Frequently Asked Questions (FAQs)




How long should I stay in a shelter?

In the case of nuclear weapons the presence of radiations are from 0 to 30 days, after which the radiation levels are almost normal. As for chemical weapons the period of persistence can be stable from 1 to 20 days.




Do I need construction authorization to install an underground shelter?

No, in almost all cases. If you opt to install your underground shelter in reinforced concrete, this being considered a permanent structure, in this case you will need a construction authorization.




Can the underground shelter be installed under water levels?

Yes, the shelters are designed in a way so it can be installed under water. The pressure exerted by the weight of the soil found above the shelter is greater then the hydrostatic pressure exerted by water when it reaches the surface.




What kind of people bought these kind of shelters?

Up to 8 person shelters are regularly bought by individuals who want to offer safety for their family members, and greater then 8 person shelters are addressed to companies that want to protect their key employees in case of extreme events.




How can claustrophobic individuals live in a shelter?

The shelters are comfortable, spacious and well lit, the walls are curved to the exterior to diminish the feeling of claustrophobia. With the help of the installed communication and entertainment systems which is a standard feature, people in the shelter can remain in contact with the outside world and can be informed about the latest news.