Pitch can vary a great deal from a shallow slope up to a very steep pitch.
Slope roof details.
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Pitch for a gable roof the most common is generally 1 4 or 1 3.
Ceilings product comparison tool.
Pitch is the slope or angle from the wall plate to the roof ridge line.
Roofing association manuals as well as the code book specify a minimum slope of 1 4 inch per foot for low slope roofing.
One cool trick is to use a slope kit consisting of sheets of foam that are tapered to provide the necessary slope.
The detail on the second can be used for roof slopes as low as 3 inches per foot.
Which is equal to 1 4 or 1 3 the total span of the building not counting any overhang.