On upper levels of a house the underside of the floor framing generally serves to back ceiling materials.
Framing floor into wall.
First mark the inside edge of the wall at each corner and snap chalk lines.
Or if the floor is unfinished you can nail a couple of blocks along the chalk line for the soleplate.
Use an impact driver to drive a 3 tapcon screw through the wood and into the floor.
Fasten the bottom plate by driving 16d nails through it into the floor.
Once the wall is secured cut the sole plate out of the door opening with a handsaw.
Use a hammer drill with 3 16 masonry bit to drill a hole through the wood and into the concrete floor.
At the floor mark nail a 2by block to the soleplates of the adjacent walls to act as a brace.
A raised floor is constructed with a wooden framework that bridges from one exterior wall to another.
Eliminate wood framing basics mistakes by chalking a full size map of your walls directly on the floor.
Mark the location of interior walls as well and snap chalk lines on both sides of interior wall locations to ensure correct plate positions.
Repeat at the other end of the board.
As you shim and plumb each section of wall drive 16d nails through the top plate into the framing with a hammer or nail gun.
Cut pressure treated 2 x 4 boards to length and lay them along the chalk line.
Drill holes through the wood sole plate with a wood bit and mark the floor.
Starting at one end of the new wall shim between the top plate and ceiling and check the wall for plumb with a level.
This framework may or may not be supported intermediately by girders beams or walls.
Mark the layout on the floor.
On concrete slabs drill through the sole plate and into the concrete then drive in spring spikes masonry screws or masonry cut nails nail the end studs with 16d nails every 12 to 16 inches into studs or blocking of the abutting wall.
Before you begin cutting or measuring grab a pencil and paper and sketch an outline of your floor.
Walls are built from the ground up.
Your sketch should depict the floor s basic shape and layout complete with any additional features like alcoves nooks and staircases.
Fasten the wall into place.
Use the blocks to hold the bottom of the new frame in place while lifting the top plate to the ceiling.
Draw up a basic floor framing plan.
Move the sole plate drill the floor suck out the dust and tap the shield into place.