Shelters and Security

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Valhalla Construction LLC offers custom design-build homes and structures, secure homes, panic and safe rooms, and above and below ground hardened shelters and SIP (shelter-in-place) security solutions designed to meet your needs in the event of an emergency, man-made or natural, and based on your level of risk assessment and perceived needs and requirements.

Designs are based on your budget, risk assessments, and requirements. From simple one room designs, to lavish luxury. Check out this Cold War Era Bunker, complete with swimming pool and “outdoor” BBQ.

We take these projects seriously, guarantee privacy and confidentiality, and will work with you to design your personal shelter and security solution custom tailored to your needs and requests.

Homes and structures are designed with you and your family’s safety and needs in mind and built according to the level of security you require. Secure Home takes the panic room concept to the whole house level, designing and creating a home with all the aesthetic appeal of a luxury custom home with the hardened features necessary to keep you safe, complete with underground shelters and secondary escape and egress designs.

Hardened and Fortified Shelters and SIP Security Solutions – “nuclear bunkers”

Complete design and engineering for any perceived risk level from basic level panic rooms as a retreat in the event of a home invasion or break in, to complex long term “end of the world” SIP systems designed to sustain life for years.

Construction and Engineering of shelters and security solutions include:

  • Site consultation
  • Professionally Designed
  • Complete Construction Management and Site Security
  • Confidentiality and NDA agreements and contracts
  • Compartmentalized and segregated construction phases
  • Zoned early warning and detection systems
  • Area denial systems
  • Remote control and access systems
  • Perimeter security systems
  • Audio and visual surveillance systems
  • Automatically contact local law enforcement and first responder services
  • Access denial systems
  • Biometrics and optical security access
  • Blast and vault doors
  • Hardened structures capable of resisting small arms fire such as AK-47 and common assault rifles and weapons (up to .50BMG) most likely to be employed by a non-military kinetic attack force
  • Bullet resistant doors and windows
  • Emergency ballistic shutters
  • Structures capable of withstanding F5 tornado wind forces and kinetic impacts
  • Earthquake engineering
  • Fireproof structures
  • Fire suppression and air evacuation systems
  • Underground structures
  • Backup power and communication systems
  • NBC air filtration systems
  • NBC detection and monitoring systems
  • EMP/HEMP engineering and mitigation
  • Integral Faraday Technology
  • Volcanic ash filtration systems
  • Air supply and filtration systems
  • Water supply and/or storage solutions
  • Sanitation and waste management
  • Radon gas mitigation
  • HVAC and Comfort systems
  • Hardened and blast resistant engineering
  • Basement conversions and additions
  • Above ground hardened structures
  • Emergency escape and egress
  • Long term survivability planning and stocking
  • Entertainment and “creature comforts”
  • Weapons vaults and storage



Panic Room.

A panic room is a simplified safety retreat built within the home or office to serve as a means to escape a temporary threat. Panic rooms are also known as priest holes, bolt holes, or safe rooms. These fortified rooms can be very simple – just enough to ride out a severe storm or seek protection until the cops arrive – or elaborate setups designed to be lived in for days or weeks at a time.

Most homes can be retrofitted with at least a basic panic room designed to provide shelter in the event of an emergency. Existing bedrooms can be retrofitted and fortified into safe rooms where family members can quickly take shelter in an emergency.

Or maybe you are a corporate executive who is worried about personal safety. Panic rooms can be designed for the office environment offering a safe refuge and fully equipped with video and audio monitoring, communication systems, environmental control, advanced security systems, independent life support systems, and more. Designed according to the level of protection you require.


Building Envelope and Construction Methods

Shelters and Security Solutions for risk mitigation and survivability employ construction methods such as reinforced cast in place concrete, integral Faraday technology to resist EMP/HEMP attacks, blast overpressure engineering up to nuclear blast resistant design and engineering, air, ventilation, and water filtration systems, and proprietary building envelope design and technology.


Professionally Designed.

Why is this important? If you are building an underground shelter, there are many critical factors to consider in the construction process.

The weight of the earth. You don’t want your shelter to collapse on you. This also includes seismic forces created by earthquakes, volcanic eruptions, and nuclear detonations. If you do not want your shelter to become your tomb, then it is important that it is properly engineered and constructed to withstand seismic and hydrological forces.

