FINNFOAM XPS FL300 50X585X2485
FL300 FINNFOAM XPS — 50 mm insulation board with usable 585×2485 mm
Extruded polystyrene (XPS) insulation panel with a closed-cell structure that is waterproof and strong; suitable for frost protection and thermal insulation of subfloors, walls and ceilings. Check price and buy from SityPro for your project needs.
Key Benefits
- High mechanical strength—suitable where rigidity matters
- Consistent thermal insulation performance
- Designed for frost protection applications
- Half-groove edge for tight panel joins
- Pressed polystyrene material for durability
Waterproof, due to fully uniform closed-cell structure
Applications
Typical application areas where this XPS board performs well.
- Insulation of subfloors and underlayer installations
- Wall insulation (internal or external layered systems)
- Ceiling insulation and attic surfaces
- Additional insulation of various construction objects
Frost protection layers under structures
What to Consider When Choosing
- Verify thickness matches project needs: 50 mm
- Check edge type—this product has a half-groove for joining
- Ensure application suitability (frost protection, floors, walls, ceilings)
- Compare features and price before you buy
Confirm usable dimensions: 585 mm (width) × 2485 mm (length)
Specifications
- Grade: FL300
- Thickness: 50 mm
- Material: Pressed polystyrene
- Color: Light yellow
- Edge: Half-groove (poolsulundiga)
- Nominal width: 600 mm (±5 mm)
- Nominal length: 2500 mm (±10 mm)
- Useful width: 585 mm
- Useful length: 2485 mm
Type: XPS (extruded polystyrene)
Why Buy from SityPro
- Product information highlighting features and benefits
- Delivery available to Estonia and Finland
- Convenient ordering and reliable packaging for construction panels
- SityPro customer support for product selection and application advice
Easy online buy process with clear price information
Description provided by sitypro.com












