Waterfowl Management in Georgia

Specifications for Wood Duck Box Construction

Diagram (Adobe Acrobat Reader required).

Materials
  • Rough cut cypress boards 1" thick are preferred, but cedar, yellow pine, or exterior plywood are acceptable substitutes.  DO NOT use treated lumber.
  • Weather resistant latch on the side flap that opens for maintenance
  • Zinc coated 1 ½" inch wood screws
  • ½" wire mesh, 4 ½"  wide, from bottom of box to front hole, on inside of box, to allow ducklings to climb up and escape
  • See figure
Sides (10" wide)
  • One side with pivoting flap
  • Flap beveled for opening 8 ½" above the bottom
  • Flap beveled at top
  • Pivot screws 16" above the bottom
  • Use countersunk wood screws
Bottom
  • Recessed at least 1/4" with five holes at least 3/8" diameter for drainage
Top (12" wide)
  • Overhang front by 1 ½"
  • Use countersunk wood screws
  • Bevel back cut to match back board
Front (12" wide)
  • Opening cut 3" high by 4" wide
  • Opening 4" from top of front board
  • Use countersunk wood screws
  • Bevel top cut to match top board
Back (12" wide)
  • Leave 2" above and below for mounting to post with lag bolts
  • Use countersunk wood screws
Predator Guard
  • Use 29 gauge aluminum flashing or galvanized metal, 36" wide
  • See figure for specifications on inverted cone design
Post
  • Pressure treated 4" by 4" wooden post, various lengths depending on water depth