Wall Construction Types

Exterior Coverings:

• 1. 0.5-in lapped wood siding

  2. 1-in stucco finish

  3. 0.125-in vinyl siding

  4. 0.125-in aluminum siding

  5. 4-in face brick veneer

Wood Frame Wall Construction:

• 1. exterior covering

  2. 0.625-in plywood sheathing

  3. 3.5-in wood studs @ 16 in o.c.

  4. 3.5-in vertical air spaces + mineral fiber batt insulation

  5. 0.5-in gypsum wallboard

Wood Frame Walls with Expanded Polystyrene Sheathing:

• 1. exterior covering

  2. 0.5-in fiberboard sheathing

  3. 1-in expanded polystyrene insulation

  4. 3.5-in wood studs @ 16 in o.c.

  5. 3.5-in vertical air spaces + mineral fiber batt insulation

  6. 0.5-in gypsum wallboard

Wood Frame Walls with Optimum Value Engineering:

• 1. exterior covering

  2. 0.5-in fiberboard sheathing

  3. 5.5-in wood studs @ 24 in o.c.

  4. 5.5-in mineral fiber batt insulation

  5. 0.5-in gypsum wallboard

Structural Brick Walls:

• 1. 8-in common structural brick

  2. (0-2)-in expanded polystyrene insulation

  3. 0.75-in wood furring

  4. 0.75-in vertical air spaces

  5. 0.5-in gypsum wallboard

Concrete Block Walls:

• 1. exterior covering

  2. 8-in concrete block

  3. 5-in vertical air spaces

  4. 0.75-in wood furring

  5. 0.75-in vertical air spaces + fiberglass fill wall insulation

  6. 0.5-in gypsum wallboard

Straw Bale Walls:

• 1. 1-in stucco finish

  2. 23-in straw bale

  3. 1-in stucco finish

Effective R-values:

The Home Energy Scoring Tool differs from Home Energy Saver Pro and Consumer in the wall types included.

Types not included in the Scoring tool are:

• • Wood Frame w/ Insulated Headers 

  • Wood Frame w/ Insulated Headers & EPS 

  • Wood Frame EPS Optimum Value Engineering

Additional types included in the Scoring Tool and the associated construction codes:

• • Stone => use the same insulation levels as for "Concrete Block"

  • Wood Frame with Asbestos, Fiber Cement, Composite Shingle or Masonite siding  => use the same insulation levels as for standard wood siding.