Roof Celine Joists

We were told that the joists are not providing structural support and were merely for affixing the flat ceiling.

Roof celine joists.

In this design the tops of the rafters attach to a load bearing ridge beam that runs along the length of the roof. A broken roof joist is a serious problem that must be taken care of immediately. They are used to support a ceiling above or the floor below. These span tables list allowable ceiling joist spans for common lumber sizes based on what design load scenario is applied.

The ceiling joist 2x4s are running at right angles to the beam and rafters across the 12ft span of the room. Before we look at these tables we need to make sure the correct design loads are determined prior to selecting the correct table. These joists are below the beam and are tied to it by 2x4. Ceiling joists of the first floor of a two story structure often serve as floor joists for the second floor.

Joists are traditionally made from timber. The roof joist is what makes up the ceiling of a home. The joists are horizontal pieces of lumber that span the distance from one side of the home to the other. Ceiling joist loads ceiling joists are sized based on one of two tables found in the code.

A structural ridge is the standard alternative to ceiling joists.