HSTpatio doors

A modern construction product that enables making very large glazed surfaces. The leaves are installed on two independent guide rails and when the door is opened they are positioned behind one another.

The hoist and slide mechanism ensures stability and light operation of the system.

The door leaf can be up to 3.0 m wide and the passage can be as much as 2.9 m wide. This solution makes it possible to build glazed surfaces of surface area up to 13.8 m2.

Special handles and grips that enable easy sliding of the patio door leaf.

The door can be fitted with an electric drive that ensures high comfort of use.

Possibility to use burglary-proof fittings of the RC2 class.

Optional fittings equipped with the trickle ventilation function.


Our windows are a combination of excellent performance and pioneering energy efficiency solutions.


A window should be a decorative element and should determine the climate of the interior space. We focus on design, aesthetics, and precise production because the little details determine the overall effect.


Only a negligible percentage of our customers complain about the quality of our windows. Each element of our windows comes with a several years long warranty because we are confident of their high quality.


When you are not at home, you do not need to worry about your property and the security of your family. Our windows are amongst the most secure windows available in the market!