Modern FS portals of the accordion type from Window Continent

Blog > Portal systems > Pros and cons of accordion doors

31.10.2018

FS-portal sliding doors are an effective design solution that allows you to open and close an opening of up to 6.5 m. Such structures fold like an accordion, so they do not take up much space in the room.

Often such structures are installed in private houses, as well as apartments with loggias, where moving the doors allows not only to provide fresh air into the room, but also a good panoramic view. When closed, the folding sliding FS portal provides tightness and a good level of thermal insulation.

Technical characteristics of FS portal (accordion)

The FS-portal accordion door is a special system in which the movement of structural elements is achieved through the coordinated operation of special rollers mounted on bearings made of durable polymer, as well as a pin mechanism. The sashes are connected to each other by hinges.

If necessary, up to 7 leaves can be included in 1 mechanism. The number of elements is selected taking into account the existing opening. The most commonly used system is 3 or 4 sashes. However, if necessary, another longer portal circuit can be installed.

In some cases, FS portal plus is manufactured, in which, in addition to the maximum number of sashes retracted by rollers to one side of the opening, 1 more system is attached to the other side of the opening.

Sliding windows and doors FS portal are made from:

• PVC;
• wood;
• glass;
• AI profile;
• aluminum

The most popular sliding systems are made of wood and aluminum. Plastic doors are used mainly in public places. The weight of the sash depends on the material from which it is made. It can reach 80 kg. Wooden portals are the heaviest.

The height of the sashes can vary from 600 to 2800 mm. Their width ranges from 450 to 900 mm. In most cases, the FS portal system is equipped with a special Rehau profile, which is suitable for almost all portal configurations, incl. products from VEKA.

There are several threshold options. In most installation cases, the bottom rail is installed flush with the floor. A recessed threshold often has a negative effect on thermal conductivity. Even the brush seal present in such models of thresholds does not completely solve the problem. In this case, it is often recommended to install a heated threshold or a heated floor system to compensate for this disadvantage.

There is also a Siegenia FS portal system. This option is a frame. This option has lower heat loss rates, but is considered less convenient to use. Lifting and parallel systems differ in their ability to withstand a particular load. The load can vary from 200 to 400 kg. Auxiliary fittings make it possible to ensure the functioning of sliding and tilting opening systems.

Modern FS portals of the accordion type from Window Continent

August 13, 2019

presents to your attention modern FS portals, which are produced on the basis of the Softline profile system of the OKONTI BRAVO series. This is an innovative engineering solution that is intended for aesthetic and multifunctional glazing of gazebos, terraces and verandas. Based on the use of a bottom guide, FS portals guarantee the ability to easily move the system's sashes using movable trolleys, without the application of excessive physical effort. We would like to immediately draw your attention to the fact that FS portals are not an energy-saving, but an aesthetic solution that cannot be used for thermal insulation of residential premises due to the lack of a thermal protection class. However, despite the lack of complete tightness when closing plastic sashes, FS portals will still give you good protection from the penetration of drafts, dust and precipitation into the territory of the glazed room.

Where can FS portals from ? As we have already said, their main area of ​​application is installation in suburban conditions. Portals will decorate terrace areas well, with the ability to quickly transform closed terraces into open ones, and vice versa. This is one of the most effective methods of not only visually, but also actually expanding the space of verandas and gazebos, with the possibility of full unity with nature in good weather conditions. You can protect your garage area using the FS portal, allowing you to spend time servicing your car in the open air, if necessary protecting your stored tools from sudden rain or blowing wind.

Of course, suburban outbuildings are far from the only place where FS portals can be useful. Designs that are distinguished by the highest degree of versatility can serve as zoning elements for an office, studio or apartment space, with the ability to quickly expand the area if necessary. You can decorate the entrance to a balcony or loggia with accordion doors, but only on the condition that we are talking about a glazed and well-insulated area. This spectacular move will allow you to expand the living space of the room or create two separate zones (living and viewing), if there is a corresponding need. Also, FS portals have found their application in public places, for example, in cafes and restaurants, where it is necessary to separate individual recreation areas, but leave the possibility of combining them into a single space.

What are the main advantages of using modern FS portals? The first advantage is quite obvious. For the average customer, especially the customer who owns suburban real estate, it will be tempting to have the opportunity to transform an open space into a closed one with just a flick of the wrist. The doors of the structure fold into an “accordion” within a few seconds, without causing difficulties in the closing or opening procedure for either an adult or a child. The maximum frame width is 4 meters, which, with a maximum height of 2.4 meters, allows the FS portal to cover a fairly large open area.

