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Pets / Outdoor
Duplex Outdoor Cat Shelter
Give cats that prefer separate sleeping spaces their own room, front entrance and rear escape beneath a shared removable roof.

Get to know the build.
16 steps with drawings. Materials: lumber, foam board, plywood and screws.
- Finished size · width × depth × height
- 44 × 24 × 20 in
- Stock used in the design
- 1x2 SPF, 8 ft; 2x2 SPF, 8 ft; 2x4 PT, 8 ft; 1 in foam board, 4 × 8 ft; 1/2 in plywood, 4 × 8 ft; #8 x 1-1/4 in tan star flat-head deck screws; and more in the shopping list
- Tools to check
- Tape measure, Speed square, Pencil, Level, Circular saw, Straightedge cutting guide, Jigsaw, Drill/driver, Countersink bit, Wood drill bits for pilot holes, screw clearance holes and jigsaw starter holes, T20 star driver bit, Bar clamps (at least 4, 24 in or longer), Sandpaper, Small paintbrush, Safety glasses, Hearing protection, Work gloves, Dust mask, Utility knife, Stable work supports and a flat work surface, Cardboard pads, Square scrap blocks and plywood offcuts, Calipers, Hand screwdriver matching the roof screws, Drill depth stop, Dust brush and wiping cloth, Small container for roof screws and Wide scrap support for narrow stock.
Start with the plan.
Digital download. Materials, tools and the finished item are not included.
- Preparation packet PDF (shopping list, cut list, tools), 15 pages
- Build guide PDF, 46 pages
- Preparation packet PDF, metric (mm) (shopping list, cut list, tools), 15 pages
- Build guide PDF, metric (mm), 46 pages
- Offline animated 3D build guide (ZIP; open guide.html in a web browser; guide-metric.html for mm)