Fire-Rated Enclosures

Across the country, more aluminum enclosures are misused as makeshift shelters. Enclosures with spray-in insulation often fail under fire exposure and can put infrastructure, the surrounding environment and public safety at risk.

Safe-T-Cover fire-rated aluminum enclosures are built with NFPA 285-compliant panels to resist ignition, limit fire spread and deliver durable, reliable protection where fire-safe enclosure performance matters most.

A burned aluminum enclosure that was not fire-rated with damaged water equipment inside
An enclosure reduced to ash after a fire started inside
A damaged backflow enclosure from a fire

Why Fire Protection Is Important

There's a difference between fire-resistant claims and true fire-rated performance. To choose the right enclosure for high-risk environments, opt for fire-rated. Here's how we design our enclosures, what standards compliance means and why certified fire protection is a must when you need an aluminum enclosure that safeguard both equipment and the public.

Engineered and Fire-Rated for Safety

Our fire-rated enclosures are built to mitigate fire risk. Featuring Foil Class A, NFPA 285-compliant panels, these enclosures are designed to meet key safety requirements and use a closed-cell foam and glass fiber construction to protect both systems and surroundings by resisting ignition and preventing fire spread. They deliver that protection when properly installed to maintain fire rating.

 

An insulated enclosure that has heated temperature control which is critical for safety during colder seasons
Close up of a Safe-T-Cover NFPA 285-rated insulation panels
Inside of a Safe-T-Cover fire-resistant interior
NFPA 285-rated insulation panels can be made in any standard or custom enclosure size

Fire Protection Without Compromise

All standard or custom Safe-T-Cover aluminum enclosures are designed for different installations and project needs and can be upgraded to fire-rated, giving you the same strength, climate control and modular design, plus:

  • NFPA 285-rated insulation panels
  • Fully fire-resistant interior surfaces (aluminum or fire-rated material)
  • Available for all standard and custom enclosure sizes
  • Designated with the "-FR" suffix for easy spec identification

Product Specifications

Insulation

Foil Class A

Foam Core

Closed-cell Class A polyisocyanurate

Facers

15-mil glass fiber-reinforced foil (both sides)

Use

Interior/Exterior, NFPA 285 wall assembly compliant

FAQ

aluminum

What material typically makes up a fire rated enclosure?

Our fire rated enclosures consist of closed-cell Class A polyisocyanurate foam sandwiched between glass fiber-reinforced foil facers, with aluminum or fire-rated materials used for interior surfaces. These materials comply with Foil Class A and NFPA 285 standards, ensuring strong resistance to ignition and limiting the spread of fire.

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What is the difference between fire-resistant and fire rated?

Fire-Resistant: This refers to materials that resist ignition or combustion, often without formal testing or proof.

Fire-Rated: This indicates a material or system has been tested under standardized fire conditions (e.g., NFPA 285) and has received a quantified performance rating, such as a one-hour fire rating. Fire rating is a measurable and verifiable level of protection.

Sizing-1

What is the minimum thickness of a fire-rated enclosure?

Fire-rated enclosures are the same 1.5” thickness as Safe-T-Cover’s standard enclosures, but thickness is only one aspect of a good enclosure. Outdoor applications should also account for sealed joints, weatherproof coatings, ventilation, and service access to keep the unit clean, corrosion-free and protected. Regular inspections and maintenance help preserve long-term performance.

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