The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
Roof rake for shallow pitch roof.
Most roof coverings can be applied on roofs as shallow as 2 12 as long as a fully waterproof membrane is installed over the decking.
Shingles often not rated for shallow roofs.
A 12 in 12 pitch is a steep 45 degree angle roof.
Contemporary houses often have flat roofs which shouldn.
A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally.
Roof pitch defined and explained.
Roof rakes should be lightweight so they are easier to handle.
At only 4 pounds this is the most lightweight roof rake we ve found online.
Pitch is the term used to describe the angle slope or slant of your roof.
Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.
The rake is not exactly on the roof.
Simply put it s a shallow roof.
Any roof from 4 12 to 9 12 is considered an ordinary angle for a roof.
These are also the most common pitches for shed roofs.
The ratio can be indicated by a division slash separating the numbers such as 2 12 or 7 12.
They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.
Roof pitch designations are comprised of two numbers indicating a ratio.
Low slope metal roofs have simple geometries and are easier and less expensive to install that medium to steep slope roofs.
Terms are used to break down the various areas of a roof and a rake is one of many roof sections.
Or the colon can replace the slash as in 2 12 or 7 12.
The following low slope roof system discussion is adapted paraphrased with permission from best practices guide to residential construction chapter on best roofing practices.
Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12.
What is the standard pitch for a roof.
Click to enlarge any image or table.
It is a term that describes the sloped sides of a gable end.
Again the most important consideration is the weather.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
At the same time the best snow roof rakes should also be durable.
A 2 12 roof slope means your roof has 2 inches of vertical drop for every 12 inches of horizontal distance.
That means the roof doesn t shed water as easily as steeper roofs which is why choosing the right type of roofing material is so important.
This is exactly what the ames true temper 1634500 snow roof rake can offer.
See the image below for more explanation on rise run and pitch.