Hip Roof Ridge Board

Ridge boards shall be at least 1 inch nominal thickness and not less in depth than the cut end of the rafter irc section r802 3.
Hip roof ridge board. In the example at left the run is 10. So this is the measurement to the center of the first common rafter. David the ridge board for a common hip roof is easy to calculate. A ridge board is a non structural member that serves as a prop for opposing rafters to rest against and connect to.
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. Ondura 5259 4 in x 39 5 in cellulose fiber asphalt roof panel ridge caps. Ridge boards can only be used in roofs with slopes from 3 in 12 up to 12 in 12. The building line is the point from which you start to calculate the run of your common rafters to the centerline of the roof.
Layout is from the center of the first common rafter. Place the 4 6 common rafters in their designated positions along the 2 longest walls and nail them firmly to the wall with a nail gun. You measure the length and width of the structure to and from the actual building line. Attach 4 6 centering rafters and lift the ridge beam into place.
The first step in the process of erecting the hip roof is to get the ridge beam into place at the top of the roof. Metal sales universal ridge 14 in x 126 in steel roof panel ridge caps. I also assume you ll be using a 2x material for the ridge board. 3 common rafters and 2 hips all joining on 1 1 2 inches of ridge board requires 15 to 20 nails through the ridge board.
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. For pricing and availability. Hip rafter to ridge connection.