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Description
Owens Corning FOAMULAR 250 R-4 XPS Foam Board Insulation, 3/4 in. x 4 ft. x 8 ft., Tongue & Groove Edge (25 psi)FOAMULAR 250 R 4 XPS Tongue & Groove Foam Board, 3 4 in. x 4 ft. x 8 ft. Rigid XPS foam board insulation engineered for exterior sheathing and tough jobsite conditions. The FOAMULAR 250 delivers 25 psi compressive strength, moisture resistance, and easy score and snap installation with tongue & groove edges. Key Features: Durable XPS Board: 25 psi compressive strength for exterior sheathing and heavy duty use Energy Efficiency: R 4 thermal resistance
FOAMULAR 250 R-4 XPS Tongue & Groove Foam Board, 3/4 in. x 4 ft. x 8 ft.
Rigid XPS foam board insulation engineered for exterior sheathing and tough jobsite conditions. The FOAMULAR 250 delivers 25 psi compressive strength, moisture resistance, and easy score-and-snap installation with tongue & groove edges.
Key Features:
- Durable XPS Board: 25 psi compressive strength for exterior sheathing and heavy-duty use
- Energy Efficiency: R-4 thermal resistance in a 3/4 in. profile helps reduce heat loss
- Moisture Resistant: Retains R-value even after exposure to water; GREENGUARD certified for low emissions
- Easy to Work With: Lightweight, scores and snaps cleanly—no special tools needed
- Tongue & Groove Edge: Panels interlock for a tight fit and reduced air gaps
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | Foam Board Insulation (XPS) |
| Compressive Strength | 25 psi (FOAMULAR 250) |
| Insulation R-Value | R-4 |
| Thickness | 0.75 in (3/4 in.) |
| Width | 48 in (4 ft) |
| Length | 8 ft |
| Edge Profile | Tongue & Groove |
| Faced or Unfaced | Unfaced |
| Compatible Install Surface | Concrete, Wood |
| Interior/Exterior | Exterior |
| Coverage Area | 32 sq ft per board |
| Number of Pieces | 1 |
| Pack Size | 1 |
| Product Weight | 3.9 lb |
| Sheathing Type | XPS |
| Warranty | Limited Lifetime |
| Features | Formaldehyde Free; Moisture resistant; GREENGUARD Certified; Contains minimum 20% recycled content (SCS certified) |
Frequently Asked Questions (FAQ):
Q: Can this board be used on concrete or wood surfaces?
A: Yes—compatible with concrete and wood install surfaces.
Q: Is the insulation faced?
A: No, it is unfaced XPS foam board.
Q: What are the panel dimensions and coverage?
A: Each panel is 3/4 in. thick, 4 ft. wide, and 8 ft. long, covering 32 sq. ft.
Q: What is the R-value of this thickness?
A: R-4 for the 3/4 in. thickness.
Q: Does it carry a warranty?
A: Yes, Limited Lifetime warranty; see manufacturer details.
Sleek, Seamless Insulation with Serious Performance
FOAMULAR 250’s crisp pink panels create a clean, continuous thermal envelope that elevates any build from the bones up. The tongue-and-groove edge is a standout, locking boards together for a polished, gap-free plane. Use it behind siding or stucco to sharpen lines and boost comfort without bulk. It’s a quiet essential for luxurious, energy-savvy living.
Upgrade your envelope with FOAMULAR 250 R-4 XPS—order today for a tighter, more efficient build.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy