Begin by cutting sheets to 16 inches by 8 feet or smaller panels marked 3 8 of an inch deep on back and a minimum of every 12 inches across in width.
How to frame a floor over concrete.
Don t worry about the gap.
These will be the end sill plates that support the ends of the floor joists.
Use a minimum 3 4 inch cd exposure 1 plywood sheathing 4 foot by 8 foot sheets.
Place 16 inch planks perpendicular or diagonal to direction of flooring.
Studs are placed every 16 or 24 along the wall so you ll need enough 2 x 4 boards to cover it.
When we build the frame on the ground we ll need to slide it vertically into place.
Treated plywood to the concrete with concrete screws spaced every 16 in.
Secure each length to the slab with concrete nails spaced approximately 32 inches apart and 8 to 12 inches from each end.
We ll need some breathing room to make it fit.
We ll take care of that in step 3.
Alternatively screw rows of treated 1x4s to the concrete 16 in.
Lay 6 mil polyethylene sheeting over the concrete to minimize moisture migration from the concrete up into the wood flooring.
The floor is 4 inches lower than the adjacent kitchen floor.
You can attach it directly to the concrete or install a subfloor first and then attach the floor to that.
Framing a floor over concrete i ve got a project coming up and have some questions.
Plan is to open things up between the two knock out the old windows and the block wall.
Install it flat on the slab surface with the outside edge aligned against the side wall or the edge of the floor line.
There are three ways to lay a floor over concrete.
The most straightforward method is not to attach it but float the floor on top.