Floor Framing At Separation Wall

The gap between the wall boards and the decking board is filled with acoustic sealant.
Floor framing at separation wall. 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. Building a simple partition wall a stud wall that divides an interior space without bearing any load is a perfect introduction to the basics of home construction. Extremely long spans staircases or interior walls typically require additional support which can complicate your framing. Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s.
A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals. Before you begin cutting or measuring grab a pencil and paper and sketch an outline of your floor. Ceiling joists are usually 2 by 6s or sometimes 2 by 4s if it is an older home. Your sketch should depict the floor s basic shape and layout complete with any additional features like alcoves nooks and staircases.
Cmu has its place especially in stair and elevator cores but for separation in a wood framed townhome its typically overkill. 2x lumber spaced and nailed correctly then set plumb. The wall boards are not in direct contact with the floor decking board or the flooring board. 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.
Some newer homes have manufactured i beam shaped joists.