
Available Options
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Customize Your 4-Pane Aluminium Bi-Fold Door! Aluminium Anthracite Bi-Fold Door | Customize A 4-Pane Version
Profile: 4 opening sashes inside the A-rated aluminium profile.
Dimensions: Four panes Bi-fold. Min Height 2020mm Max Height 2400mm, Min Width 2350mm Max width 4000mm
Glass: Standard 28mm Toughened glass 1.4 u value or upgrade to 44mm Triple glaze with an amazing u-value of 1.0 - 75% better than a standard Bi-fold.
Opening Direction: Looking at the door outside the house, do you want it hinged on the left or the right? The two-pane can also be supplied as a French door.
Internal or external folding: Select if you'd like your door to fold internally or externally
Hardware: You can choose Matt black, Satin Silver or Brushed Graphite.
Frame Colour: You can choose from Pure White, Heritage Cream, Jet Black or Anthracite grey at no extra cost.
Sash Options: Pencil Round, Decorative, Square or Chamfered.
Threshold: This door comes with a standard threshold, you can upgrade to Low Aluminium Threshold in the options above. Cill options are available.
Triple Glazing Option - For The Ultimate Thermal Performance
Our aluminium bi-folds are robustly designed to take the weight of triple-glazed units as standard; choose this option for the ultimate thermal performance - at least 75% better than standard double-glazed aluminium folding sliding doors. Opting for 44mm triple glazing rather than standard 28mm double glazing reduces the whole door's U-Value rating from 1.4 to 1.0. Triple glazing is ideal for WarmCore doors installed in exposed locations.











