Smart building for safer future.
A NEW DIMENSION OF LIVING AND SHELTER SECURITY
UnderPearl, a fully customizable zero energy hybrid building that seamlessly combines high-tech security with the convenience of everyday living.
We've designed it to set new standards in personal protection and for the best living conditions in peacetime and any extreme emergencies.
Space station autonomy
Explosion and radiation proof
Natural disaster proof
Certified production
Discrete installation
Modular expand possible
MUCH MORE THAN EXTRA SPACE
UnderPearl (NBC) private bunker offers you the confidence of always being prepared and gives you the assurance that you, your family and valuables are well protected in the event of a serious crisis.
... for everyday use ...
... regardless of danger ...
... always safe ...
... fully customized ...
... fully adaptable ...
... fully yours ...
... for everyday use ...
... regardless of danger ...
... always safe ...
... fully customized ...
... with standard interior ...
WHAT MAKES UNDERPEARL SMART CHOICE
UnderPearl shelters are designed for complete self-sufficiency, ensuring a secure and habitable environment even in prolonged isolation. With advanced life-support systems and uninterrupted power solutions, you remain fully protected and independent.
Full Autonomy (Sustained Air Quality & Pressure Control)
- CO₂ & CO Removal Device – Continuously eliminates carbon dioxide and carbon monoxide for safe air circulation.
- Automatic O₂ Supply Device – Ensures a stable oxygen supply when external air sources are compromised.
- Overpressure Maintenance Device – Maintains controlled internal pressure, preventing contaminated air from entering.
UPS & Battery Backup (Reliable Emergency Power Supply)
- Automatic Emergency Power Switch – Seamlessly shifts to backup power in case of an outage.
- Solar Panel Connection Option – Allows integration with solar energy for extended off-grid autonomy.
With UnderPearl’s autonomous systems and reliable backup power, your shelter remains fully operational, safe, and self-sustaining in any situation.
Proper ventilation is essential for maintaining a safe and comfortable environment inside your UnderPearl shelter. Our ventilation systems are designed to provide continuous fresh air circulation, contaminant filtration, and climate control, ensuring maximum protection in any situation.
Basic Ventilation System (Reliable Air Filtration & Manual Backup)
- High-Quality Filtration – Equipped with HEPA and RBK filters for removing airborne contaminants, dust, and harmful particles.
- Dual Operation Modes – Electric drive for automated air circulation and manual drive for emergency operation.
- Trusted Brands – Systems implemented are only from high quality manufacturers known for their reliability in high-security environments.
Advanced Ventilation System (Enhanced Climate Control & Efficiency)
- Heat Recuperation – Efficiently recycles heat, optimizing temperature balance.
- Air Conditioning – Integrated heating and cooling for year-round comfort.
- Dehumidification – Prevents moisture buildup, reducing the risk of mold and interior damage.
- Sand Filter – Additional air purification for extreme environmental conditions.
- Extra Dehumidifier – Further ensures a dry and breathable atmosphere.
Whether you choose basic or advanced ventilation, UnderPearl shelters provide uncompromised air quality, protection from external threats, and a controlled climate for long-term habitation.
Internal Sensors (Cell Sensors) (Real-Time Monitoring for a Safe Interior)
Inside the shelter, advanced sensors continuously measure key air quality parameters to maintain a healthy and habitable environment:
- Temperature (T) & Humidity (RH) – Ensures climate stability and prevents condensation.
- Oxygen (O₂) & Carbon Dioxide (CO₂) – Monitors air composition to prevent suffocation risks.
- Carbon Monoxide (CO) – Detects toxic gases that could be life-threatening.
- Particulate Matter (PM) – Tracks fine dust and pollutants for clean air control.
- Volatile Organic Compounds (VOC) – Identifies hazardous airborne chemicals.
- Explosive & Flammable Gas (EX) – Prevents fire and explosion risks.
- Overpressure Sensor (DP) – Ensures proper internal pressure regulation for a sealed and secure environment.
Every UnderPearl shelter is designed for ultimate safety, comfort, and long-term self-sufficiency. From secure construction to essential interior amenities, each detail is carefully selected to ensure a luxurious yet resilient living environment.
Secure Entrance & Access
- Elevator & Staircase – Multiple access options for convenience and security.
Reinforced Construction
- Blast-Resistant Cell – Engineered to withstand extreme external pressures.
- Entrance Barrier – Extra security to prevent unauthorized access.
- Emergency Exit – A secure secondary escape route for added safety.
Advanced Shelter Protection
- Blast-Resistant Doors – Protect against high-impact threats.
- Gas-Tight & Fireproof Seals – Ensure complete isolation from hazardous environments.
- Radiation & Flood Resistance – Maximum protection in extreme conditions.
- Hermetic Doors & Shut-Off Valves – Maintain internal air quality and containment.
- Blast Valves – Prevent pressure waves from compromising the shelter.
Fully Equipped Interior
- Functional Kitchen – Prepare meals with ease in a secure environment.
- Sanitary Facilities – Includes a toilet, shower, and wastewater management.
- Sleeping Quarters – Comfortable beds for long-term habitation.
- Water Supply & Filtration – Freshwater tanks, hot water access, and UV water disinfection for purity.
- Wastewater System – Integrated sewage tank with pump for efficient disposal.
UnderPearl shelters are built not just to protect, but to offer a self-sustaining, comfortable lifestyle in any scenario.
UnderPearl shelters offer a range of additional equipment to further enhance comfort, sustainability, and emergency readiness. These features ensure a superior living experience even in extended stays.
Comfort & Well-Being
- Daylight Simulation – Mimics natural light cycles for improved well-being.
- LED Wall – Customizable display for ambiance, entertainment, or visual simulations.
Food & Survival Essentials
- Long-Lasting Food & Reserves – Stockpiles of high-quality, long-shelf-life provisions.
- Dry Toilets – Eco-friendly sanitation solutions for water conservation.
Communication & Safety
- VHF Radio – Reliable long-range communication in emergency situations.
- Medical Supplies – A well-equipped first-aid kit for health emergencies.
- Safety Equipment & Fire Extinguisher – Critical protection against unforeseen risks.
With UnderPearl’s extra equipment options, you can customize your shelter for maximum resilience, comfort, and self-sufficiency in any scenario.
UNDERPEARL MODELS THAT FIT YOUR PERSONAL NEEDS

