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Made from spun glass fibers pressed into rigid boards.
High thermal resistance (R-value).
Fire-resistant, moisture-resistant, widely used in HVAC systems, walls, and industrial equipment.
GTOFRP Fiberglass Insulation Boards
Made from polystyrene (XPS/EPS) or polyisocyanurate (PIR).
High compressive strength, low weight.
Often used in roofing, foundation walls, and below-grade insulation.
| Material | Average Cost (per sq. ft) | Installation Cost | Lifespan |
|---|---|---|---|
| Fiberglass Insulation Board | $0.70 – $1.20 | Low–Medium | 25–30 years |
| Foam Board (XPS/EPS/PIR) | $1.20 – $2.50 | Medium–High | 30–40 years |
Insight: Fiberglass is cheaper upfront, while foam board costs more but offers higher compressive strength.
| Material | R-Value per Inch | Performance in Moisture | Fire Resistance |
|---|---|---|---|
| Fiberglass Insulation Board | R-4.2 – R-4.5 | Good (if sealed properly) | Excellent |
| Foam Board (XPS/EPS) | R-5.0 – R-6.5 | Better moisture resistance | Moderate |
Conclusion: Foam board performs better in thin applications where higher R-value is required, but fiberglass is better for fire safety & industrial use.
Fiberglass Insulation Board
HVAC ductwork
Commercial walls and ceilings
Industrial furnaces, boilers, and piping
Foam Board
Residential roofing and exterior walls
Foundation insulation
Cold storage & refrigeration
❌ Using fiberglass board in high-moisture underground areas.
❌ Using foam board in high-temperature applications (it can degrade).
❌ Ignoring fire codes – fiberglass is fire-safe, foam may require fire-resistant coating.
Choose Fiberglass Insulation Board if you need cost efficiency, fire resistance, and industrial-grade insulation.
Choose Foam Board if you need higher R-value, thinner layers, and moisture resistance.
Explore our GTOFRP Fiberglass Insulation Solutions for industrial and commercial projects.
