Casita Fence Board Spacing Calculator
Calculate overlap and spacing for overlapping fence board installation
Inputs
Each board must overlap the next by at least this amount
Gap left between the post and the first/last board to allow for expansion if using side frames that will cover it
Results
Number of Boards Needed 10
Boards on Face 1 / Inside 5
Boards on Face 2 / Outside 5
Expansion Spacing (each end) 0"
Gap Between Boards 5.944" (5 15/16")
Start-to-Start Spacing (Same Face) 13.444" (13 7/16")
End-Gap (Board to Post) 6.722"
Actual Overlap Per Joint 0.778" (3/4")
Number of Overlap Joints 9
Effective Board Span 68"
Verification: Total Span 68" ✓
Board Layout — Top-Down Cross Section
Inside Face Boards (Face 1 — placed first)
Outside Face Boards (Face 2 — placed second)
Overlap Region
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