The Linframe is an FCS (full closer system). This provides a complete insulated closer for an aperture which closes the bottom of the shutter's guides, allowing a weather seal finish. Rigid UPVC elbows set an opening size to the exact dimensions required. 

PropertiesProperties ‘u’ values from 0.15 – 0.25(Refer to ‘u’ Values Table - pages 22 – 23) Available in 6 sizes from a 35mm channel to 160mm cavity. Build in at construction stage Minimum thermal resistance to Part L1 & L2 Conforms to building regulations Suitable for any sill options