Our HS Portal 250 non-threshold sliding balcony doors are ideal for people who want to bring the garden into their home and want to bring as much light as possible in their houses.
With the unique fitting system of the HS Portal system, we are able to supply and install sliding balcony doors up to a width of up to 18 meters and up to a height of 2.7 meters. Despite such large dimensions, the opening leaf opens and closes with great ease.
The specially designed “warm” aluminium profile which forms the threshold of the sliding door makes it possible to embed the bottom of the sliding door level with the floor level inside your home. With only 19mm level difference between inside and outside is almost seamless.