70mm Flush Sash Window
The design of flush sash windows takes inspiration from traditional timber joinery, allowing the sash to sit flush in the frame. They are ideal for homeowners looking to bring a traditional charm to their home.
designed from scratch
The original, 70mm range of
stylish
Sleek and flush, with no tell-tale uPVC overlap, Liniar 70mm flush sash windows offer all the benefits of uPVC's thermal efficiency, combined with the beautiful appearance of timber.
thermally efficient
Many property owners require the look of a traditional timber window frame, sometimes due to planning or environmental restrictions. Liniar flush sash windows include Liniar's patented bubble gasket for the ultimate in weather performance, and can even be mechanically jointed for a truly authentic timber appearance.
A+ energy ratings and U-values as low as 1.2 W/m2k, for year-round comfort and reduced energy bills.
This product is available in more colours for bespoke orders. See the full colour range here.
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Liniar understands that every homeowner has unique requirements. That's why our 70mm Flush Sash Windows offer a wide range of customisation options.
With a variety of finishes available, including classic white, authentic woodgrain effects, and contemporary colours, you can tailor your windows to match your individual taste and complement your home's existing features. Experience a personalised window solution that truly reflects your style.
70mm Flush Sash Window FAQs
What are flush sash casement windows?
Flush sash casement windows combine traditional pre-1932 timber aesthetics with modern thermal benefits. Liniar Flush Sash windows offer an authentic timber look through mechanical joints, suitable for property owners needing traditional frames due to planning or environmental restrictions.
Do Liniar 70mm flush sash windows require much maintenance?
Flush sash windows are extremely low maintenance, only requiring a simple clean of the frames with a mild detergent to keep them looking brand new. As with any windows or doors, moving parts should be oiled annually to maintain smooth operation.
Why are Liniar's flush sash windows a good choice for period properties?
Liniar's flush sash windows are a good fit for period properties due to their authentic traditional appearance, energy efficiency, enhanced security features and suitability for conservation regulations. They maintain the historic charm while providing benefits like lower maintenance and improved thermal efficiency.
Can Liniar's flush sash windows be used in conservation areas?
Many property owners require a traditional timber window frame, sometimes due to planning or environmental restrictions. Timber frames tend to be expensive, need regular maintenance and can be difficult to replace. Liniar Flush Sash windows are available in a range of foiled options and can be mechanically jointed, for an authentic timber appearance.
What type of finish can Liniar's flush sash windows have?
Liniar offers flush sash casements with a variety of foiled finishes. Whether you prefer the timeless appeal of traditional woodgrain or the modern elegance of contemporary grey, you'll find a diverse selection of colours to suit your project perfectly.
Find a Liniar supplier for 70mm flush sash windows - simply enter your postcode to search for suppliers either nearest to you or nationwide.
Product information
- Beautifully sleek flush external finish, with flat faces easier to clean
- Capable of achieving either a contemporary or a traditional appearance
- Good for conservation areas, where a timber-style facade is needed
- Thermally efficient, helping to keep energy bills and carbon footprint low
- Safe and secure - PAS24 & Secured By Design accredited, compliant with Part Q
- A choice of foiled colours in flat or woodgrained effects
- Can be used instead of traditional casements in bay and bow windows
- Patented bubble gasket seal helps deliver unparalleled weather performance
- Available with sculptured (curved) styling and a choice of customisation
- Compatible with energy efficient double glazing, with U-values as low as 1.2
Secured By Design
PAS24 Security
BS EN 6375
BS EN 12608