Residential Roof Framing Design

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.

Residential roof framing design. Boca national building code minimum standard residential code prescriptive vs. It is the form most commonly used by the navy. 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. The span rise run and line length.

It s steep pointed roof which extends all the way to the ground or close to the ground. 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. It s finally time to draw your floor plans. State building code 6th edition ch.

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. There is no great architectural splendour in these roofs. Shed gable hip gambrel and mansard. 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.

You can go for an extended roof that covers a few feet outside the external walls of the house. These or similar load combinations are often used in practice as short cuts to those load combinations that govern the design result. Ibc 2000 1 2 family dwellings per town ri. 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.

Roofs are framed in five basic designs. In order to build any but a shed type roof including trusses you ll need to first determine a few factors. It s a very simple roof design and is inexpensive because the roof serves as both roof and walls. Flat roof designs are quite common in residential buildings.

Gable a gable roof has a ridge at the center and slopes in two directions. The roof makes up much or all off the walls of the home. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. It is simple in design economical to construct.

The a frame is very easy to identify. Let s move on to. It is a waterproofing layer made of regular felt stacked above the solid. Common types of roofs and basic framing terms.

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. Ibc 2003 irc 2003 vt. 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. 36 1 2 family dwellings nh.

The gable is the most common and it can be complicated with multiple roof lines including valleys and dormers. Boca national building code 1996 irc 2003 ma. Impact to building design. Next module drawing floor plans.