Water. The level of the water table in your location is important to the design, longevity, and survivability of your shelter. If it floods or leaks, that would prove disastrous for your stored goods and the livability of the shelter. Mold, mildew, and other bacteria and fungus that thrive on moisture and are detrimental to human health are part of the risk matrix when dealing with underground shelters. The hydraulic force of water is incredible, enough to actually lift concrete parking structures out of the ground. Properly engineering for water and hydraulic pressure is very important.

Radon. Radon is a radioactive gas that is naturally emitted from the earth. You don’t want to breathe it or be exposed to it for a long period of time. Proper ventilation systems are necessary.

Escape and Egress. If your primary access point is compromised or destroyed, you need to have another way out or your shelter will become your tomb. ‘Nuff said.

Ventilation. This is an extremely critical component and one often overlooked by DIYs looking to build their own underground shelter. We all need oxygen to survive. More than that, you need clean fresh air to survive and remain healthy. Properly designed ventilation and filtration systems are critical to any hardened structure to keep the air clean, fresh, and breathable, especially in the case of a NBC event.

Sustainable. If you plan to remain locked up in your hardened shelter for any length of time, even if just a few hours, it needs a sustainable design. Water supply, food, sanitation, heating and cooling, ventilation, and electricity are all critical to a sustainable and survivable infrastructure system.

Camouflage. When designing an above or below ground shelter or bunker, there are certain features that you do not want to advertise to the public. Hardened window and door shutters for example. Air filtration and intake and exhaust pipes, especially if they lead to a below ground bunker. Backup power systems and video and audio security systems. Etc. If these things are visible to an attacking force, they can be easily targeted and sabotaged and you will be compromised. Or worse.

Hidden Access and Egress points. You may not want anyone to know where your bunker or shelter access and exit points are. In fact, it’s probably best that no one outside your circle of trust know about it. There are any number of creative, subtle, and unusual ways to conceal access and exit points to your shelter and security systems. Secondary and emergency access locations away from your primary access point are important to conceal from curious exploring kids as well as any potential threat.

Long Term Solutions. If your risk matrix includes long term survival preparations, it is important that your hardened shelter and security solution be designed to reflect that. There are many factors to consider when developing a long term shelter-in-place plan. Air, food, water, and sanitation are the primary factors. But also creature comforts such as entertainment and atmosphere. How will you deal with living in a confined space with others for an extended period of time? Other factors are fuel and communication. You will need a solution for fuel for backup power systems, cooking, and other necessities. Communication with the outside world so you will know when it is safe to come out or know what is happening around you.


Wine Cellars.

Wine Cellars are the perfect camouflage for an underground shelter or bunker. Easily providing multiple hidden access points through the creative design of cabinetry, stone veneers, and wall racks. Beyond providing access to a hidden bunker, wine cellars can create an atmosphere of warmth and luxury to entertain guests or show off your collection.


Gun and Weapon Vaults.

Essential to any survival plan is a self-defense plan. Namely, weapons. This is not an area of preparation that you can afford to ignore; it is a certainty that any attacking force will have weapons, and if you do not, then you will be at a great disadvantage and helpless should the attacking force gain entry.

Gun vaults and weapons lockers can be as simple as a traditional steel safe, or an elaborate room with vault doors and temperature, humidity, and fire suppression controls. Guns and weapons are tools. They are made of metal and wood and subject to damage from moisture and temperature, especially if left sitting in storage for long periods of time. Any collection of arms will represent a fairly substantial financial investment and it should be protected.

Vaults can be built to be fireproof, blast resistant, and incorporate high tech security systems such as biometric access, video surveillance, and remote monitoring.


Basement Conversions.

Basements are ready made shelters and already a part of your house. With a little modification, a basement can be converted into a hardened shelter or bunker capable of providing protection against the most common threats likely to occur such as home invasions or severe storm threats.

Basements can also be completely finished into a fully functional extension of the home to accommodate any desired activity. Ideas include Man/Lady Caves, entertainment or game rooms, spare bedrooms, office rooms, cocktail bar and lounge, and more.


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