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R-Value Calculations and Wall Sections

By Jason Yana

Choose a wall type:

BRICK VENEER OVER 4" WOOD FRAME CONSTRUCTION

WALL COMPONENT

R-VALUE

OUTSIDE AIR FILM

0.17

3 5/8" CLAY BRICK

0.44

AIR INFILTRATION WRAP SHIPLAPPED OVER FLASHING

1" AIR SPACE

0.44

1" THERMAX INSULATION

6.50

R-11 BATT INSULATION

11.00

1/2" DRYWALL

0.45

INSIDE AIR FILM

0.68

TOTAL WALL

R-VALUE

20.21

BRICK VENEER OVER 6" WOOD FRAME CONSTRUCTION

WALL COMPONENT

R-VALUE

OUTSIDE AIR FILM

0.17

3 5/8" CLAY BRICK

0.44

AIR INFILTRATION WRAP SHIPLAPPED OVER FLASHING

1" AIR SPACE

0.44

1" THERMAX INSULATION

6.50

R-19 BATT INSULATION

19.00

1/2" DRYWALL

0.45

INSIDE AIR FILM

0.68

TOTAL WALL

R-VALUE

28.21