Civil defence

Civil defence shelters

Survival shelters, bomb shelters and fallout protection for households and industry. Shelters are also widely used in industrial settings against technological accidents and severe weather events common across the United States.

civil defence shelter survival shelters bomb shelters fallout shelter air-raid shelter blast shelter underground shelter emergency refuge
Articles

Understanding protective shelters

A growing library of evidence-based articles on shelter types, construction and the air systems that keep occupants safe.

What is a civil defence shelter?
Fundamentals

What is a civil defence shelter?

How protective shelters guard against blast, fallout and airborne contaminants — and who needs one.

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Bomb shelters vs. fallout shelters
Comparison

Bomb shelters vs. fallout shelters

The structural and air-filtration differences between blast protection and radiation protection.

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Industrial refuge & emergency shelters
Industry

Industrial refuge & emergency shelters

Why facilities build refuge shelters for technological accidents and severe-weather events common in the US.

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Air filtration inside a shelter
Air quality

Air filtration inside a shelter

How sealed shelters keep the internal atmosphere breathable when the outside air is not.

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