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Terrace doors: sliding and portal (HS, PSK) Terrace doors: sliding and portal (HS, PSK)

Terrace doors: sliding and portal (HS, PSK)

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Terrace doors — compare companies' prices

On OKNA.ua you compare terrace and balcony doors from verified window companies across Ukraine: sliding (portal), French and tilt-and-turn, in PVC and aluminium. Choose a company in the catalog on this page — by price, rating and lead time — and leave it a request. Manufacturing of the doors to your dimensions, measuring, delivery, installation and warranty are all carried out by the company you choose. Not sure which opening type you need — add the opening dimensions or a photo to the request, and the company will suggest the best option.

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Types of terrace doors by opening method

Terrace doors differ in how they open — that affects convenience, the space in front of the door and the price. Companies calculate the exact cost individually for your opening; below is what to look at.

  • Sliding portal (lift-and-slide, HS) — a large sash glides sideways along the frame; takes no space in the room and gives a wide opening onto the terrace. Ideal for a panoramic exit.
  • Tilt-and-slide (PSK) — the sash moves slightly forward and then slides sideways; a more compact system for smaller openings and balconies.
  • French (no central post) — two sashes that open wide with no mullion between them; a fully open passage, handy for carrying out furniture or a laid table.
  • Tilt-and-turn — classic balcony doors: they swing open sideways and tilt for ventilation; the most affordable option.
  • Bi-fold ("concertina", FS) — the sashes fold into a stack; clears almost the whole opening when you want a fully open exit.

Balcony doors are essentially a tall PVC window built on the same principles; terrace portal systems are larger and warmer, designed for a permanent way out.

Profile and glass unit

  • Profile — PVC (metal-plastic) or aluminium; terrace doors use a reinforced profile with a greater installation depth, because the sash is heavy.
  • Glass unit — for a heated home, a double-chamber or energy-saving unit (with i-glass, Low-E, argon); for safety at ground level, with tempered glass or triplex.

In Ukraine PVC doors are manufactured to ДСТУ EN 14351-1:2020 ("Windows and doors — Part 1: Windows and external pedestrian doorsets"), in force from 01.02.2021 in place of the former ДСТУ Б В.2.6-15:2011 — it also covers balcony and external doors and sets their heat-transfer coefficient (Uw, W/(m²·K)).

Why people look for terrace doors on OKNA.ua

  • Compare offers from many companies. OKNA.ua gathers offers from window companies across Ukraine — you compare opening types, profiles, prices and lead times and choose the best option.
  • A catalog of companies in one place. Compare by price, rating and lead time and choose who to leave a request with — instead of calling each one separately.
  • Verified manufacturers and sellers. The platform lists companies that make doors to your dimensions for a specific opening, with no "one-size-fits-all" solutions.
  • Measuring and installation from the chosen company. Measuring, delivery and fitting are done by the company you choose; the heavy sliding sash is installed using a method that preserves the geometry and smooth travel.
  • Transparent prices and warranty. You see "from" prices from different companies and choose by cost and lead time; the warranty on the doors and the installation is provided by the chosen company.

How to order terrace doors

  1. Choose a company in the catalog on this page — by price, rating and lead time.
  2. Leave it a request (opening dimensions + desired opening type, profile, glass unit) — a representative will get in touch, take measurements if needed and quote an exact price.
  3. The chosen company manufactures the doors to your dimensions, delivers and installs them.

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Terrace doors in your city

Sliding and portal doors (HS / PSK)

Sliding (portal) doors are systems where the sash does not swing into the room but slides sideways along the frame. They give a wide glazed passage and do not "eat up" the space in front of the exit, so they are fitted to terraces, panoramic exits, loggias and winter gardens. The two most common systems are the HS portal and PSK; which suits your opening better is advised by the company you choose from your request.

HS portal (lift-and-slide)

In an HS portal the sash first lifts slightly on the hardware and then rolls easily to the side — hence the name "lift-and-slide". The system is designed for a large, heavy sash, so it gives the widest passage and full floor-to-ceiling glazing. The HS portal is the optimal choice for a panoramic exit onto a terrace, where you need large sizes and minimal frame in the field of view.

PSK (tilt-and-slide / parallel-slide)

In a PSK system the sash moves slightly forward from the frame and slides parallel to the side. It is a more compact solution than HS: it suits smaller openings, balconies and loggias where there is no room for a heavy portal. PSK keeps a convenient sliding passage but is designed for smaller sash sizes and weight.

