Brimstone Large+ Heavy Duty Preventer™ Li-Ion Fire Blanket - 16' x 16'

The Brimstone Large+ Heavy Duty Preventer™ Fire Blanket is an industrial-grade safety solution designed to provide maximum coverage and protection against lithium-ion battery fires and overheating events. Built with a 10’ x 10’ (3 m x 3 m) heavy-duty core surrounded by an additional 3’ (1 m) single-layer border, it delivers expansive protection of approximately 16’ x 16’ (4.9 m x 4.9 m)—ideal for larger battery systems and high-risk environments. Weighing 55 lbs (25 kg), the blanket is stored in a high-visibility safety-orange bag for fast deployment and convenient storage. Proudly sewn in the USA and manufactured in ISO 9001:2015 registered facilities, this blanket offers reliable defense when it matters most.

Includes:

• 1 Large+ Heavy Duty Industrial Li-Ion Fire Blanket (16’ x 16’)
• 1 Safety-orange carrying/storage bag
• 1 Vinyl peel & stick placard – “LITHIUM-ION BATTERY FIRE CONTAINMENT BLANKET LOCATED HERE”

Specifications:

• Blanket Size: 16’ x 16’ (4.9 m x 4.9 m) total coverage
• Core: 10’ x 10’ (3 m x 3 m) HD3 layering
• Border: 3’ (1 m) single layer around perimeter
• Weight: 55 lbs (25 kg)
• Carrying Bag Size: 20.5" x 25" x 12" (52.1 cm x 63.5 cm x 30.5 cm)
• Color: Off-white with bright yellow 1.5" FR webbing handles (every 5’, knotted for gloved grip)

Important Details:

• Designed for lithium-ion battery fire containment and thermal runaway events
• Tested with 5.3 kWh Tesla modules (100% state of charge)
• Heat resistance:
• Outer material melting point: 2450°F+
• Seam thread operating temperature: 2000°F
• 1MM BTU Torch Test: 15 min at 1900°F (max cold side temp: 111°F at 3")
• 3rd Party Test: 1950°F flame side for 60 min (cold side measured 213°F at 1.5")
• Resistant to most chemical reagents and corrosive agents
• Materials conform to FAA 14 CFR 25, Appendix F burn test requirements (reports available upon request)