OSB BOARD 18mm 2500X1250
The photographs are for illustrative purposes only.
| Package dimensions | 250,00 x 125,00 x 1,80 cm |
| Net weight | 33,920 kg |
OSB/3 Structural Panel — 18 mm, 2500 × 1250 mm
Three-layer OSB/3 panel with longitudinal outer faces and a cross-oriented core, offering dimensional stability and high mechanical efficiency for interior and exterior construction and decorative applications.
Key Benefits
- Exceptional dimensional stability and stiffness from cross-oriented layers
- High load-bearing capacity with strong bending, compression and tensile properties
- Excellent fastener holding, including near panel edges
- Low swelling value and partial resistance to wetting
- Suitable for diffusion-open and diffusion-closed construction systems
- Good thermal insulation and sound dampening compared with similar materials
Environmentally friendly wood-based panel for indoor and outdoor use
Applications
Suitable for structural and decorative use where strength, stability and moisture tolerance are required; check features and application suitability before purchase.
- Load-bearing subfloors and decking
- Interior decorative panels and cladding
- Construction systems that are diffusion-open or diffusion-closed
- Environments with occasional wetting or higher humidity
Timber-frame wall and roof sheathing
What to Consider When Choosing
- Whether OSB/3’s moisture resistance and wetting tolerance meet site conditions
- Need for high fastener retention near panel edges for your application
- Compatibility with diffusion-open or diffusion-closed construction systems
- Desired thermal and acoustic performance compared with alternative materials
Required standards and certifications for your project (see specifications)
Specifications
- Standards: EN 13501-1: class D-s1, d0; EN 13986:2004+A1:2015
- Formaldehyde class: E1 (EN 120)
- Panel dimensions: 2500 × 1250 mm (package: 250.00 × 125.00 × 1.80 cm)
- Thickness: 18 mm
- Total weight (package): 33.92 kg
Type: OSB/3 (EN 300)
Why Buy from SityPro
- Competitive price and transparent information to compare benefits
- Reliable delivery across Estonia and Finland
- Secure packaging and verified standards for construction use
- Customer support to advise on application and selection
Easy online ordering with clear product features and documentation
Description provided by sitypro.com
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Frequently asked questions about the OSB board
What is OSB BOARD 18mm 2500X1250?
OSB BOARD 18mm 2500X1250 is an OSB/3 panel made of three cross-oriented wood strands delivering high rigidity and dimensional stability; suitable for interior and exterior use, compliant with EN 300 and EN 13986 standards, and has formaldehyde class E1.
Is this OSB board suitable for exterior use and facades?
OSB BOARD 18mm 2500X1250 is OSB/3 rated, so it can be used in wetter conditions and for facades if protected with appropriate surface treatment or cladding; for long-term exterior use apply waterproofing and ensure adequate ventilation.
Can I use OSB BOARD 18mm 2500X1250 for subfloor and screed base?
Yes, the 18 mm OSB BOARD 18mm 2500X1250 provides sufficient rigidity for subfloor use and as a base beneath screeds or finish flooring, provided you follow proper fixing patterns and leave movement gaps.
What standards and environmental classes does this OSB board meet?
OSB BOARD 18mm 2500X1250 complies with EN 300 (type OSB 3) and EN 13986:2004+A1:2015, has fire classification EN 13501-1: D-s1, d0 and formaldehyde class E1 (EN 120).
Is this board suitable for wall studs and roof structures?
OSB BOARD 18mm 2500X1250 (OSB/3) is suitable for stud walls and roof elements due to its high bending strength and rigidity; for roofing applications protect from direct exposure to weather.
What are the board dimensions and thickness, and how many sheets fit in 1 m³?
Board size is 2500×1250 mm with 18 mm thickness. One sheet volume = 2.5×1.25×0.018 = 0.05625 m³; divide 1 m³ by this value to get the number of sheets per cubic metre.
Can this OSB board be used for interior decorative cladding?
Yes, OSB BOARD 18mm 2500X1250 has a uniform surface suitable for interior decorative cladding; it can be primed and painted or left with visible wood strand texture.
How to correctly fix OSB BOARD 18mm 2500X1250 – screw spacing and fixings?
Fix OSB BOARD 18mm 2500X1250 with galvanized screws or nails; use 150–200 mm spacing along edges and 200–300 mm in field, and leave 2–3 mm gaps between sheets for movement.
What is the fire performance of this board and can it be used where fire safety is critical?
OSB BOARD 18mm 2500X1250 has fire classification EN 13501-1: D-s1, d0, indicating limited combustibility and low smoke production; for locations with stricter fire-safety requirements apply additional fire protection or consult building regulations.
Can OSB BOARD 18mm 2500X1250 be cut and routed at home?
Yes, OSB BOARD 18mm 2500X1250 can be cut with a circular or jigsaw and routed; use fine-tooth blades for clean cuts and ensure dust extraction and respiratory protection.
How does OSB/3 differ from other OSB types and why is this board OSB/3?
OSB/3 is engineered for higher-humidity conditions and has greater mechanical strength than OSB/2; OSB BOARD 18mm 2500X1250 is OSB/3 to provide enhanced rigidity for structural and framing applications.
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