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Batt / Roll

Cotton (Denim) Batts Insulation

Complete guide to cotton (denim) batts insulation: R-value, installed cost, pros, cons, and best applications.

Key Specifications

3–3.7
R-Value per Inch
$0.60–$1.20
Material Cost/sqft
$1.20–$2.00
Installed Cost/sqft
18"
Depth for R-60

Cost Analysis (1,200 sq ft Attic)

OptionLow EstimateHigh Estimate
Material only (DIY)$720$1,440
Professionally installed$1,440$2,400

*Estimates for a full install to Climate Zone 5 R-60 depth. Use the calculator for your specific situation.

+ Pros

  • Made from 85% recycled denim and cotton
  • No formaldehyde or chemical irritants
  • Safe to handle without gloves or mask
  • Good acoustic performance

Cons

  • More expensive than fiberglass batts
  • Can absorb moisture if exposed to bulk water
  • Limited availability in some regions
  • R-value per inch similar to standard fiberglass

Best Applications

  • Families with chemical sensitivities
  • Green building projects seeking recycled content
  • Interior wall sound insulation
  • Schools and healthcare facilities

Comparing Insulation Types

Cotton (Denim) Batts is a batt / roll insulation. With R-3–3.7 per inch, it is suited to applications where depth is not a constraint.

View full insulation type comparison →

Is Cotton (Denim) Batts Right for Your Attic?

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