How many hens fit in one plywood sheet

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1Why the math works out this way

Two to four hens is the sweet spot for a single-sheet build: the floor, most of the walls and the roof can come from one 4x8 panel with a compact design, with a second sheet or scrap covering the run's frame. Past four or five hens, the floor space requirement alone starts eating a full sheet, and the project becomes a two-sheet job.

2The first hour

Draw the cut plan on paper before touching the sheet — a coop box, a hinged access panel, and a run frame all need to come off one panel with minimal waste, and that's a five-minute sketch that saves a ruined sheet. Cut a vent hole or two before you close the walls up, and put them on the side away from the wind — skip this and the coop gets damp fast, with an ammonia smell that means you waited too long to clean it.

3What goes wrong

Undersizing the floor to save plywood is the classic mistake — cramped hens are stressed hens, and stress shows up as reduced laying and feather-pecking. Build to the 3-to-5-square-foot-per-bird minimum, not below it, even if that means a second sheet. Roost bars cut too narrow or too wide give hens nothing to grip — aim for 1.5 to 3 inches across, with 6 to 8 inches of bar length per bird. And don't trust thin chicken wire at ground level: raccoons pull through anything wider than an inch, so bury or staple on hardware cloth with openings no bigger than 1x2 inches.

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