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Blast-Resistant Buildings

The Industry Leader of Blast-Resistant Building Rentals

When you need to protect personnel and equipment from fire, explosions, blasts, and other dangers, turn to Hunter Onsite. Our blast-resistant buildings (BRBs) are engineered to intense specifications, making us the #1 name in safety. Our large inventory of blast-resistant, pre-configured single modules, multi-unit complexes and specialty units ensures we can quickly deploy a building to your location. Blast-resistant modular buildings can also be customized to meet your exact needs.

Blast Resistant Building Single Module

Blast-Resistant Building Single Module

Our 20' and 40’ blast-resistant buildings are available in a variety of layouts.

Single Module Learn More

Blast Resistant Building Multi-Unit Complex

Blast-Resistant Building Multi-Unit

Combine two or more 12-foot units to create virtually endless combinations.

Multi-Unit Complex

Blast Resistant Building Specialty Units

Blast-Resistant Building Specialty

Specialty BRB units that protect personnel and equipment.

Specialty Units Learn More

Blast-Resistant Building Specifications

All of our BRB rentals are constructed using the highest quality materials. Many features can be customized including layouts, plumbing, communication systems, lighting and more. 

EXTERIOR FINISH Commercial Blast-SPC-SP6 Base Coat of 1-3mil DFT zinc primer
Ceiling Height 7’11” 
BLAST DOORS 36" x 80" steel reinforced 8 PSI blast rated, with extra heavy duty hinges, keyed lever latchset, HD hydraulic door closure, panic push bar and drip cap
Interior Wall Coverings Vinyl Covered Gypsum with Matching Battens
Interior Floor Coverings Commercial Grade Floor Tile
Interior Light Fixtures Fluorescent 2'x4' Tube Lay-in Troffers
Exterior Light Fixtures Weather Resistant Lights at Each Exit Door
Outlets 120V, 20 Amp duplex, GFCI Duplex in Wet Areas
HVAC Self-contained, Wall-Mounted Center AC/Heat Unit
Fire Detection/ Protection 120V Smoke Detectors, Fire Extinguisher Adjacent to each Exterior Door

We make blast resistant building rental easy.

In the market for a blast-resistant building rental? Never settle for a worn-out, converted storage container! Turn to Hunter Onsite for blast-resistant building rentals to protect your personnel and equipment within industrial areas, disaster preparedness and conflict zones.

Our blast-resistant buildings are engineered to stringent safety and blast specifications, making Hunter Onsite the number one name in safety. We have a wide variety of blast-resistant buildings for any sized project, most with easy roll-off delivery. No crane is required.

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Frequently Asked Questions about Blast-Resistant Modular Buildings

What is a blast-resistant building?
Blast-resistant buildings are structures designed to withstand the effects of an explosion, such as those caused by bomb blasts or other high-energy events. These buildings are typically constructed using special materials and techniques that can help absorb, deflect, or disperse the energy from an explosion. Blast-resistant buildings are commonly used in areas that are at high risk for explosions, such as industrial areas, disaster preparedness, conflict zones and other critical infrastructure. They can also be used in industrial settings, such as chemical or oil refineries, where explosions or fires are a significant hazard. The goal of a blast-resistant building is to protect occupants and minimize damage in the event of an explosion, thereby increasing the safety and security of the building and its surroundings.

How are blast-resistant buildings rated?
Blast-resistant buildings are rated in two ways—the amount of pressure they can withstand from an explosion and the response level. The amount of pressure in pounds per square inch (psi) that the building can withstand is given a number rating. The higher the rating, the more resistant the building is to blasts. The American Society of Civil Engineers (ASCE) establishes response level ratings for blast-resistant buildings based on the predicted amount of repair that a structure would need after an explosion. The response level ratings are low, medium and high. With low meaning an explosion would do very little damage and require a low response and high meaning the building is predicted to sustain substantial damage in an explosion.

What is the blast response level mean for blast-resistant buildings?
Response levels are defined by the American Society of Civil Engineers (ASCE) as Low, Medium, and High. This correlates to the level of damage to expect to the building after a blast or explosion. A Medium Response Blast-Resistant Building will require significant repairs after a blast due to widespread building damage. The building should not be used until the repairs are made. A Low Response Level Blast-Resistant Building means the building may have little damage after an event, but can still be used. Minor repairs from damage may be needed but the building can be used in the meantime. When it comes to protecting personnel and equipment, HUNTER is the #1 name in safety for blast-resistant buildings (BRBs) in industrial areas, disaster preparedness and conflict zones. Individuals inside the buildings remain protected at each response level.

What is the difference between a blast-resistant building and blast-proof building?
Buildings can be engineered to withstand a great deal of pressure and force from an event, but explosions are powerful events. Blast-proof implies that there would be no damage after an event which would be nearly impossible. Because of this, blast-resistant is the term used industry-wide.

What is the PSI rating and response level of a blast-resistant building?
All Hunter Onsite buildings feature a blast rating of 8 PSI, with a medium response level.

PSI Rating 8 -10 psi 8 psi
Response Level Medium - low Medium

Do the blast-resistant buildings meet any compliance standards?

Hunter Onsite' blast-resistant buildings are all designed and manufactured to meet several national and international compliance standards, including:

API RP 752 / 753 Compliance: The American Petroleum Institute (API) Recommended Practices (RPs) 752 and 753 provide guidelines for managing the risks associated with the location of process plant buildings (RP 752) and portable buildings (RP 753) in facilities that handle hazardous materials. These guidelines are crucial for ensuring the safety of personnel, facilities, and the surrounding environment.

NFPA 496 Compliance: NFPA 496 is a standard published by the National Fire Protection Association (NFPA) that provides guidelines for the design, construction, and ventilation of rooms and buildings where flammable gases or vapors are present. The standard is specifically focused on hazardous locations where electrical equipment is used. 

CSA Compliance: CSA (Canadian Standards Association) compliance refers to adherence to standards developed by the Canadian Standards Association, a standards development organization accredited by the Standards Council of Canada. CSA develops and publishes standards across various industries to ensure safety, reliability, and performance of products, services, and systems.

Are cranes required for delivery of the blast-resistant building?
Hunter Onsite makes it easy to do business with. With easy roll-off delivery, no crane is required to set up most single blast-resistant buildings. We make blast-resistant building rental easy!

What size BRB rentals are available?
Blast-resistant modulars are available in two sizes (nominal dimensions):
12’ (W) x 20’ (L) x 11’ 9” (H)
12’ (W) x 40’ (L) x 11’ 9” (H)

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