Ridge Pole Roof Construction

Gable roof saddle roof saddleback roof saddleback a double sloping roof with a ridge and gables at each end.

Ridge pole roof construction. As a reminder please don t forget to add height of rafter thickness of roofing material and ridge vent to the number that you ll get using our calculator. I can t ever recall seeing a saltbox shed built with a ridge beam or even a gambrel roof shed for that matter. Chapter 8 of the international residential code irc prescribes the elements for a type of roof frame known as a compression roof. Building a timber laid along the ridge of a roof to which the upper ends of the rafters are attached.

We will go over raft. A stick framed roof uses 2x4 s or 2x6 s or whatever you are framing with but has a ridge board running down the middle ridge line. This video covers one of the most exciting parts of roof framing installing rafters. If your goal is to only calculate the roof height do not enter any numbers in wall height field and only use building width and roof pitch fields.

Ridge boards can only be used in roofs with slopes from 3 in 12 up to 12 in 12. You then have rafters running down from this ridge board and resting on the top wall plates. 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. The ridge board runs the length of the building and provides support for the tops of the rafters helping the whole roof structure work together as a system.

Come to think of it the only style shed i can see that would be easy to use a ridge beam is the gable style shed. The ridge board must be set as perfectly as possible so take your time and use careful measurements. The typical gable roof diagram above shows the r length measured from the outside wall to the middle of the ridge beam the rafter section diagram below typical of a shed or patio cover roof shows the r length measured from the outside wall to the outside face of the ridge beam either one is acceptable depending on which type of roof you are building but if you are using the.