The Volat family shelter is designed to meet your family's safety needs in case of emergencies - missile attacks, drone threats, destruction of building structures, etc. Designed for 5 people, this shelter is built of two sections, which allows for efficient use of the internal space.
The shelter is made of reinforced concrete and additionally covered with a special polymer material, which increases its explosion resistance. It is usually placed near the house, providing easy access if necessary.
Inside the shelter is equipped with benches for seating, which ensure comfort during your stay. The built-in Wi-Fi router allows you to stay connected even in difficult times, and the recuperator provides fresh air and optimal ventilation. The shelter doors are reinforced and hermetic, withstand up to 440 kPa of pressure, which guarantees reliable protection.
"Volat" is reliable protection and comfort for your family in any situation.
Complete set
- Doors are reinforced, hermetic (440 kPa)
- Bench seats
- Fire extinguisher, universal first aid kit
- Electrical networks
- Forced ventilation
- Documents and certificate of conformity
- Wi-Fi router
- Recuperator
- Polymer coating that increases explosion resistance
Dimensions
- Size: 2660 x 2000 x 2660 mm
- Wall thickness: 300 mm
- Internal size: 2000 x 1400 mm
- Internal area: 2.8 sq. m. m.
- Weight: about 18 tons.

About the Volat shelter
Volat fortifications are multi-section multipurpose shelters for civil and military purposes. They are designed by highly qualified specialists and have passed field and physical tests at the State Research Institute of Building Structures in Kyiv. It can withstand excessive air shock wave pressure of almost 850 kPa. The walls are made of a patented iron fiber concrete formula.
The shelter elements are made of a unique concrete composition that meets all the requirements and standards of DSTU B (V.2.6-2:2009), DSTU-N B (A.3.1-34:2016), DSTU B (V.2.6-168:2011) and DSTU 9195:2022 "Quickly constructed modular civil defense protective structures" and DBN V.2.2-5:2023 "Civil defense protective structures".
They have reinforced reinforcement with reinforcement with a diameter of up to 18 mm, reinforcing meshes that are located with an offset so that the intersection of one mesh is opposite the openings of the other mesh; the internal composition of concrete of appropriate strength; metal fiber filler.
The Volat shelter is quickly erected, consisting of separate blocks - prefabricated elements, connected by welds with the possibility of disconnection (unwelding or cutting) of welded joints for repeated subsequent connection/disconnection. It can be installed on the ground surface, partially or completely buried. Assembly time from 6 to 10 hours.
Technical information
Structurally, the Volat mobile reinforced concrete shelter consists of a set of standard products (sections). The final number of standard sections in the module may vary. Diaphragms with door openings are installed along the length of the module. Blank diaphragms are installed at the ends of the module. The shelter structure can be made in different versions: 2, 3 sections, blank walls, with loopholes, with a coating that increases explosion resistance, etc. The shelter sections are connected to each other by welding using embedded parts.
The fortification structure - the designer "Volat" has a protection class A-I/A-II/A-III. With a wall thickness of 300 mm, it perceives an excessive air shock wave pressure of 849.94 kPa, corresponds to class A-I and classes A-II, A-III and A-IV without additional reinforcement elements, and in case of collapse has a degree of attenuation of radiation impact Kz from 1000 to 5000, provides protection from fragmentation elements of warheads (shells, missiles, etc.) and the impact of other elements that are captured by the shock wave without destruction or tipping.
The spatial rigidity of the structure is ensured by the formwork dimensions of typical sections and their joint operation, as well as the stiffness diaphragms available along the length.
Materials. All load-bearing reinforced concrete elements of the frame are made of concrete of class C35/45 wall. When reinforcing all reinforced concrete elements of the frame, longitudinal working reinforcement is of class A500C, transverse reinforcement is of class A500C. The embedded parts are made of metal of grade C245. Reinforcement selection is made taking into account crack resistance.
Other types of use of the Volat designer's fortification structure: military fortifications, dual-purpose defensive structures, civil defense defensive structures, civil defense defensive structures for commercial enterprises, protection of critical infrastructure facilities.
The shelter meets the requirements and standards of DSTU. Under the conditions of construction based on the project, it can meet the requirements of DBN. Our shelters are easily combined with each other, creating a space for protection from 1 to 30+ people. They are made in different versions: from 2 to 10+ sections; with blind walls; with windows.
Calculation using numerical modeling
According to the technical report, based on the results of numerical modeling of calculated hazardous factors, the adopted cross-sections of the load-bearing elements of the structure in the drawings of the KZV brand of stage P are sufficient to perceive the acting loads.
All loads that were taken into account in the calculation scheme are summarized in the table for convenience and are given below. The calculation was performed using the Structure CAD (SCAD) software package, for which the calculation scheme was drawn up.

Snow and wind loads were not taken into account due to their insignificance compared to the value of the load from the action of the air shock wave.
The scheme took into account the soil resistance under the foundation slab, assuming its value С1 = 100 t/m3.
Consequence class СС1, determined in accordance with DBN V.1.2-14:2018 "General principles for ensuring the reliability and structural safety of buildings and structures." Category "A" is adopted for loads (for the main load-bearing elements).
Designed characteristics of the weapon:

Additional information
- The price includes the cost of assembling the shelter at the factory. If it is impossible to unload the assembled shelter at the facility, the shelter is assembled at the delivery site and is calculated separately.
- Delivery is calculated separately.
- 50-year warranty on reinforced concrete structures.
- Prices are inclusive of VAT.
Our goal is to save the lives of the population and protect critical infrastructure facilities. Speed and ease of erection and dismantling of mobile shelters. Long-term or temporary reliable shelter of civilians from bullets, shrapnel, parts of destroyed building structures and blast wave during shelling of public places. Partial or full autonomous life support system of the shelter.

* visualizations and dimensions in this image are approximate and do not reflect the actual final product. Please contact us for full information.
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BUNKER-OK is a Ukrainian engineering brand providing modern shelters and civil defense solutions for the private sector, business, and civil and strategic infrastructure.
We design and manufacture protective structures, systematically improving them based on practical operational experience, analysis of shelling consequences, and the actual behavior of structures during combat strikes.
Drawing on the experience of over 400 installed shelters, the BUNKER-OK team has reached an unequivocal conclusion: not every structure that looks like a shelter is capable of providing the proper level of protection.
We have studied actual destruction and structural weaknesses of low-quality installations, and we responsibly state: effective protection is determined not by the volume of concrete, but by structural integrity and a well-engineered reinforcing cage that stops shrapnel, localizes impact damage, and saves lives.
That is why the BUNKER-OK team is the first in Ukraine to establish CPS (Civil Protection Standard) — a next-generation quality standard.
CPS was created based on physical loads, engineering expertise, and field testing against modern combat threats, including:
- 120 mm OF-843 mortar shell
- 125 mm OF A-IX-2 tank shell
- HE-Frag warhead of the Shahed-136 strike UAV (47.8 kg)
In today's reality, the legally established testing standard of 2 kg of explosives (TNT) is increasingly becoming just a basic regulatory threshold. It rarely corresponds to the scale of modern threats, cannot be considered a comprehensive indicator of protection, and is not a convincing basis for evaluating a shelter's reliability.
The CPS quality standard by BUNKER-OK significantly exceeds current state requirements and sets a new safety benchmark for the market.
We are convinced: the CPS quality standard must become the fundamental basis of choice for every buyer and a new benchmark of quality for every shelter manufacturer.
BUNKER-OK is not just a manufacturer.
We are a company shaping a new culture of protection in Ukraine and worldwide.
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- 100% original product
- Warranty is up to 50 years