Deck Screw Calculator

Calculate screws needed for securing roof decking to rafters.

Number of items or instances.
sheets
Distance between repeated elements.
in OC
Distance between repeated elements.
in
Distance between repeated elements.
in

Results

Screws per Sheet:
Value expressed as a rate (per unit).
-screws
Total Screws:
Sum of all calculated values.
-screws
Pounds of Screws:
Calculated pounds of screws based on your inputs.
-lbs
Reference: Industry Standards. IRC fastening schedule for roof sheathing.