Recommended Insulation Levels

Logan Insulating - Recommended Insulation Levels

Insulation Zone Map (Adapted from Source Map at www.energystar.gov)

Recommended Insulation Levels

Recommended insulation levels for retrofitting existing wood-framed buildings in Ohio, West Virginia and Kentucky.

Zone Add Insulation to Attic Floor
Uninsulated Attic Existing 3-4 Inches of Insulation
Zone 4 (Yellow) R38 to R60 R38 R25 to R30
Zone 5 (Green) R49 to R60 R38 to R49 R25 to R30

(Source: www.energystar.gov)