HOW TO MEASURE
YOUR ATTIC R-VALUE!
Interactive attic insulation diagram CURRENT R-VALUE R-38 LOOK UP HERE! It's your attic!
R-0 R-60
Drag to adjust R-value
R-VALUE
R-38
DEPTH
12.1"
RATING
GOOD
3 EASY STEPS TO FIND YOUR R-VALUE!
1
GRAB A RULER OR TAPE MEASURE
Any ruler will do — even a yardstick!
2
MEASURE THE INSULATION DEPTH
Stick it straight down through the fluffy pink stuff!
3
MULTIPLY BY 3.14 (FOR FIBERGLASS)
Each inch of fiberglass = about R-3.14!
★
MOST ATTICS NEED
R-38 TO R-60 FOR BEST EFFICIENCY!
Good insulation for most US climates.