OSB DETAIL 18X400X1250

18 mm OSB construction panel (400 × 1250 mm)

OSB/3 three‑layer panel designed for structural and decorative use indoors and outdoors; offers high stiffness and dimensional stability for timber‑frame and industrial wood constructions. Check SityPro for buy options and price, plus full features and application guidance.

Key Benefits

Exceptional dimensional stability and stiffness due to three cross‑oriented layers
• High load‑bearing capacity with excellent bending, compression and tensile strength
• Good fastener retention, including near panel edges
• Low swelling value and surface partially resistant to wetting — suitable for moist conditions
• Can be used in diffusion‑open and diffusion‑closed construction systems
• Better thermal insulation and sound damping compared with similar building materials
• Environmentally friendly wood‑based product

Applications

Versatile panel for structural sheathing, subfloors and decorative use where strength and stability are required.

Timber‑frame wall and roof sheathing
• Subfloor and floor decking
• Industrial wood structures and formwork
• Interior decorative cladding and furniture elements
• Use in both diffusion‑open and diffusion‑closed assemblies

What to Consider When Choosing

Required thickness and dimensions — this product corresponds to 18 mm and 400×1250 mm
1. Choose OSB/3 when exposure to humidity or structural loading is expected
2. Verify compliance with listed standards and formaldehyde class for your application
3. Decide if the panel surface and edge fastening meet your decorative or structural needs
4. Consider whether the panel will be used in diffusion‑open or diffusion‑closed systems

Specifications

Type: OSB/3 — three layers with outer layers longitudinal and core layer transverse
• Size/thickness (from product name): 18 × 400 × 1250 mm
• Standards: EN 300 (type OSB 3); EN 13501‑1: class D‑s1, d0; EN 13986:2004+A1:2015
• Formaldehyde class: E1 (EN 120)
• Suitable for interior and exterior use; surface partially resistant to wetting
• Can be used in diffusion‑open and diffusion‑closed construction systems
• Good thermal and sound insulation properties
• Total weight: 5.42 kg; package measurements: 125.00 × 40.00 × 1.80 cm

Why Buy from SityPro

Easy online buy process with clear price and product features displayed
• Detailed application and specification information to help select the right panel
• Convenient delivery options to Estonia and Finland
• SityPro customer support for product selection and technical questions
• Reliable ordering and secure payment for building materials

Description provided by sitypro.com