Simple Outhouse — board plan

What to buy, and which parts come off which board.

Buy 28 boards at 8 ft.

1 1/2" × 5 1/2" — Treated 2x6

4 boards · 19.0 board feet (includes 15% for knots and defects) · 76% of the boards you buy used

Board 1 · 22 3/4" left over
36"36"
1. Floor decking — 36"
2. Floor decking — 36"
Board 2 · 22 3/4" left over
36"36"
1. Floor decking — 36"
2. Floor decking — 36"
Board 3 · 22 3/4" left over
36"36"
1. Floor decking — 36"
2. Floor decking — 36"
Board 4 · 22 3/4" left over
36"36"
1. Floor decking — 36"
2. Front/back tie-in, 2x6 — 36"

1 1/2" × 3 1/2" — Treated 2x4

14 boards · 47.1 board feet (includes 15% for knots and defects) · 85% of the boards you buy used

Board 1 · 14 5/8" left over
80 1/4"
1. Wall studs, front — 80 1/4"
Board 2 · 14 5/8" left over
80 1/4"
1. Wall studs, front — 80 1/4"
Board 3 · 20 5/8" left over
74 1/4"
1. Wall studs, middle — 74 1/4"
Board 4 · 20 5/8" left over
74 1/4"
1. Wall studs, middle — 74 1/4"
Board 5 · 22 7/8" left over
72"
1. Base rails — 72"
Board 6

1 1/2" × 1 1/2" — 2x2

1 board · 0.5 board feet (includes 15% for knots and defects) · 31% of the boards you buy used

Board 1 · 65 7/8" left over
29"
1. Bench front rail — 29"

3/4" × 9 1/4" — 1x10

3 boards · 12.8 board feet (includes 15% for knots and defects) · 81% of the boards you buy used

Board 1 · 17 7/8" left over
77"
1. Door boards — 77"
Board 2 · 17 7/8" left over
77"
1. Door boards — 77"
Board 3 · 17 7/8" left over
77"
1. Door boards — 77"

3/4" × 5 1/2" — 1x6

1 board · 2.7 board feet (includes 15% for knots and defects) · 88% of the boards you buy used

Board 1 · 11 3/8" left over
27 3/4"27 3/4"27 3/4"
1. Door battens — 27 3/4"
2. Door battens — 27 3/4"
3. Door battens — 27 3/4"

3/4" × 3 1/2" — 1x4

1 board · 1.6 board feet (includes 15% for knots and defects) · 80% of the boards you buy used

Board 1 · 18 3/4" left over
38"38"
1. Door braces — 38"
2. Door braces — 38"

1/2" × 48" — 1/2" exterior plywood

2 boards · 32.0 board feet (includes 15% for knots and defects) · 88% of the boards you buy used

Board 1 · 11 1/2" left over
83 3/8"
1. Wall sheathing — 83 3/8"
Board 2 · 11 1/2" left over
83 3/8"
1. Wall sheathing — 83 3/8"

1/2" × 36" — 1/2" exterior plywood

2 boards · 17.6 board feet (includes 15% for knots and defects) · 65% of the boards you buy used

Board 1 · 16 1/2" left over
52"26 1/4"
1. Roof plywood — 52"
2. Back panel, upper — 26 1/4"
Board 2 · 50 7/8" left over
44"
1. Back panel, lower — 44"

Cuts are listed longest-first, which is how they should be made: the awkward pieces get placed while there is still board to place them on. The layout assumes one end of each board is squared off (1") and that every cut costs 1/8" of kerf — the reason six 16″ parts do not fit on a 96″ board.

Simple Outhouse — board plan

1 1/2" × 5 1/2" — Treated 2x6

Board 1 · 22 3/4" left over

Board 2 · 22 3/4" left over

Board 3 · 22 3/4" left over

Board 4 · 22 3/4" left over

1 1/2" × 3 1/2" — Treated 2x4

Board 1 · 14 5/8" left over

Board 2 · 14 5/8" left over

Board 3 · 20 5/8" left over

Board 4 · 20 5/8" left over

Board 5 · 22 7/8" left over

Board 6

1 1/2" × 1 1/2" — 2x2

Board 1 · 65 7/8" left over

3/4" × 9 1/4" — 1x10

Board 1 · 17 7/8" left over

Board 2 · 17 7/8" left over

Board 3 · 17 7/8" left over

3/4" × 5 1/2" — 1x6

Board 1 · 11 3/8" left over

3/4" × 3 1/2" — 1x4

Board 1 · 18 3/4" left over

1/2" × 48" — 1/2" exterior plywood

Board 1 · 11 1/2" left over

Board 2 · 11 1/2" left over

1/2" × 36" — 1/2" exterior plywood

Board 1 · 16 1/2" left over

Board 2 · 50 7/8" left over

Board 7 · 2" left over

Board 8 · 2" left over

Board 9 · 1/8" left over

Board 10 · 1/8" left over

Board 11 · 24 3/4" left over

Board 12 · 24 3/4" left over

Board 13 · 5/8" left over

Board 14 · 33 3/4" left over