New Orleans’ Trusted Renovation Experts — Transform Your
Home with Confidence- Get Your Free Estimate

watch

Opening Hours Mon - Fri: 8:00 AM - 3:00 PMSat - Sun: Closed

tellpone

Talk to an Expert504-294-8616

Roofing Insulation

Roofing Insulation Services in New Orleans

Big EZ Renovations installs and upgrades roofing insulation for homes and commercial buildings across Greater New Orleans. Proper roof insulation is critical in Southeast Louisiana, where air conditioning runs 8 to 9 months per year. Inadequate insulation forces your HVAC system to work harder, drives up utility bills, and creates moisture problems that lead to mold in attic spaces.

Call 504-294-8616 or request a free estimate for roofing insulation.

Types of Insulation We Install

Spray Foam Insulation (Open-Cell and Closed-Cell)

Spray foam is the most effective insulation for Louisiana attics. Closed-cell spray foam provides the highest R-value per inch (R-6 to R-7), acts as a vapor barrier, and adds structural rigidity. Open-cell foam (R-3.5 to R-4 per inch) is more affordable and excellent for sound dampening. Cost: $1.50 to $3.50 per square foot for open-cell, $2.50 to $5.50 for closed-cell.

Cellulose Insulation

Blown-in cellulose is made from recycled paper treated with fire retardant. It fills gaps and voids effectively, resists air infiltration, and costs less than spray foam at $0.80 to $1.50 per square foot. It is a good mid-range option for attic floors in New Orleans homes.

Fiberglass Insulation

Fiberglass batts and blown-in fiberglass are the most affordable options at $0.50 to $1.20 per square foot. However, fiberglass can absorb moisture in humid climates and lose R-value when wet. In New Orleans, fiberglass works best when paired with a proper vapor barrier.

Insulation Costs in New Orleans

Type Cost Per Sq Ft R-Value Per Inch Best For
Fiberglass batts $0.50 – $1.20 R-3.0 to R-3.8 Budget projects, wall cavities
Blown-in cellulose $0.80 – $1.50 R-3.2 to R-3.8 Attic floors, retrofit
Open-cell spray foam $1.50 – $3.50 R-3.5 to R-4.0 Attic underside, sound control
Closed-cell spray foam $2.50 – $5.50 R-6.0 to R-7.0 Maximum efficiency, moisture barrier

For a typical 1,500 sq ft attic in New Orleans, insulation projects range from $750 (fiberglass top-up) to $8,250 (full closed-cell spray foam). The energy savings typically pay back the investment within 3 to 5 years through lower cooling bills.

Why Insulation Matters in New Orleans

  • Energy savings: Proper insulation reduces cooling costs by 15-30% in Louisiana homes where AC accounts for the largest share of utility bills.
  • Moisture control: In New Orleans’ humid climate, insulation paired with proper ventilation prevents condensation that causes attic mold and wood rot.
  • Comfort: Eliminates hot spots, cold drafts, and uneven temperatures between rooms.
  • Roof longevity: Proper attic ventilation and insulation reduce heat buildup that accelerates shingle deterioration.

Frequently Asked Questions: Roofing Insulation

How much does attic insulation cost in New Orleans?

Costs range from $0.50 to $5.50 per square foot depending on the type. For a 1,500 sq ft attic, expect $750 to $8,250. Spray foam is the most expensive but provides the highest performance and moisture resistance.

What R-value do I need in New Orleans?

The Department of Energy recommends R-38 to R-60 for attics in Climate Zone 2, which includes New Orleans. Most existing homes have R-19 or less, meaning significant improvement is possible.

What is the best insulation for Louisiana humidity?

Closed-cell spray foam is the best choice because it provides insulation and acts as a vapor barrier simultaneously. If budget is a concern, cellulose with a proper vapor barrier is a solid alternative.

Can I add insulation on top of existing insulation?

Yes, in most cases. Adding blown-in cellulose or fiberglass on top of existing attic insulation is a cost-effective way to increase R-value. We inspect the existing insulation for moisture or mold damage first.

Schedule Your Insulation Assessment

Call Big EZ Renovations at 504-294-8616 or request a free estimate. We also provide roof coatings that pair with insulation upgrades for maximum energy savings.

Free Estimate