Floor Framing & Materials 
 
ProBuilt Homes Standard
Floor Joist
2x Dimensional Lumber
 
 
Module Size
Joist Size
y
12'6" or less
12'6" - 14'
14' - 15'9"
2x8 SPF
Optional
N/A
2x10 SPF
Optional
N/A
2x10 SYP
Optional
Optional
2x12 SYP
Optional
Optional
Optional
 
All framing is constructed at 16"o.c. 12"o.c. is available upon request.
SPF = Spruce-Pine-Fur
SYP = Southern Yellow Pine
I-Joist
Open Joist
  
 
I-Joists are all optional and provide a much stronger floor system than traditional 2x dimensional lumber.
 
Open Joists are used in areas for plumbing on second floor only. Optional if wanted elsewhere.

Spec Sheet
Spec Sheet
Sub Floor
OSB
Plywood
Advantech
3/4" Standard
3/4" Optional
3/4" Optional
Spec Sheet
Underlayment
Cement Board
Plywood
  
1/2" optional
1/2" Optional