How do I choose the right insulation for my climate?
South Jersey is in climate zone 4, requiring attic insulation of R-49 to R-60. For walls, aim for R-13 to R-21 depending on wall construction. Choose from fiberglass batts, blown-in cellulose, spray foam, or rigid foam boards. Spray foam offers the highest R-value per inch and also air seals. Blown-in cellulose is cost-effective for attics. Rigid foam works well for basements and crawlspaces. Check the Department of Energy's insulation map for your specific zone and consult a professional insulation contractor.
Why It Matters
The right insulation keeps your home comfortable year-round, reduces energy bills, and prevents moisture problems. Proper installation is as important as the material.
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