I cut rafters out of 2x8s frame this pole barn lean to.
Rafter lean to roof.
A lean to roof also called a shed roof slopes in one direction with rafters that rest against another structure at their high end and overhang support posts or an exterior wall at their low end.
In other words if there is a 1 1 2 ridge board nailed into the wall and the width of the lean to is 96 then the run will be 94 1 2 96 1 1 2 94 1 2.
The roof rafters provide integral structural support to the roof.
Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter.
Our roof rafter calculator tools are handy for calculating the number of rafters needed rafter length calculator lineal feet of rafter board feed in ridge and sub facia and the total board feet in the roof.
If you ve wondered how to frame a lean to roof off a pole barn this video will show you how i did it.
If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters.
Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal.