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Choose the Right Insulation for Your Project
Compare spray foam, fiberglass, cellulose, and other insulation types. Understand R-values, costs, applications, and performance characteristics.
With so many insulation options available, selecting the right type for your project can be confusing. Each material has unique properties, advantages, and best applications.
This comprehensive comparison helps you understand the differences between major insulation types and make an informed decision.
| Type | R-Value per Inch | Cost per Sq Ft | Best Applications | Pros | Cons | Rating |
|---|---|---|---|---|---|---|
| Spray Foam (Closed-Cell) | R-6 to R-7 | $1.50-$4.50 | Walls, roofs, foundations | Superior air sealing, moisture barrier, high R-value | Expensive, requires ventilation, professional installation only | |
| Spray Foam (Open-Cell) | R-3.6 | $0.50-$1.50 | Attics, interior walls | Good air sealing, cost-effective, soundproofing | Lower R-value, absorbs moisture, not for wet areas | |
| Fiberglass Batts | R-3.1 to R-4.3 | $0.50-$1.00 | Walls, ceilings, floors | Inexpensive, easy to install, fire resistant | Can settle, poor air sealing, itchy installation | |
| Cellulose (Blown) | R-3.2 to R-3.8 | Attics, walls, retrofit | Eco-friendly, excellent air sealing, fire resistant | Requires professional installation, can settle | ||
| Rigid Foam Boards | R-4 to R-8 | $1.00-$3.00 | Exterior walls, foundations | High R-value, moisture resistant, durable | Expensive, requires proper installation | |
| Sheep's Wool | R-3.5 to R-4.0 | $2.00-$4.00 | Walls, ceilings, floors | Natural, regulates humidity, biodegradable | Expensive, limited availability, pest concerns |
Energy savings? Moisture control? Budget? Soundproofing?
New construction? Retrofit? Moisture-prone area?
Material + installation + long-term performance + incentives
Consult with insulation experts for your specific situation
Don't guess which insulation type is right for your project. Contact us for personalized recommendations based on your home and needs.