa. A roof of pitch 7 12 30 is manageable but caution should be taken. Any pitch higher than 9 12 is considered a steep pitch. Ways to work on a steeply pitched roof. Contractors and employers who perform construction.
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. Low slope roofs are from 0 to 3 12 in pitch. Most roofs in america follow these dimensions where pitch range is kept between 3 to 7 1 2. A roof pitch of 6 12 26 5 or less is considered easily walkable and no extra precautions are required.
Notes to the table above. Pitch is a measure of the steepness of a roof. An average person can easily and safely walk upon these roofs without need of additional equipment. Low slope roof 4 12 slope or less 29 cfr 1926 501 b 10.
The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. The primary reason roof pitch exists in the first place is to redirect water. If asphalt shingles are to be installed on a low slope roof special steps are required to avoid short roof life and roof leaks. The pitch of the roof is determined by the vertical rise in inches for every horizontal twelve inch length.
Some sources consider low slope to include 3 12 pitch roofs. 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. The tools required will be a contractor s level at least 24 inches long and a tape measure. A flat roof would have a 2 12 pitch while the average roof pitch would be between 4 12 and 9 12.
They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Measuring a roof pitch. If you want to build a shed garage or other similar type of building then 4 to 6 is a preferable pitch type. It is an essential element to ensure water drains properly off of your roof.
With regards to the pitch the building standard code bs 5534 recommends a minimum pitch of 200 for slate roofs. Know the pitch of the roof and follow the appropriate standard. Ideally you will have safe access to your roof from inside the building. The pitch of your roof also helps determine the type of materials that can be used on your roofing system.
The roof pitch would be described as a 6 12 pitch.