Owens Corning FOAMULAR 250 (25 psi) R-12.5 XPS Foam Board Insulation, 2-1/2 in. x 4 ft. x 8 ft., Scored Square Edge
FOAMULAR 250 R-12.5 XPS Foam Board, 2-1/2 in. x 4 ft. x 8 ft.
Rigid extruded polystyrene (XPS) insulation board delivering 25 psi compressive strength and R-12.5 thermal performance at 2-1/2 in. thickness. Scored square edges snap cleanly for fast sizing; ideal for exterior sheathing, foundations, and under slab applications.
Key Features:
- High R-Value per Inch: R-12.5 at 2-1/2 in. thickness for strong thermal resistance
- Durable Strength: 25 psi compressive strength stands up to jobsite and backfill loads
- Moisture Resistant: XPS resists water absorption to help maintain R-value
- Easy to Size: Factory-scored square edge breaks into 24 in. or 16 in. widths for quick installs
- Versatile Applications: Use on walls, exterior sheathing, and under slab areas
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | Extruded Polystyrene (XPS) Rigid Foam Board |
| Compressive Strength | 25 psi |
| R-Value | R-12.5 (at 2-1/2 in. thickness) |
| Thickness | 2-1/2 in. |
| Width | 4 ft |
| Length | 8 ft |
| Edge Profile | Scored Square Edge |
| Faced or Unfaced | Unfaced |
| Number of Pieces | 1 |
| Coverage Area | 32 sq. ft. per board |
| Moisture Resistance | Low water absorption; retains R-value |
| Applications | Exterior sheathing, cavity walls, foundation/exterior wall, under slab, attics/garages |
| Certifications | GREENGUARD certified (low chemical emissions) per referenced materials |
| Warranty | Lifetime Limited (see manufacturer for details) |
Frequently Asked Questions (FAQ):
Q: What are the board dimensions and R-value?
A: Each board measures 2-1/2 in. thick by 4 ft. wide by 8 ft. long and provides R-12.5.
Q: Can I cut the board to fit studs?
A: Yes. The scored square edges allow snapping into 24-in. or 16-in.-wide pieces; it can also be easily scored and cut with a utility knife.
Q: Where can this insulation be used?
A: Suitable for exterior sheathing, cavity walls, foundation/exterior wall, and under slab applications.
Q: Is it faced or unfaced?
A: Unfaced XPS rigid foam.
Q: Does it resist moisture?
A: Yes, XPS has low water absorption to help retain thermal performance.
Sculpted Pink Performance for Modern Envelopes
This FOAMULAR panel is a crisp, architectural layer that streamlines the building envelope with a chic pink edge. Its scored profile is the standout—snap it into elegant, perfectly proportioned modules for bays and panels. Pair it with clean plywood sheathing and matte black cladding for a tailored, high-performance facade. It’s the quiet luxury of comfort—discreet, durable, and decidedly refined.
Upgrade your envelope with FOAMULAR 250 today for faster installs, lasting R‑value, and dependable moisture resistance.
Original: $65.60
-70%$65.60
$19.68Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
FOAMULAR 250 R-12.5 XPS Foam Board, 2-1/2 in. x 4 ft. x 8 ft.
Rigid extruded polystyrene (XPS) insulation board delivering 25 psi compressive strength and R-12.5 thermal performance at 2-1/2 in. thickness. Scored square edges snap cleanly for fast sizing; ideal for exterior sheathing, foundations, and under slab applications.
Key Features:
- High R-Value per Inch: R-12.5 at 2-1/2 in. thickness for strong thermal resistance
- Durable Strength: 25 psi compressive strength stands up to jobsite and backfill loads
- Moisture Resistant: XPS resists water absorption to help maintain R-value
- Easy to Size: Factory-scored square edge breaks into 24 in. or 16 in. widths for quick installs
- Versatile Applications: Use on walls, exterior sheathing, and under slab areas
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | Extruded Polystyrene (XPS) Rigid Foam Board |
| Compressive Strength | 25 psi |
| R-Value | R-12.5 (at 2-1/2 in. thickness) |
| Thickness | 2-1/2 in. |
| Width | 4 ft |
| Length | 8 ft |
| Edge Profile | Scored Square Edge |
| Faced or Unfaced | Unfaced |
| Number of Pieces | 1 |
| Coverage Area | 32 sq. ft. per board |
| Moisture Resistance | Low water absorption; retains R-value |
| Applications | Exterior sheathing, cavity walls, foundation/exterior wall, under slab, attics/garages |
| Certifications | GREENGUARD certified (low chemical emissions) per referenced materials |
| Warranty | Lifetime Limited (see manufacturer for details) |
Frequently Asked Questions (FAQ):
Q: What are the board dimensions and R-value?
A: Each board measures 2-1/2 in. thick by 4 ft. wide by 8 ft. long and provides R-12.5.
Q: Can I cut the board to fit studs?
A: Yes. The scored square edges allow snapping into 24-in. or 16-in.-wide pieces; it can also be easily scored and cut with a utility knife.
Q: Where can this insulation be used?
A: Suitable for exterior sheathing, cavity walls, foundation/exterior wall, and under slab applications.
Q: Is it faced or unfaced?
A: Unfaced XPS rigid foam.
Q: Does it resist moisture?
A: Yes, XPS has low water absorption to help retain thermal performance.
Sculpted Pink Performance for Modern Envelopes
This FOAMULAR panel is a crisp, architectural layer that streamlines the building envelope with a chic pink edge. Its scored profile is the standout—snap it into elegant, perfectly proportioned modules for bays and panels. Pair it with clean plywood sheathing and matte black cladding for a tailored, high-performance facade. It’s the quiet luxury of comfort—discreet, durable, and decidedly refined.
Upgrade your envelope with FOAMULAR 250 today for faster installs, lasting R‑value, and dependable moisture resistance.
