How to Lay a Subfloor
More in Floors
Step 1: Mark the Cut Lines
Use a T-square to mark the cut lines on the plywood.
Step 2: Cut the Plywood
Cut the plywood to size, running the circular saw across the width of the board.
Step 3: Mark the Joist Locations
Using the original sub-floor nails as a guide, mark the floor joist locations on the wall to know where to insert the screws.
Step 4: Lay the Plywood
Lay the plywood in place on the floor.
Step 5: Insert the Deck Screws
Run a chalk line off the floor joist to mark the wall. Then, drive deck screws every 8 inches along the line.
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