La Porte Vista External Sliding Folding Doors. 54mm Oak Doors with 24mm Clear Toughened Low E Argon filled double glazed units. Supplied factory prefinished in a high quality finish - Light Oak Stain. Complete set with matching frame and all ironmongery included - multipoint locking system fitted and external Aluminium sill. 10 years manufacturing guarantee. Part L compliant. FSC certified.
Indicative U-Value 1.8W/m2K