Framing Members In Roof Design

In most regions the first thing to consider before sizing the wood framing members for a roof is the maximum snow load that the roof will have to bear.

Framing members in roof design.

There are several roof types. All roof framing tables are organized by maximum snow load. Framers stick building a hip roof you can learn a great deal about roof framing by understanding the concepts of framing a gable or shed roof. The tops of the inclined.

The gable roof hip roof gambrel roof flat roof shed roof mansard roof and many more custom roof types. Roof framing depends on the type of roof you want to build. Chapter 5 design of light wood framing inches by 9 25 inches and a 1x4 is 3 4 inch by 3 5 inches. The members making up the main body of the framework of all roofs are called rafters.

Below we give the locations and functions of various roof framing members rafter types collar ties rafter ties ceiling joists and structural ridge beams. They vary in size depending on their length and spacing. They do for the roof what the joists do for the floor and what the studs do for the wall. The roof and ceiling can be attached to the same member steep hip roofs can be constructed easier by stick framing last minute changes can be made one piece at a time with the framing to construct half stories built into the roof that have large dormers or shed roof style openings out of the roof.

Initially we will discuss the framing of gable roofs so that we can learn the basics of how to size a roof rafter beam or joist.