Owens Corning R-12.5 (25 PSI) FOAMULAR NGX 250 Extruded Polystyrene Foam Board Insulation 2-1/2″ x 4′ x 8′ – Scored Square Edge
Original price was: $59.99.$30.00Current price is: $30.00.
(In Stock)
Owens Corning R-12.5 FOAMULAR NGX 250 Extruded Polystyrene Foam Board Insulation
Product Overview Introducing the Owens Corning R-12.5 FOAMULAR NGX 250 Extruded Polystyrene Foam Board Insulation, engineered for exceptional thermal performance and energy efficiency. With a robust 25 PSI compressive strength and Scored Square Edge design, this insulation board measures 2-1/2″ x 4′ x 8′, making it an ideal solution for insulating walls, floors, and roofs. The FOAMULAR NGX 250 helps maintain a comfortable indoor environment while significantly reducing energy costs. Its closed-cell, moisture-resistant rigid foam structure provides excellent long-term performance and durability, suitable for both commercial and residential applications.
Key Features
- Closed-Cell Structure: Provides superior moisture resistance, making it suitable for various building applications.
- Versatile Applications: Ideal for above and below-grade use, including perimeter/foundation, cavity wall, precast concrete, and under slab installations.
- Continuous Insulation Layer: Helps seal buildings from air and moisture intrusion, ensuring enhanced energy efficiency.
- Durability: Retains 90% of its R-value for the lifetime of the building.
- Scored Square Edge: Facilitates easy on-site installation and customization.
- Eco-Friendly: Designed to exceed environmental regulations, promoting sustainability.
Please check the Product Data Sheet Here
Specifications
| Specification | Details |
|---|---|
| Product Type | Extruded Polystyrene Insulation |
| Insulation Material | Extruded Polystyrene |
| Overall Width | 4 feet |
| Overall Length | 8 feet |
| Thickness | 2-1/2 inches |
| R-Value | 12.5 |
| Coverage Area | 32 square feet |
| Minimum Compressive Strength | 25 PSI |
| Special Features | Limited lifetime warranty |
| Recommended Environment | Interior & Exterior |
| Listing Agency Standards | ASTM C578 |
| Shipping Dimensions | 8.00″ H x 4.00″ W x 2.50″ D |
| Shipping Weight | 10.75 lbs |
Frequently Asked Questions
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What is the R-value of the FOAMULAR NGX 250 insulation?
- The R-value of the FOAMULAR NGX 250 insulation is 12.5, providing excellent thermal resistance for enhanced energy efficiency.
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Can this insulation be used below grade?
- Yes, FOAMULAR NGX 250 is suitable for both above and below-grade applications, including perimeter/foundation and under slab installations.
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Is the FOAMULAR NGX 250 moisture-resistant?
- Yes, it features a closed-cell structure that offers high moisture resistance, making it ideal for various environments.
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Does this product come with a warranty?
- Yes, the FOAMULAR NGX 250 insulation comes with a limited lifetime warranty, ensuring long-term performance and reliability.
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How does the Scored Square Edge benefit installation?
- The Scored Square Edge allows for easy customization and precise fitting during installation, ensuring a smooth and efficient setup.


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