In this article, we will talk about calculating the roof pitch
(US
),
using
-
Rise - is the total height of the roof - if the roof extends below the attic, we consider the extension too.
-
Run - is half of the roof width. If roof extends the footprint of the house, we consider the extension too.
How to calculate the pitch
Let's say we have a Rise of:
And let's say we have Run of:
We find the grade factor (A) :
A = Rise / Run
A = /
A =
Pitch is A x 12:
pitch = x 12
pitch =
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