Pitch Of Roof Question

According to our hoa requirements main house roof minimum slope is 7 12 and accessory and shed roofs slope is 4 12 my question is.

Pitch of roof question.

Slope is the correct term for the ratio of vertical to horizontal distance on a particular plane of the roof. However most often a ratio of pitch also fraction is slang used for the more useful slope of rise over run of just one side half the span of a dual pitched roof. The pitch of a roof is nothing more than a ratio that indicates how much rise there is in the roof over a 12 unit horizontal distance. The pitch of a roof is its vertical rise over its horizontal span.

For every 12 horizontal feet the roof changes 5 feet in vertical height. So we ended up matching the porch pitch roof with the rest of the house it looks so much better has a better flow. Most people interested in roof pitch are actually measuring the slope which is the most useful measurement when considering roofing material and rainwater. Even carpenters often use the terms slope and pitch interchangeably.

Is the bonus room dormer roof considered the main roof or an accessory roof. And matching the roofing component with the shingles metal or whatever you have is more asthetical pleasing to the eye than switching up the roof matter on the porch. How to calculate pitch. For every 12 horizontal feet the roof changes 8 feet in vertical height.