hup! windows & doors
We believe in offering you complete design freedom, choose your perfect windows and doors for your hup! home extension.
Combining outstanding value, quality and class-leading performance, Alitherm 400 delivers a range of stylish, energy-efficient window and door options.
These window and door systems provide excellent weather and thermal performance and are available in a huge range of colours. Combining elegant aesthetics and outstanding security performance.
Alitherm 400 window systems
Available in fixed, side hung, top hung, tilt & turn and flush casement options, Alitherm 400 windows deliver excellent thermal and weather performance, as well as the security assurance provided by PAS24 approval.
Window styles
Standard Casement
The choice for many hup! projects, Alitherm 400 standard casement windows are available as fixed and top-hung or side-hung options.
Flush Casement
Alitherm 400 flush casement windows use the same sash, transom and mullion profiles as standard casements and are made possible by selecting the flush window outer frame.
Heritage Flush Casement
The slim profiles and elegant lines of the Alitherm 400 system make it an ideal solution for modern, contemporary hup! extensions.
Tilt & Turn
Tilt & Turn units provide a contemporary design and the option of tilting the window or opening it into the room to 90 degrees. Perfect for flooding your hup! extension with light and air – and for easy cleaning!
Standard Casement
Flush Casement
Heritage Flush Casement
Tilt & Turn
Aluminium doors with maximum strength and security
Alitherm 400 doors perfectly complement the window range, with the same stylish lines. Available as open-in or open-out, single or double doors, each door provides excellent weather and thermal performance, as well as the security assurance provided by PAS 24:2022 approval.
The Visofold Series of slide-folding doors offer impressive opening apertures that bring together internal and external spaces to create unique living and social areas. Visofold doors not only allows in maximum light in any weather, but also easily glides open in warmer weather to completely open up your hup! extension.
Alitherm 400 Double Door Open In/Out
Visofold 1000 Slim
Visofold 6000
Visofold Heritage
The better way to build
hup! is a revolutionary, highly energy efficient way to extend your home creating beautiful, bright living spaces, with minimal disruption. Build any style of home extension or convert your old conservatory five times faster than traditional building methods.
