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Sheerline’s New Trailblazing Prestige Aluminium Bi-Fold

Sheerline has launched a new range of bi-fold doors, which extends its popular range of Prestige aluminium windows and doors. 
The new Prestige bi-fold combines style, security, innovation and sustainability in a ground-breaking range of bi-fold doors. 
Future proofed against the proposed tightening of Part L of the Building Regulations, the bi-fold achieves extremely low U-Values – 1.4 W/m²K double glazed and 1.0 W/m²K tripled glazed. It features multi-chambered Thermlock technology, which ensures greater thermal performance compared to other aluminium bi-folds that use polyamide thermal breaks. 
With four different threshold options, including one with an integrated cill, all featuring fully weather-sealed rebates, it offers up to seven pane configurations. With both inward and outward opening options, the bifold has a maximum height of 2.6m and a maximum width of 6.5m. 
Bespoke hardware, based on proven ‘tried and tested’ designs is supplied by VBH, with a custom-made Winkhaus ‘Thunderbolt’ lock. Brisant-Secure’s Ultion 1* Plus 2* lock and handle combination is also available, offering 3 star protection, as well as a unique folding Ultion key, that protects frames from damage. 
A one-piece stainless-steel track with integral drainage allows for controlled, reliable rolling, and tri-material Garnalex gaskets with low friction coatings ensure smooth operation. 
The ancillaries used on the bi-fold doors are the same as the standard Prestige window and door system, allowing for simplified stock holding. Fabricators also save time and money using the same milling cutter as the rest of the range. 
Clip in beads are used on the bi-fold allowing for quicker, easier installation. The integral cill and ramped low threshold options also feature unique, one-piece end caps which act as frame jointers, saving time, and incorporating concealed drainage. Outer frames can also be supplied to installers as a flat pack, to make onsite assembly easy.
Roger Hartshorn, CEO, says: “We listened to our fabricator partners and then we designed a bi-fold to exceed their expectations and wow installers and homeowners. And because we make every major part here in Britain, our carbon footprint is reduced and because we supply our standard range of colours from stock, and bespoke colours are made on site, the bi-fold is available in our standard range of 12 stocked colours within five working days, with bespoke colours in just 10 working days. That’s also pretty remarkable for aluminium.”
Call Sheerline on 01332 883960, email This email address is being protected from spambots. You need JavaScript enabled to view it. or visit Follow @SheerlineSystem and @GarnalexSystems for the latest news and updates.






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