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Balcony and Terrace Door

Largest Balcony and Terrace Door Structures

HST sliding doors are the largest structures for balcony and terrace doors. We use a special profile system with frame depth of 197 mm and 85 mm leaf depth, insulated aluminium reinforcement, as well as a glass-reinforced plastic threshold with very good thermal performance.

Lifetime Window Fittings Guarantee

With these materials, the heat transfer coefficient can be up to Uw= 0.79 W/m2*K. At the same time, our doors are characterised by very high rigidity so that a design with up to 3-metre wide leaf is possible.

Another advantage of these products is the lifetime guarantee for the window fittings.


Lifetime Window Fittings Guarantee
Fast delivery Skandynawskie Okna
Engineered-windows Skandynawskie Okna
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