Owens Corning FOAMULAR 250 (25 PSI) R-15 XPS Foam Board Insulation, 3 in. x 4 ft. x 8 ft., Square Edge
FOAMULAR 250 R-15 XPS Foam Board, 3" x 4' x 8'
Rigid extruded polystyrene (XPS) foam board with 25 PSI compressive strength delivers R-15 thermal performance in a 3-inch panel. Durable, moisture-resistant board for foundations, sheathing, under-slab and cavity walls; easy to score, snap, and install.
Key Features:
- High R-Value: R-15 at 3 inches for strong thermal resistance
- Durable Strength: 25 PSI compressive strength handles jobsite loads
- Moisture Resistant: XPS core resists water absorption to retain R-value
- Easy to Work With: Lightweight panels score and snap cleanly; no special tools needed
- Versatile Use: Suitable for exterior/interior foundation walls, sheathing, under slab, and cavity walls
- *Special order item
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | XPS (Extruded Polystyrene) Rigid Foam Board |
| Compressive Strength | 25 PSI |
| R-Value | R-15 |
| Thickness | 3 in |
| Width | 48 in |
| Length | 96 in (8 ft) |
| Coverage Area | 32 sq ft per board |
| Edges | Square Edge; scored |
| Faced or Unfaced | Unfaced |
| Compatible Install Surface | Concrete, Plywood, Wood |
| Interior/Exterior | Interior/Exterior |
| Insulation Features | Formaldehyde Free, Moisture Retardant, Mold Resistant, Water Resistant |
| Number of Pieces | 1 |
| Pack Size | 1 |
| Warranty | Limited Lifetime |
Frequently Asked Questions (FAQ):
Q: Can this be used below grade or under a slab?
A: Yes—FOAMULAR 250 XPS is rated for below-grade applications including exterior foundation walls and under-slab use.
Q: Is the board faced or unfaced?
A: Unfaced XPS; a separate thermal barrier like drywall is required when left exposed indoors.
Q: What are the panel dimensions and coverage?
A: Each panel measures 3 in. thick x 48 in. wide x 96 in. long and covers 32 sq. ft.
Q: What tools are needed to cut it?
A: Score with a utility knife and snap; no special tools required.
Q: Is it mold or moisture resistant?
A: Yes—XPS resists moisture absorption and is mold resistant, helping maintain thermal performance.
Sculpted Thermal Armor for Modern Envelopes
This crisp, pink XPS panel brings a tailored precision to walls and foundations, creating a seamless thermal envelope that feels intentional and refined. The standout is its confident 3-inch profile—R-15 performance with a sleek, square edge that lines up beautifully. Pair it with clean-detailed cladding and polished concrete for a minimalist, high-performance shell. It’s an essential layer of quiet luxury, where form meets formidable function.
Upgrade your envelope with FOAMULAR 250 and lock in durable, R‑15 performance—add to cart and start insulating today.
FOAMULAR 250 R-15 XPS Foam Board, 3" x 4' x 8'
Rigid extruded polystyrene (XPS) foam board with 25 PSI compressive strength delivers R-15 thermal performance in a 3-inch panel. Durable, moisture-resistant board for foundations, sheathing, under-slab and cavity walls; easy to score, snap, and install.
Key Features:
- High R-Value: R-15 at 3 inches for strong thermal resistance
- Durable Strength: 25 PSI compressive strength handles jobsite loads
- Moisture Resistant: XPS core resists water absorption to retain R-value
- Easy to Work With: Lightweight panels score and snap cleanly; no special tools needed
- Versatile Use: Suitable for exterior/interior foundation walls, sheathing, under slab, and cavity walls
- *Special order item
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | XPS (Extruded Polystyrene) Rigid Foam Board |
| Compressive Strength | 25 PSI |
| R-Value | R-15 |
| Thickness | 3 in |
| Width | 48 in |
| Length | 96 in (8 ft) |
| Coverage Area | 32 sq ft per board |
| Edges | Square Edge; scored |
| Faced or Unfaced | Unfaced |
| Compatible Install Surface | Concrete, Plywood, Wood |
| Interior/Exterior | Interior/Exterior |
| Insulation Features | Formaldehyde Free, Moisture Retardant, Mold Resistant, Water Resistant |
| Number of Pieces | 1 |
| Pack Size | 1 |
| Warranty | Limited Lifetime |
Frequently Asked Questions (FAQ):
Q: Can this be used below grade or under a slab?
