Building A False Floor In A Garage

Planned on using the 2 6 to support 2x4x12 on 16 centers with one end attached to rafters.
Building a false floor in a garage. How to raise garage floor for living space. My floor is an issue however and i am trying to figure out what the best way is to make it a safer and usable space. Garage floors are typically cold hard uninsulated concrete. For example two by four sleepers and floor joists installed flat and covered with plywood raise.
Garage conversions are an economical way to add a room to a home because the space is already enclosed. A false wall may be as simple as fabric attached to a frame or more complex like drywall attached to a frame. Determine the height of the false floor in relation to the bottom step of the basement stairs. House is a open floor plan so not a lot of support walls below.
It also assumes the room has been stripped of all floor coverings trim and other obstructions and that the floor you re building on top of is level. It is not uncommon for homeowners seeking more space in their house to convert their garage into a living space by covering the interior of the garage door with a false wall. If there is a dampness problem tackle this first with poly or other liners. Normally garage floors are about 8 inches below the general house level.
The outside of the garage has sunken over the years so the middle has on major crack that runs down the entire garage floor. One area in which converted garages are often lacking is the floor. Lan to use 2x4x36 upright screwed to ceciing joist every 24 to hold 2x6x12 s up above duct work.