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Bridgehill®
FireBlock Membrane

Flat Roof - Under Waterproofing

Bridgehill FireBlock Solar PV Membrane

FireBlock Roof Membrane - Flat Roof Under Waterproofing is a built-in fire protection layer for new flat roofs. Installed between insulation and waterproofing, it becomes part of the roof structure without changing construction methods.
During a solar panel fire, the membrane expands under heat, forming an insulating barrier that protects insulation, vapor layers, and structure maintaining roof integrity and meeting fire safety codes.

Size
1,15 m x 30 m | 3,77 ft x 98.43 ft
Weight
35 kg | 77.16 lbs
Peak temperature
± 1600 °C | 2912 °F
Working Temperature
± 800 °C | 1472 °F
Core material
Silica, Alumina, Calcium oxide, and Boron oxide
Coating
Bridgetech™ Polymer Coating
Usage
Roof fire barrier membrane designed to prevent fire spread
Rating
Classification report for roof covering exposed to external fire according to EN 13501-5: Broof (t2)
FireBlock Product Sheet

A new standard

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Bridgehill® Fire Membran for solar panels
The original fire blankets providing the fastest, safest and most eco-friendly way to extinguish and isolate fires - even in lithium batteries and electric vehicles.
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Membrane Material 2
Bridgehill® Fire Proof roofing
The original fire blankets providing the fastest, safest and most eco-friendly way to extinguish and isolate fires - even in lithium batteries and electric vehicles.
Membrane Material 3
Solcellepanel Flatt Tak

Bridgehill FireBlock Products

Fireblock Membrane Material 2
Fireblock Membrane
FireBlock is a fire-resistant sandwich membrane with a multi-layer construction and a FireBlock core technology. The core is engineered to react to high thermal exposure while the outer layers provide mechanical stability and compatibility with standard roofing systems.
DATA SHEET
Adhesives And Tapes Material 2
Adhesives And Tapes
High-temperature-resistant adhesives and tapes are used to bond seams and overlaps, ensuring system continuity under fire conditions. The products retain adhesion and sealing performance at elevated temperatures, eliminating the need for mechanical fasteners.
DATA SHEET
Soap Material 2
Soap
The installation soap is a surface preparation and installation aid that removes grease and contaminants to achieve consistent adhesion. The product is environmentally friendly and non-toxic, posing no risk to the surrounding environment.
DATA SHEET
Frequently Asked Questions

Wondering how FireBlock works, where it fits in the roof, or what it protects?
Below you’ll find clear answers to common questions about fire safety, installation, and performance for both new builds and retrofits with rooftop solar.

What is FireBlock Solar PV Membrane?

FireBlock Solar PV Membrane is a fire-resistant roof membrane designed to prevent fire from spreading from solar panel installations into the underlying roof structure.

What problem does FireBlock solve?

It blocks flames, radiant heat, and hot gases from solar panel fires, protecting combustible insulation and structural elements in the roof.

Where is FireBlock installed in the roof build-up

FireBlock can be installed either above or below the waterproofing membrane, as well as on battens or sheeted roofs, depending on roof type and project requirements.

How does FireBlock work during a fire?

When exposed to extreme heat, the membrane expands and forms an insulating, intumescent barrier that prevents heat and flames from penetrating the roof assembly.

Is FireBlock tested in full-scale fire scenarios?

Yes. FireBlock has been tested in full-scale photovoltaic fire scenarios, demonstrating very low heat transfer to underlying insulation even during prolonged fire exposure.

Can FireBlock be used on both flat and pitched ro

Yes. The membrane is suitable for flat roofs, low-slope roofs, and pitched roofs.

Technologi
Technology
How it works
The original fire blankets providing the fastest, safest and most eco-friendly way to extinguish and isolate fires - even in lithium batteries and electric vehicles. In auto garages and showrooms with a high concentration of cars, there’s always a risk of car fire and spread of fire.Cars with errors or cars that have recently been involved in an
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Extensesively tested by
fire professionals and engineers

10 x times more efficient than any standard membranes

Eco friendly. Isolate smoke immediately without spreading toxic fumes or substances

Easy to install and
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Meet Thor Brubakken
Thor brings a strong engineering background and broad experience across renewable energy and fire‑safety technologies. He has held leadership roles in solar‑ and building‑systems firms. At Bridgehill, he leads the development of advanced containment solutions™, driving high‑performance product architecture, scalability, and integration with global energy installations.
Contact Thor