COMMANDER - 25,5 m2

OVERLORD - 31,5 m2

DOMINATOR - 37,5 m2

MODULAR - custom m2
HERE IS HOW YOU CAN GET YOUR OWN UNDERPEARL
01
PROJECT ANALYSIS
Understanding your unique needs and your environment is the first step toward your personalized or standard UnderPearl. Our experts conduct a thorough site analysis, assess safety requirements, and collaborate closely with you to identify the optimal specifications for your shelter.
02
DESIGNING A SOLUTION
Combining cutting-edge technology with luxurious design, we craft a solution tailored to your preferences and lifestyle. Every detail is optimized for both elegance and functionality. Our design team transforms your vision into a concrete plan.
03
FABRICATION AND ASSEMBLY
Using only the highest-quality materials and advanced engineering, we fabricate and assemble your shelter with maximum precision. Our production process ensures durability, reliability, and a flawless finish for your ultimate sanctuary.
04
IMPLEMENTATION AND FOLLOW-UP ACTIVITIES
Once your shelter is completed, our team handles the installation process with care and expertise. After implementation, we provide ongoing support, ensuring your UnderPearl remains a secure and luxurious retreat for years to come.
NEWS & EVENTS
UnderPearl Models In Many Dimensions To Fit Your Needs
March 14, 2025
In a World of Uncertainty UnderPearl Ensures Your Safety
February 28, 2025