Warm and cold versions

Sliding systems come in warm and cold versions. The warm version uses an insulated profile (PVC or "warm" aluminium with a thermal break) and an energy-saving glass unit; it is fitted to heated terraces, kitchen-diners and winter gardens where retaining heat matters. The cold version uses a lightweight aluminium profile without a thermal break; it is an option for non-winter glazing of a balcony or terrace, where the point is protection from wind, rain and dust rather than thermal insulation.

Where they are used

  • Panoramic exit and terrace — an HS portal for a large opening and full glazing.
  • Balcony and loggia — PSK as a more compact sliding system for smaller sizes.
  • Winter garden and kitchen-diner — a warm version with an energy-saving glass unit.
  • Non-winter glazing — a cold aluminium sliding profile for protection from the weather.

Sliding and portal doors are heavier than ordinary ones, so the company you choose calculates their cost and installation individually for the opening size and the type of system. Compare companies' offers in the OKNA.ua catalog and leave a request.

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Questions and answers

How much do terrace doors cost?

There is no single price: the cost depends on the opening type (sliding portal, French, tilt-and-turn), the profile, the glass unit, the hardware and the size of the opening. That is why companies calculate the price individually for your doors. Choose a company in the catalog on OKNA.ua and leave it a request — you will get an exact calculation for your way out onto the terrace.

Which doors should I choose for a terrace — sliding or French?

Sliding portal doors (HS, PSK) glide sideways and take no space in the room — ideal for a wide, panoramic exit. French doors open wide with no central post, giving a fully open passage — handy for carrying out furniture or a laid table. For a small exit and to save money, classic tilt-and-turn doors will do. The chosen company will help match the type to your opening based on your request.

How do terrace doors differ from balcony doors?

The principle is the same, but terrace doors are usually larger and designed for a permanent way out, so they use a reinforced profile and often a sliding (portal) system. Balcony doors are essentially a tall PVC window, more often tilt-and-turn. Both types are made for your opening; which is better in your case, the chosen company will advise.

What glass unit goes into terrace doors?

For a heated home — a double-chamber or energy-saving glass unit (with i-glass, Low-E and an argon fill), so you do not lose heat through the large glazed area. At ground level, tempered glass or triplex is often chosen for safety. The chosen company will advise the specific formula for your conditions.

Do you take measurements?

OKNA.ua is a platform: measurements are taken by the company you choose from your request. Its technician will come out, take exact opening dimensions and advise on the opening type, profile and glass unit for your way out onto the terrace. For a preliminary estimate you can give approximate dimensions, and the company will quote the exact price after measuring.

Do you install terrace doors?

Installation is carried out by the company you choose, and OKNA.ua connects you with it: fitting is ordered together with manufacturing — the crew removes the old unit, installs the new doors to spec and adjusts the hardware. The heavy sliding sash is fitted so as to keep the smooth travel; the warranty on the doors and the installation is provided by the chosen company.

To what standards are terrace doors made in Ukraine?

PVC terrace and balcony doors are made to ДСТУ EN 14351-1:2020 ("Windows and doors — Part 1: Windows and external pedestrian doorsets"), in force from 01.02.2021 in place of the former ДСТУ Б В.2.6-15:2011; it also covers external doors and sets their heat-transfer coefficient (Uw). Verified companies in the OKNA.ua catalog work with profiles and glass units that meet these requirements.

What is an HS portal / portal doors?

An HS portal (lift-and-slide) is a sliding system in which a large sash first lifts slightly on the hardware and then rolls sideways along the frame. Portal doors give the widest passage and full floor-to-ceiling glazing without taking space in the room, so they are fitted to a panoramic exit and a terrace. The size, glass unit and cost for your opening are calculated by the company you choose on OKNA.ua.

How does PSK differ from HS?

In a PSK (tilt-and-slide) the sash moves slightly forward and slides parallel to the side — a more compact system for smaller openings, balconies and loggias. The HS portal (lift-and-slide) is designed for a large, heavy sash and a wide panoramic passage. Put simply: HS is for a large exit onto a terrace, PSK for more compact glazing. Which suits your opening better, the chosen company will advise.

How much do sliding (portal) doors cost?

There is no single price: the cost of sliding and portal doors depends on the system (HS or PSK), the size and weight of the sash, the profile (PVC or aluminium), the glass unit, the hardware and the warm or cold version. Portal systems are heavier and harder to install, so the price is calculated individually for the opening. Choose a company in the OKNA.ua catalog and leave a request — you will get an exact calculation after measuring.

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