Treehouse lookout tower materials list

Material

Cut to

Qty

Legs

2 x 4 

9'3"

4

Side joists

2 x 4

48"

2

Header joist

2 x 4 

20"

1

Anchor board

2 x 8 

17"

1

Backer board

2 x 4 

161⁄2"

1

Side handrails

2 x 4 

36"

2

Back rail

2 x 4 

24"

1

Facing

1⁄2" plywood

22" x 36"

1 

Owl cutout

1 x 8

1

Braces

2 x 4 

32"

2

Ladder rungs

5⁄4 x 6

23⁄4" x 24"

6 

Long nailing strips

2 x 2 

21"

2 

Short nailing strips

2 x 2 

9"

2

Floorboards

5⁄4 x 6 

20"

4

Trap door boards

5⁄4 x 6

191⁄2"

2

Battens

1 x 2 

12"

2

Bridging piece

2 x 4 

17"

1

Side and back panels

1 x 10 

44"

8

Qty

2" deck screws

1⁄2 lb

21⁄2" deck screws

1⁄2 lb

31⁄2" deck screws

 8

5⁄16" x 5" lag bolts

 4

5⁄16" x 5" carriage bolts

 2

5⁄16" washers

 6

5⁄16" nuts

 4

51⁄2" zinc-plated door pulls

 2

4" strap hinges

 2

11" x 16" Ensolite camping pad

 1

(1⁄2" thickness)