House Step Down Roof Framing

This and following chapters describe roof framing using con.

House step down roof framing.

Additionally framing will start laying the tracks for the flooring roof doors and windows. Start by marking the plumb line the horizontal line that marks where the wall will meet the rafter. In most cases the walls have also been sheathed to increase their strength and stiffness. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.

Nominal 2 lumber is generally used for roof framing but i joists are increasingly common see chapter 13 engineered wood. Framing refers to the timber wall skeletons and outlines built by a carpenter. With premanufactured trusses or with rafters and ceiling joists commonly called stick framing. Building code ibc set out specific guidelines within which conventional light frame wood structures may be built without the need for engineering analysis of each component.

Measure your seat cuts. There are two common ways of framing the roof of a house. Roof framing begins after the house walls have been framed. This is known as prescriptive framing.

If foundations and footings are the horizontal guide plan for the house then frames are the major help in building the vertical. Line up the square with the plumb line then rotate it 180 degrees realigning the square on the other side of the. And the line length measurement from the roof peak to the building wall is the hypotenuse. While you re at it some carpenters.

The rise or height of the roof at its peak is the altitude of the triangle.