Insulation, Studs and Siding: Material Cost

Cellulose Insulation (recycled, blown in insulation.) 

--- 40 sqft = $10

--- R-49 = 18" thick walls, min 80 bags per 1000 sqft. ($800)

--- R-30 = 9" thick walls, min 47 bags per 1000 sqft.  ($470)

Note: Fiberglass insulation is $5 more per bag, covers less space, and is thought to be a little less effecient. 

Wood Studs

2x4x10 = $4.00

2x4x12 = $5.00

2x6x10 = $5.25

2x6x12 = $6.25

2x8x10 = $6.00

2x8x12 = $6.50

2x10x12 = $ 9.30

2x10x16 = $12.15

Floor Joists

2x10x12 = $ 9.30

2x10x16 = $12.15

Exterior Wall Option: 

Corrugated Galvanized Steel  2 1/2 x 8ft $9.20

Ferrocement

--- 94 lb portland cement $10.70

--- 60 lb bag of sand $4.00