How Do You Figure Out Slope Of Roof

After measuring the slope estimate the roof pitch by dividing the slope by 2.
How do you figure out slope of roof. Measuring the slope from the rafters. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs. To accurately calculate the area of your roof you must first determine its slope or pitch. If you can t get to your attic you can measure slope on your rooftop as long as it s safe to go up there.
The most precise way to find the roof s slope is by measuring it from the underside. The easiest way to do this is by accessing a rafter in your attic if you can. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. There are flat roofs or low slope and steep slope roofs.
When you know your roof slope you can more successfully categorize your roof. If you build a roof to be flat it will not have a way to drain and can cause serious damage to your roof and home. Before you calculate roof pitch you ll need to measure the slope of your roof. Access one of the rafters then take the measurement this way.
This means the roof has a slope of 6 12. For a gothic style the rafters must equal the span 60 while an elizabethan style requires the rafters to be longer than the span. Flat roofs are actually not flat. If you a looking for a sleek modern style a not entirely flat roof with a pitch of 1 40 should be used.
Either way let s see how you can calculate the slope of a roof without using a roof slope calculator.