A: Yes—FOAMULAR 250 XPS is rated for below-grade applications including exterior foundation walls and under-slab use.
Q: Is the board faced or unfaced?
A: Unfaced XPS; a separate thermal barrier like drywall is required when left exposed indoors.
Q: What are the panel dimensions and coverage?
A: Each panel measures 3 in. thick x 48 in. wide x 96 in. long and covers 32 sq. ft.
Q: What tools are needed to cut it?
A: Score with a utility knife and snap; no special tools required.
Q: Is it mold or moisture resistant?
A: Yes—XPS resists moisture absorption and is mold resistant, helping maintain thermal performance.
Sculpted Thermal Armor for Modern Envelopes
This crisp, pink XPS panel brings a tailored precision to walls and foundations, creating a seamless thermal envelope that feels intentional and refined. The standout is its confident 3-inch profile—R-15 performance with a sleek, square edge that lines up beautifully. Pair it with clean-detailed cladding and polished concrete for a minimalist, high-performance shell. It’s an essential layer of quiet luxury, where form meets formidable function.
Upgrade your envelope with FOAMULAR 250 and lock in durable, R‑15 performance—add to cart and start insulating today.
Original: $129.88
-70%$129.88
$38.96Description
FOAMULAR 250 R-15 XPS Foam Board, 3" x 4' x 8'
Rigid extruded polystyrene (XPS) foam board with 25 PSI compressive strength delivers R-15 thermal performance in a 3-inch panel. Durable, moisture-resistant board for foundations, sheathing, under-slab and cavity walls; easy to score, snap, and install.
Key Features:
- High R-Value: R-15 at 3 inches for strong thermal resistance
- Durable Strength: 25 PSI compressive strength handles jobsite loads
- Moisture Resistant: XPS core resists water absorption to retain R-value
- Easy to Work With: Lightweight panels score and snap cleanly; no special tools needed
- Versatile Use: Suitable for exterior/interior foundation walls, sheathing, under slab, and cavity walls
- *Special order item
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | XPS (Extruded Polystyrene) Rigid Foam Board |
| Compressive Strength | 25 PSI |
| R-Value | R-15 |
| Thickness | 3 in |
| Width | 48 in |
| Length | 96 in (8 ft) |
| Coverage Area | 32 sq ft per board |
| Edges | Square Edge; scored |
| Faced or Unfaced | Unfaced |
| Compatible Install Surface | Concrete, Plywood, Wood |
| Interior/Exterior | Interior/Exterior |
| Insulation Features | Formaldehyde Free, Moisture Retardant, Mold Resistant, Water Resistant |
| Number of Pieces | 1 |
| Pack Size | 1 |
| Warranty | Limited Lifetime |
Frequently Asked Questions (FAQ):
Q: Can this be used below grade or under a slab?
A: Yes—FOAMULAR 250 XPS is rated for below-grade applications including exterior foundation walls and under-slab use.
Q: Is the board faced or unfaced?
A: Unfaced XPS; a separate thermal barrier like drywall is required when left exposed indoors.
Q: What are the panel dimensions and coverage?
A: Each panel measures 3 in. thick x 48 in. wide x 96 in. long and covers 32 sq. ft.
Q: What tools are needed to cut it?
A: Score with a utility knife and snap; no special tools required.
Q: Is it mold or moisture resistant?
A: Yes—XPS resists moisture absorption and is mold resistant, helping maintain thermal performance.
Sculpted Thermal Armor for Modern Envelopes
This crisp, pink XPS panel brings a tailored precision to walls and foundations, creating a seamless thermal envelope that feels intentional and refined. The standout is its confident 3-inch profile—R-15 performance with a sleek, square edge that lines up beautifully. Pair it with clean-detailed cladding and polished concrete for a minimalist, high-performance shell. It’s an essential layer of quiet luxury, where form meets formidable function.
Upgrade your envelope with FOAMULAR 250 and lock in durable, R‑15 performance—add to cart and start insulating today.
