Floor Framing At Separation Wall

This project employs the same principles and components that are used in the construction of any frame house.

Floor framing at separation wall.

The following detailing should be applied at the junction of a twin light steel frame separating wall with a light steel joist with board separating floor. A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals. Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s. All of the fire separation is actually happening in the middle gypsum board so you can put plumbing and electrical into the bearing walls without dealing with a block wall.

Some newer homes have manufactured i beam shaped joists. Before you begin cutting or measuring grab a pencil and paper and sketch an outline of your floor. The wall boards are not in direct contact with the floor decking board or the flooring board. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home.

Cmu has its place especially in stair and elevator cores but for separation in a wood framed townhome its typically overkill. Extremely long spans staircases or interior walls typically require additional support which can complicate your framing. 2x lumber spaced and nailed correctly then set plumb. Fire resistance rated wood frame wall and floor ceiling assemblies building code requirements for occupancies such as stores apartments offices and other commercial and industrial uses building codes commonly require floor ceiling and wall assem blies to be fire resistance rated in accordance with standard fire tests.

Draw up a basic floor framing plan.