Another advantage is the possibility of using a large number of variations of FS portal schemes, based not only on the number of sashes, but also on their location, with the potential arrangement of a separate sashes that are not included in the folding ones. A separate leaf will act as a door that opens in the usual swing manner, without the need to fold the entire structure along the bottom rail. When closed, you will use this sash as if the rest of the glazing was a fixed type. But if necessary, you can always quickly fold the entire structure into an accordion. As for the FS portal schemes, each of them has a three-digit designation. For example, the portal of scheme 532 is made up of five doors, three of which open in the left direction, and two in the right direction. If the last digit is 1, this means that the circuit provides a separate leaf. If the last digit is 0, then all doors open in one direction.

FS portals are not only functional, but also beautiful. Since we are talking about the use of Softline plastic profiles, the system will look aesthetically pleasing and elegant even without additional intervention. But you always have the option of painting or laminating the profile from the outside, with an additional choice of color for the base of the profile in one of three color variations. For example, by laminating the FS portal in a wood-like manner, you can achieve a complete fusion of the aesthetics of the portal with the aesthetics of the erected gazebo, without a visually noticeable transition from one style to another. An additional influence on the aesthetics of FS portals is the use of Absolut S fittings, which will look beautiful on the sashes regardless of their color or texture.

What additional advantages do FS portals from Window Continent have? You probably already guessed that portals can save living space due to the peculiarities of using a folding mechanism. You don’t have to open massive doors, taking up useful space in the room. A structure pushed to the side will be invisible from both a visual and practical point of view. Caring for FS portals is also unlikely to cause you any difficulties, especially if you already have experience caring for plastic windows. The care procedures in this case are absolutely similar. Despite the lack of complete tightness, FS portals have good burglary-resistant characteristics, ensured by the use of strikers and built-in pins. Finally, if the FS portal is installed correctly, it will serve you no less than plastic windows or doors offered as part of the modern range.

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Advantages of accordion entrance doors

Portal folding doors have become very popular as they have many advantages.

Such structures are characterized by high stability and protection of glass from damage due to the presence of stiffening ribs.

In addition, FS portal doors, when installed correctly, provide maximum silent sliding of the doors. The advantages of such a system include the possibility of installing a remote control, which provides greater ease of use of the design.

Thanks to a large selection of fittings, it is possible to move the accordion as much as possible across the width of the opening.

In addition, due to the anti-corrosion coating of all metal elements, such structures have a long service life.

Most schemes allow you to open one or more doors in ventilation mode when the portal is closed.

Among other things, such systems are characterized by a high degree of sound insulation. In most cases, structures are characterized by high resistance to precipitation. This design solution has good anti-burglary properties.

Limitations of use compared to other systems

The Fs portal can be designed as an entrance door or a window/balcony system, as well as an interior partition.

The type of opening and the number of flaps fs accordion design varies, but the number of structural elements should not exceed 7 pieces, and the weight of each flap is limited to 80 kg, while, for example, lift-and-slide systems can withstand loads of up to 200 - 400 kg per flap, and in parallel - sliding versions PSK – up to 200 kg.

Thanks to the variability of fs opening types, the window portal plus can be installed in any opening, but the largest opening width is 6.3 - 6.5 m. For comparison: hs portal is designed for glazing the widest openings.

Areas of use for accordion glass doors:

• separate heated loggia in the apartment,
• extensions (verandas, gazebos, greenhouses) in country houses, cottages,
• shop windows,
• recreation areas in restaurants and cafes,
• meeting rooms and offices.

Reliable manufacturer of FS portals - Moscow. Look at their website for prices for turnkey accordion glazing.

The use of fs portal plus in small apartments with small balconies is not entirely justified.

The limitations of using an fs portal accordion compared to PSK and HSK portals are due to the fact that this configuration requires particularly careful operation, because folding doors can become loose over time, especially if they are not fixed when used in ventilation mode in windy weather. With a large number of sashes, the risk of blowing increases, which reduces thermal insulation, which means that in severe winter conditions it is better to use other portal systems (more airtight).

A high threshold (aluminum-free version) is not suitable for installing an accordion in places with a large flow of people, because it is difficult to step over it.

Customer Reviews

Oleg, 42 years old, Sochi I purchased a plot of land by the sea to build a house and immediately decided that in order not to spoil the panorama, I needed to install FS portal doors on the terrace. After the completion of the main construction and the start of finishing work, the BEKA structure was installed. The design and profile of the portal are reliable. The system has been in service for more than 3 years. I have 5 sashes installed. They are not blown out even in the coldest months. Portals do not have a negative impact on the indoor microclimate. Comfortable temperature is maintained for a long time even when the heating is turned off.

Svetlana, 35 years old, Krasnodar My husband and I decided to make major renovations in our house. We installed accordion portal doors, creating additional access to the back patio. We are happy with the system. The children are especially happy because they now run from the garden to the house without any obstacles. Our portal doors are small and include only 3 segments. I did not find any negative aspects of using the system.