uPVC Bi-fold doors are a multi-panelled door design, that folds neatly away to allow 90% of the door aperture to become free. This means that you can enjoy unrivalled standards of accessibility and spaciousness.


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Key Features
Patented Weatherproof GasketsAll of our windows are fitted with Liniar’s patented bubble baskets. The gaskets are co-extruded to the frame as part of the manufacturing process, meaning a continuous seal all the way round, which does an amazing job of eliminating draughts and providing a strong resistance to water.
Liniar’s ultra slim sightlines designed into our Patio doors allows in maximum light, resulting in more attractive doors. Slim hinges with fixings inside not only maintain the sleek lines but also enhance security.
TruFlex’s Bi-Fold door system is available in a number of configurations from 2 panes to 4 panes.
The folding key brings a simple solution to an age old problem, folding back with the door and staying hidden, while being to hand.
The Liniar Bi-Fold is the original bespoke designed PVCu bi-folding door – and is still the best. Hand-Finished to perfection by our team at TruFlex you can be sure to have the best uPVC Bi-Fold door on the market.
TruFlex’s low threshold is just 24mm high and offers easy access for family living. Available with an optional double, or single ramp for Part M compliance.
Our Bi-Fold doors at TruFlex are capable of achieving a U-value as low as 1.3 with cost effective double glazing.