Residential Roof Framing Design

It s finally time to draw your floor plans.

Residential roof framing design.

The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. Types of roofs the most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. State building code 6th edition ch. It is the form most commonly used by the navy.

Ibc 2000 1 2 family dwellings per town ri. Next module drawing floor plans. These or similar load combinations are often used in practice as short cuts to those load combinations that govern the design result. Boca national building code 1996 irc 2003 ma.

Your local building inspector can direct you to sources for the tables required in your region. In this tutorial module residential structural design we ve covered basic structural loads for wood framed homes sizing floor joists floor beams and roof beams. There is no great architectural splendour in these roofs. It s steep pointed roof which extends all the way to the ground or close to the ground.

Shed gable hip gambrel and mansard. It s a very simple roof design and is inexpensive because the roof serves as both roof and walls. For a timber frame home or a house design that uses glu lams or lvls the principles are the same but you will use different tables. The load combinations in table 3 1 are simplified and tailored to specific application in residential construction and the design of typical components and systems in a home.

The roof makes up much or all off the walls of the home. It is a waterproofing layer made of regular felt stacked above the solid. The span rise run and line length. 4101 8 board of building standards.

Residential code of ohio chapter 4101 8 1 general provisions chapter 4101 8 2 definitions chapter 4101 8 3 approved standards chapter 4101 8 4 concrete chapter 4101 8 5 accepted engineering practice chapter 4101 8 6 walls chapter 4101 8 7 wall covering chapter 4101 8 8 roof ceiling construction. Flat roof designs are quite common in residential buildings. Common types of roofs and basic framing terms. The a frame is very easy to identify.

A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework. In order to build any but a shed type roof including trusses you ll need to first determine a few factors. Impact to building design. It is simple in design economical to construct.

You can go for an extended roof that covers a few feet outside the external walls of the house. Gable a gable roof has a ridge at the center and slopes in two directions. Ibc 2003 irc 2003 vt. An example of each is shown in figure 2 1.

The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process. Let s move on to. The gable is the most common and it can be complicated with multiple roof lines including valleys and dormers. Roofs are framed in five basic designs.