Roof Framing Design

It s steep pointed roof which extends all the way to the ground or close to the ground.

Roof framing design.

The roof frame work mainly consists of purlins inferior purlin central purlin and ridge purlin ridge collar rafter and roofing battens. Shed gable hip gambrel and mansard. The pitch of the roof determines the roofing material you can use. But before discussing roof framing we will first review some basic terms and definitions used in roof construction.

There are two common ways of framing the roof of a house. 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. Asphalt shingle can be installed on a pitch of 2 over 12 or greater. Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult.

With premanufactured trusses or with rafters and ceiling joists commonly called stick framing. 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. It s a very simple roof design and is inexpensive because the roof serves as both roof and walls. We will then discuss the framing square and learn how it s used to solve some basic construction problems.

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. There are several roof types. Definition of structural ridge or ridge beam used in roof framing a structural ridge beam is a horizontal beam placed at the peak or ridge of a roof and is designed to carry much of the live and dead loads or weight of the roof structure by itself. Plywood or osb is the most common materials used for the roof sheathing.

Another common design in the northeast is the saltbox which is a gable roof with one longer side. The framing style of the roof refers to the actual components of each roofing truss and the design of the structural foundation of that roof. It must meet the local codes for thickness at least 3 8 which is also based on the rafter or truss spacing. Roof framing in this chapter we will introduce you to the fundamentals of roof design and construction.

The gable roof hip roof gambrel roof flat roof shed roof mansard roof and many more custom roof types. All roof framing tables are organized by maximum snow load. The roof makes up much or all off the walls of the home. Roofs are basically five types.

A distinction is made between single shell and double shell roofs. Roof framing depends on the type of roof you want to build.