Wood Roof Framing Design

We will then discuss the framing square and learn how it s used to solve some basic construction problems.

Wood roof framing design.

Continuing on from part 3. The robust combination of structural characteristics results in a versatile economical framing member that is easy to install in residential and light commercial projects. Its architectural possibilities are limitless. Conventional light frame wood structures may be built without the need for engineering analysis of each component.

The span rise run and line length. The two most common types of panelized wood roof systems used in north america are all wood and hybrid systems. The provisions for prescriptive roof construction are found in chapter 8 of the irc and in section 2308 of the ibc. Wood framing roof design software for revit lets you instantly create prefabricated timber framed roof panels truss and rafter systems.

But before discussing roof framing we will first review some basic terms and definitions used in roof construction. Distribute connectors cuts supports tension braces and other hardware details by the batch load based on predefined rules or connection types. Within limitations which include among others building size roof pitch and design loads the allowed span for conventional rafters can. Roof framing in this chapter we will introduce you to the fundamentals of roof design and construction.

Functions are versatile parameters easy to control and changes occur in real time. Shed gable hip gambrel and mansard. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial. Floor beam span tables of residential structural design we will now look at roof rafter and beam design.

An all wood system consists of glued laminated glulam beam girders with wood purlins glulam i joists or open web wood trusses wood sub purlins and a wood structural panel deck. Wood construction is readily adapt able to traditional contemporary and the most futuristic building styles. The gable is the most common and it can be complicated with multiple roof lines including valleys and dormers. And generate custom shop drawings.

Let s consider a basic gable wood roof framing design. Therefore we ll focus on structural design that specifies standard dimension lumber and structural wood panels i e plywood and oriented strand board sheathing. Increasingly wood framing is also being used in com mercial and industrial buildings. Design of the lateral force resisting system i e shearwalls and.

In order to build any but a shed type roof including trusses you ll need to first determine a few factors. The residential construction material most commonly used above grade in north america is light frame wood. This is known as prescriptive framing. Wood frame buildings are economical to build heat and cool and provide maximum comfort to occupants.

Roofs are framed in five basic designs. Therefore this chapter focuses on structural design that specifies standard dimension lumber and structural wood panels i e plywood and oriented strand board sheathing.