It is often compared to slope but is not exactly the same.
Steep pitch roof shingles.
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You can reroof a steep roof but you will need to take extra safety precautions.
A roof with x rise 12 run slope means that for every 12 inches horizontally run it rises x inches.
So a roof with four inches of rise every 12 inches horizontally run would have a slope of 4 12 sometimes displayed as 4 12.
Examples of extreme slopes range from 1 4 12 almost flat to 12 12 sloping down at a perfect 45 degree angle.
If you happen to have an extremely steep roof you will have an even greater challenge.
With the proper tools and materials this home improvement job will probably take a minimum of 2 days to complete providing the weather is clear.
The slope of the roof is known at the pitch.
Determine your roof s pitch.
Recommendations for application of asphalt shingles on steep slopes and mansard construction asphalt shingles on slopes greater than 21 12 defines the maximum slope for normal shingle application and suggests different installation methods for slopes beyond that maximum.
Steep slope roofing the slope of a roof is often referred to as the pitch.
The slope or pitch of the roof is determined by the vertical rise in inches for every horizontal twelve inch 12 length called the run.
The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.
Follow the simple steps belsow to reroof your own steep roof.
High and low pitch examples two examples at each end of the spectrum.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
The slope of a roof often referred to as the pitch is determined by rise over run the roof s vertical rise in inches for every twelve inches of horizontal length the run.
Step 1 safety.
Roof pitch roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.
For most home styles roof pitches fall in a range 4 12 a moderate slope up to 8 12 fairly steep.