Fastener Spacing Calculator
Determine fastener count and spacing from panel dimensions, design wind pressure, and fastener pullout capacity. Results are a planning reference — always confirm against the engineered wind design and manufacturer fastener tables.
Inputs
Panel geometry, design wind pressure, and fastener capacity.
Reference only — verify against manufacturer fastener tables and the project's engineered wind design. Pullout values vary by substrate gauge, anchor type, and embedment.
Design Pressure
30 psf
Panel Area
40.00 ft²
Total Uplift
1200 lbf
Fasteners Needed
12
10 edge + 2 field
Edge Spacing
29.3"
along long edge (in)
Field Spacing
22.5"
across panel width (in)
Fastener Layout Pattern
Long-edge fasteners per side5
Short-edge fasteners per side2
Interior field rows1
Capacity per fastener (with SF)100 lbf