Ridge Board Length Hip Roof

A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to.

Ridge board length hip roof. David ellis of illinois asked how do you figure the length of the ridge board in a hip roof garage. David the ridge board for a common hip roof is easy to calculate. This calculator will help you estimate hip roof parameters including rafters and roof area person outline anton schedule 2011 08 29 17 53 20 one of users asked us to create calculator which will help him estimate hip roof parameters like rafter s lengths roof rise and roof area. Q a ridge board length for a hip roof tips text.

You measure the length and width of the structure to and from the actual building line. Ridge beams are required by code if the roof slope is less than 3 in 12 irc section r802 3. Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal. This will be the second of a series of three videos if you like t.

The ridge board s length will be the outside measurement of the building plus the length of the overhang at both ends. In this video i will look at how to calculate the length of the ridge on a simple hip roof. For 2 x 6 rafters use a 2 x 8 ridge board and so on. For many people being able to get the right kind of hip roof calculator is very important as knowing how to measure a hip roof is going to be vital to making sure that it turns out well.

Ridge beam sizing is based on the span of the beam between supports and the amount of roof load supported by the beam. The ridge of a hip roof is equal to the length of the building minus twice the run plus the thickness of the rafter stock. Since common rafters are shortened at the top the ridge will. You may splice two boards together to achieve this length if necessary using a 14 and 1 2 inch block of the same material.

For 2 x 4 rafters use a 2 x 6 ridge board. In the example at left the run is 10.