Shed Roof Rafters Calculator

Kalk pro is online shed roof calculator single slope pent roof skillion program determines basic material consumption for roof building roofing underlayment volume all quantitative and dimensional values of the shed pent roof truss system.

Shed roof rafters calculator.

Rafter is a sloping beam usually wood that supports a pitched roof. The preview window displays a dimensioned side view of the shed roof. Click the button to calculate the stock size needed for this job. 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.

Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal. Input the rafter span on the flat eave overhang and pitch of the roof. 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. If you add an eaves overhang dimension then the amount the rafter sticks passed the wall will be added to the rafter length.

See rafter run to outer wall calculator below. Rafter length calculator calculate the length of a rafter from the roof slope ratio of inches per foot and a building width measurement. Dimensions and area of a shed roof materials quantity for it the roof angle pitch. Common rafter calculator rafter dimensions plumb cuts birds mouth dimensions cutting templates inch allow for ridge thickness when determining rafter run to outer wall.

The run for a lean to shed rafter ending into a wall should account for the ridge board nailed into the wall where the tops of the rafters rest into. Use our online rafter length calculator to quickly compute the length of the shed roof rafter by entering the measurements of overhead length of roof span pitch or angle. Includes result for hip valley factor slope factor and the roof slope in degrees. The calculator provides online calculation of the rafters for shed roof according to your original dimensions.

This calculator helps you make the rafters of the suitable sizes required for your roofing. Half building width minus 1 2 ridge thickness.