The FORT™ Construction Technology

The FORT is built using proven refuge chamber engineering, adapted for above-ground wildfire environments. Every element, from materials to structure, is designed to help manage heat, smoke, and real-world fire conditions.

Built on Proven Refuge Engineering

The FORT was developed by a team with decades of experience designing emergency refuge chambers for mining and tunneling environments where life-support performance is critical.

That same engineering foundation has been adapted to wildfire conditions, creating a structure designed to protect occupants and support survivable interior conditions during a fire event.

FORT layered construction of a wildfire bunker

Advanced Layered Construction

The FORT uses a layered, patent-pending sandwich construction designed to manage extreme heat exposure. This system helps absorb and transfer thermal energy away from the interior, supporting more stable conditions during a wildfire burnover.

The structure itself is built using modular panel construction with a non-flammable core and flame-resistant concrete coating. This combination creates a durable, fire-resistant enclosure designed for high-temperature environments while maintaining structural integrity.

Designed for Real-World Fire Exposure

Purpose-built design, engineered for real wildfire conditions.

Layered Heat Management

A patent-pending, multi-layer construction helps absorb and transfer thermal energy away from the interior.

Sloped Roof Design

The angled steel roof reduces debris buildup and limits prolonged heat exposure from burning materials above.

Fire-Resistant Exterior

Durable exterior materials are selected to withstand high temperatures and exposure to embers and flames.

Strategic Footprint

A compact, above-ground structure supports flexible placement within defensible space planning.

Dual-Door Protection System for the FORT wildfire bunker

Dual-Door Protection System

The FORT features a proprietary double-door entry system designed to withstand extreme wildfire conditions.

An exterior burnover-rated door works in combination with an interior fire-rated door to help limit heat and smoke transfer while maintaining a secure interior environment.

Sealed Interior Environment

The structure is designed to limit smoke intrusion and maintain controlled interior conditions when sealed.

When paired with the FORT’s life-support systems, this helps create a protected environment during active wildfire exposure.

Construction & Site Integration

Designed to Work as Part of Your Property

Construction doesn’t stop at the structure. It includes how the FORT is positioned, maintained, and integrated into your overall wildfire preparedness plan.

On-Site Structure

The FORT is installed directly on your property, providing immediate access without the need for deployment or setup during an emergency.

Placement Within Defensible Space

Designed to be positioned within your property’s extended zone, supporting broader defensible space and home hardening strategies.

Clearance from Fuel Sources

Proper installation includes maintaining distance from vegetation and flammable materials to help reduce surrounding fire intensity.

Integrated into Property Planning

The structure can be incorporated into long-term property design, aligning with safety, access, and overall site layout considerations.

Built for Burnover Conditions

Wildfires are unpredictable and fast-moving. The FORT is designed specifically for burnover scenarios—when fire passes over a property—helping manage heat, smoke, and environmental stress during the most intense phase of a wildfire.

Thoughtful Engineering Details

Behind the FORT is a series of thoughtful design decisions focused on safety, usability, and performance during a wildfire event.

The FORT is designed as a compact, above-ground structure engineered to manage wildfire heat, smoke, and debris exposure without relying on excavation or underground installation.

Materials and assembly are selected to withstand high-temperature conditions and maintain structural performance during wildfire exposure.

The dual-door system includes a primary entry and a secondary escape hatch, providing additional flexibility during emergency situations.

Routine inspections and proper site conditions help ensure the structure remains ready for use and performs as intended over time.

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Apply proven construction technology to your property

Configure your FORT™ to match your site conditions, placement, and performance needs.

Configure Your FORT™

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