Authentic Timber Look with Modern uPVC Performance. Classic design. Contemporary technology. Built to perform.
The REHAU Rio Flush Sash Door system brings together the timeless appeal of traditional timber joinery with the outstanding performance and low maintenance of modern uPVC engineering. Designed to replicate the clean, flush lines of period doors, the Rio Flush Sash range offers exceptional energy efficiency, acoustic performance, and security — perfect for both heritage homes and modern properties.
With their realistic timber appearance, advanced insulation, and exceptional durability, REHAU Rio Flush Sash Doors provide the perfect combination of beauty and performance. They’re the smart, sustainable choice for homeowners and developers seeking the ultimate in flush-fit design and uPVC innovation.
Designed for Style and Substance. The REHAU Rio Flush Sash Door system is ideal for both new builds and refurbishment projects, offering the authentic charm of timber with modern efficiency. Whether used as entrance doors, French doors, or side/rear doors, they deliver a refined, high-end aesthetic and long-term performance.
All available single colour or white inside
It is impossible to give a typical cost for Aluminium sliding doors due to the difference in size, colour, design and installation type. We are happy to visit, measure and provide a free no obligation quotation.
A simple wipe down is all it takes to keep the windows looking great for years to come.
Yes. Our doors come with Planitherm Total Low E glass, warm edge spacer bar technology and argon gas filled as standard meaning our clients get a highly energy efficient product. We can also offer a triple glazed option if and where required.
Again this can be size dependant but usually sliding doors are fitted and finished within one working day.
As with all products supplied and installed by 1st Glass Windows ltd we offer our fully comprehensive 10 year insurance backed Guarantee covering labour and materials.
At 1st Glass Windows we pride ourselves on our Aftersales support and industry leading guarantee. With this in mind we serve our local community to ensure our Service Department can maintain our high standards. The areas we cover are mainly Surrey, Kent and Sussex and include Biggin Hill, Caterham, Coulsdon, Croydon, Forestdale, Godstone, Horley, Kenley, Lingfield, Oxted, Purley, Riddlesdown, Sanderstead, Selsdon, Smallfield, Tatsfield, Warlingham, Westerham, Whyteleafe.
