ACRE
What the house takes.
These counts are for a post-and-mesh cob room, not a solid two-foot cob wall.
East to west
12 ft
North to south
16 ft
Door
Windows
Counts
Posts
4×4, eight feet, corners shared
18
Plates
2×6 sill and a double top plate
168 ft
Lintels
3 openings, a foot of bearing each side
11 ft
Mesh
One layer, openings left out
421 sq ft
Cob
10.4 cubic yards, eight inches thick
280 cu ft
Clay soil
One part of the mix
112 cu ft
Coarse sand
Two parts of the mix
224 cu ft
Straw
One small bale for every 12 cubic feet of cob
24 bales
Walls are eight feet to the plate. Soil and sand include a fifth extra for what packs down. A solid two-foot wall would take three times the cob. Roof, floor, and foundation are not counted. Choices stay on this phone.