Windows
Liniar 70mm Flush Sash Windows
Inspired by traditional pre-1932 timber joinery, Liniar's 70mm Flush Sash lets the sash sit perfectly flush within the frame — the authentic look of timber with all the thermal, security and low-maintenance benefits of modern uPVC.
Timeless aesthetic, contemporary advantages
Sleek and flush, with no tell-tale uPVC overlap, Liniar 70mm flush sash windows recreate the appearance of traditional timber casements — ideal for conservation areas, period properties and modern developments alike.
- Sash sits flush in the frame — authentic pre-1932 timber styling
- Liniar's patented bubble gasket for outstanding weather performance
- Multi-chambered 70mm profile with EnergyPlus outer frame option
- A+ energy rating available
- Whole-window U-values as low as 1.1 W/m²K
- 28mm double glazed insulated glass units
- Acoustic rating up to 35 (-1;-4) dB
- Available with welded or mechanically jointed corners for a true timber look
- 100% lead-free, fully recyclable British-made uPVC
Lowest whole-window U-value
Highest energy rating
With EnergyPlus outer frame
Recent flush sash installations
A selection of Liniar 70mm flush sash windows we've supplied and which have been fitted by trusted installers from our trusted fitting network.
Bring the flush sash look to your home
Supplied by Window Centre Plus Ltd and fitted by a trusted installer from our trusted fitting network across Middlesbrough and the Tees Valley.
Request a quote