A 1,500 sq. ft. bungalow or split-entry is the most common residential footprint in Fredericton. Here is the exact breakdown for the cost of insulation in attic 1500 square foot house projects.
1,500 Sq. Ft. Attic Retrofit Breakdown
| Project Component | Typical Quantity | Estimated Cost |
|---|---|---|
| Soffit Baffles & Hatch Cover Fix | 30 baffles + 1 insulated hatch dam | $350 – $550 |
| Top-Plate & Pot Light Air Sealing | Full perimeter & interior partition foam | $650 – $950 |
| R-60 Cellulose Blow-In | ~30–40 bags (depending on existing R-value) | $1,500 – $2,400 |
| Total Cost of Insulation in Attic 1500 Square Foot House | Turnkey R-60 Retrofit | $2,500 – $3,900 |
Old Removal Option for 1,500 Sq. Ft. Attics
If old fiberglass must be extracted first, add $2,250 – $3,750 for full vacuum removal and sanitization ↗ ENERGY STAR.
--- Sources & Building Science References: NB Power — R-60 Attic Insulation Recommendations ENERGY STAR — Attic Air Sealing & Insulation Guide