Roof And Ceiling Framing

The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
Roof and ceiling framing. 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. A vaulted roof structure opens the space below for stylistic reasons or for the addition of an attic or loft area. The rise or height of the roof at its peak is the altitude of the triangle. This video covers one of the most exciting parts of roof framing installing rafters.
Apart and attach the ends to the ends of the rafters. When framing your ceiling if the ceiling joists are not going in the same direction as the roof rafters 2 by 4s are added running in the same direction as the rafters. Some of these can support the roof and prevent ridge sagging and wall spreading. There are two common ways of framing the roof of a house.
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. While truss roofs are the most popular construction style today by some estimates truss roofs outnumber stick frame roofs two to one there are regions of the country where builders. Building code 2015 of utah 23 wood 2308 conventional light frame construction 2308 7 roof and ceiling framing 2308 7 12 wood roof planking modulus of elasticity e pounds per square inch roofs 4 20 1 240 1 360 160 170 000 256 000 30 1 240 1 360. Collar ties rafter ties tension beams structural ridge beams.
And the line length measurement from the roof peak to the building wall is the hypotenuse. We will go over raft. Wondering how to build the structure of your roof. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams.
Roof ceiling framing rafters ceiling joists the governing concept in the roof ceiling framing provisions is that loads on the roof are going to attempt to push the walls out and some resistance to that push must be provided. Space these boards 4 ft. Of the four basic roof shapes shed. In this 3rd video from our 3 part house framing series pro framer larry haun demonstrates how to build the roof for a modest size house.
The run or half the building span is the base of the triangle. Nail the 2 by 4s to the top of each ceiling joist with 2 16d nails.