1. Standard size: 2000 x 800 x 40 mm. (other dimension can be custom )
2. Material: Solid wood core +MDF surfacing+ 0.6mm veneer/nature wood skin 
3. Finish: 5 layer PU painting
4. Performance: Weather performance: air permeability, water tightness and wind resistance. Mechanical performance: including operating forces, resistance to loads torsion etc, and resistance to impact. Performance in use: cyclic operation (opening and closing), effect of temperature and humidity variation, basic security considerations.
5. Custom: custom design is available.
6.  Optional veneer