"As an HVAC technician, I needed a simple and intuitive means of determining the rise and run distances for a roof," said an inventor, from Fresno, Calif., "so I invented the PITCH FINDER. My design ...
Knowing the pitch of your home's roof is useful for room additions and new skylights. The angle, or pitch, is calculated by the number of inches it rises vertically for every 12 inches it extends ...
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