Mobile Base (No Concrete)

10x50 Tornado Shelter – Mobile Base (No Concrete)

The CSB5010 is an above-ground steel tornado shelter (10' x 50') for up to 164 persons Maximum Occupancy (97 at design occupancy), on its own steel Mobile Base — no concrete to pour, and it relocates with your project. It has two storm-rated doors and 500 sq ft of protected floor area. Designed to FEMA P-361 and ICC 500 criteria for EF-5 tornadoes (250 mph winds).

Maximum Occupancy
Up to 164 persons
Footprint
10' x 50' · 500 sq ft
Storm-rated doors
2
Wind rating
EF-5 · 250 mph

Also available as a Concrete Slab Install (CS5010).

CSB5010 specifications

ModelCSB5010
Footprint10' x 50'
Protected floor area500 sq ft
Maximum OccupancyUp to 164 persons (3 sq ft / person)
Design occupancy97 persons (5 sq ft / person)
Storm-rated doors2
Install typeMobile Base (No Concrete)
Wind ratingEF-5 tornado, 250 mph
StandardsDesigned to FEMA P-361 and ICC 500 criteria
ConstructionSolid-welded steel

Mobile Base (No Concrete)

  • Sits on its own steel base — no concrete to pour.
  • Relocates with your project: job sites, turnarounds, seasonal and temporary workforces.
  • Faster site prep and flexible rental terms.

Inside every shelter

  • Interior bench seating and LED lighting
  • Natural ventilation with shielded vents
  • Two storm-rated access doors

Designed to FEMA P-361 and ICC 500 criteria for EF-5 tornadoes (250 mph winds).

Full engineering details, 3D model and anchoring specs: CSB5010 on US Tornado Shelter.

Compare mobile base (no concrete) sizes

ModelFootprintMaximum OccupancyDesign occupancyDoorsInstall type
CSB10088' x 10'Up to 26 persons16 persons1Mobile Base (No Concrete)
CSB101010' x 10'Up to 33 persons20 persons1Mobile Base (No Concrete)
CSB20088' x 20'Up to 53 persons32 persons1Mobile Base (No Concrete)
CSB201010' x 20'Up to 66 persons40 persons1Mobile Base (No Concrete)
CSB30088' x 30'Up to 80 persons48 persons2Mobile Base (No Concrete)
CSB301010' x 30'Up to 100 persons60 persons2Mobile Base (No Concrete)
CSB40088' x 40'Up to 106 persons64 persons2Mobile Base (No Concrete)
CSB50088' x 50'Up to 131 persons77 persons2Mobile Base (No Concrete)
CSB401010' x 40'Up to 133 persons80 persons2Mobile Base (No Concrete)
CSB501010' x 50'Up to 164 persons97 persons2Mobile Base (No Concrete)

More about the CSB5010

The CSB5010 is an above-ground steel tornado shelter (10' x 50') for up to 164 persons Maximum Occupancy (97 at design occupancy), on its own steel Mobile Base — no concrete to pour, and it relocates with your project. It has two storm-rated doors and 500 sq ft of protected floor area. Designed to FEMA P-361 and ICC 500 criteria for EF-5 tornadoes (250 mph winds).

Frequently asked questions

How many people does each tornado shelter hold?

From up to 26 persons (8x10) to up to 198 persons (10x60) Maximum Occupancy, at 3 sq ft per person. Each model page also lists design occupancy at 5 sq ft per person.

Do tornado shelters need a concrete slab?

Only the Concrete Slab Install. The Mobile Base (No Concrete) shelter sits on its own steel base with no pour.

How many doors does a shelter have?

8x10 through 10x20 shelters have one storm-rated door; 8x30 and larger have two.

What standards are the shelters built to?

Our shelters are designed to FEMA P-361 and ICC 500 criteria for EF-5 tornadoes with 250 mph winds.

Talk to a specialist

Get a quote for the CSB5010

Tell us what you need and where it is going. We reply within one business day with availability, lead time and a rental quote. In-stock units ship in days with rush processing; turnkey delivery and pickup are quoted per site.

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