How many sheets of subfloor do I need?
Based on 4 x 8 sheets of plywood or OSB.
Sheets (4 x 8)
6 sheets
Estimated material cost
Sheets
6 x $$40.00 per sheet
$240
Subfloor screws
360 x $$0.05 per screw
$18.00
Construction adhesive
2 x $$8.00 per tube
$16.00
Typical store prices before tax and delivery. Change any price to match your store.
How to measure
Measure the room's length and width.
Tips from the field
- Run the long side across the joists and stagger the end seams.
- Glue and screw to stop squeaks. Screws every 6 inches on edges and 12 inches in the field.
What you'll need
Common questions
How thick should subfloor be?
3/4 inch tongue and groove plywood or OSB over joists 16 inches apart.
Should I glue and screw subfloor?
Yes. Glue and screws prevent squeaks much better than nails alone.
Which direction does subfloor run?
The long side runs across the joists, with end seams staggered.
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Printed from housecalcs.com/tools/plywood-subfloor-calculator