[ Ссылка ] Click on this link to learn more about construction math, roof rafter calculations and home framing. This is our second video on how to layout or calculate the length of a common roof rafter using a framing square and the step off method. Part Two will deal with inches and fractions to provide more detailed information about laying out a common roof rafter, the old way.
Part One - [ Ссылка ]
![](https://i.ytimg.com/vi/9loZHzfZ-lo/maxresdefault.jpg)