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home > Owens Corning FOAMULAR NGX 250 SSE Rigid Foam Insulation, 3 in x 4 ft x 8 ft Extruded Polystyrene (XPS) Board > Owens Corning FOAMULAR NGX 250 SSE Rigid Foam Insulation, 3 in x 4 ft x 8 ft Extruded Polystyrene (XPS) Board

Owens Corning FOAMULAR NGX 250 SSE Rigid Foam Insulation, 3 in x 4 ft x 8 ft Extruded Polystyrene (XPS) Board main image 0

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Owens Corning FOAMULAR NGX 250 SSE Rigid Foam Insulation, 3 in x 4 ft x 8 ft Extruded Polystyrene (XPS) BoardFOAMULAR NGX 250 3" XPS Rigid Foam Board Closed cell, moisture resistant XPS insulation board engineered for above and below grade applications. The 3 inch thick, scored square edge panel delivers durable thermal performance with high compressive strength for foundations, cavity walls, under slab, and more. Key Features: Moisture Resistance: Closed cell XPS resists water absorption for reliable thermal performance. Durable Strength: 250 series board

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FOAMULAR NGX 250 3" XPS Rigid Foam Board

Name: Owens Corning FOAMULAR NGX 250 SSE Rigid Foam Insulation, 3 in x 4 ft x 8 ft Extruded Polystyrene (XPS) Board
Brand: azure.archi
SKU: 76617353804
Price: 35.03 USD
Availability: InStock
Rating: 4.0594 (407 reviews)

Closed-cell, moisture-resistant XPS insulation board engineered for above- and below-grade applications. The 3-inch thick, scored square edge panel delivers durable thermal performance with high compressive strength for foundations, cavity walls, under slab, and more.

Key Features:

Moisture Resistance: Closed-cell XPS resists water absorption for reliable thermal performance.
Durable Strength: 250 series board designed for demanding above/below-grade applications.
Versatile Use: Ideal for perimeter/foundation, cavity wall, precast concrete, and under-slab installations.
Easy Handling: Scored square edge (SSE) panels simplify cutting and fitting on site.
Sustainability Certifications: Meets federal and state emission regulations; GREENGUARD Gold, Energy Star, LEED aligned.

Please check the Product Data Sheet Here

Specifications Table:

Specification	Details
Product Name	FOAMULAR NGX 250 Scored Square Edge (SSE) Extruded Polystyrene (XPS) Rigid Foam Insulation
Dimensions	3" thickness x 4' width x 8' length
Thickness	3" (76 mm)
Width	4' (122 cm)
Length	8'
Edge Type	Scored Square Edge (SSE)
Material	Extruded Polystyrene (XPS)
Compressive Strength	250 (per product family indication)
Certifications/Standards	ASTM C578 Type IV; ASTM E119; UL Classification Certificate U-197; UL ER8811-01; Meets California Quality Standards; HUD UM 71A; SCS Global Services Certified; UL Greenguard Gold Certified; UL Classified; UL Environment Certified; Energy Star; LEED
Pieces per Bundle	4
Unit of Measure	SQ \| PC
Manufacturer Product Number	OCF250348SSENGX
Manufacturer Number	1130941

Frequently Asked Questions (FAQ):

Q: What are the panel dimensions?
A: 3 inches thick by 4 feet wide by 8 feet long.

Q: Is this suitable for below-grade use?
A: Yes, it is designed for both above- and below-grade applications including foundations and under-slab.

Q: What edge type does it have?
A: Scored Square Edge (SSE) for easier cutting and installation.

Q: Does it resist moisture?
A: Yes, the closed-cell XPS construction provides moisture resistance.

Q: What certifications/standards does it meet?
A: Listed standards include ASTM C578 Type IV, ASTM E119, UL classifications and ER8811-01, SCS, GREENGUARD Gold, Energy Star, and LEED.

A Bold, Modern Layer of Performance

This vivid pink board brings a polished, architectural confidence to the build, elevating envelopes with clean, crisp lines. Its scored square edge creates a refined, tailored fit while delivering steadfast thermal comfort. Pair it with sleek concrete and dark metal finishes for a chic, high-contrast foundation detail. It’s a quiet luxury essential—performance-forward insulation that underpins sophisticated spaces.

Upgrade your building envelope with FOAMULAR NGX 250 for durable, moisture-resistant insulation that installs cleanly and performs for the long haul.