Duct Fire Blast Resistant Duct-DuraSystems A DuraDuct ventilation duct is UL Listed, 2 hour fire resistant, and has been extensively tested for blast resistance using C4 with charges up to 9 pounds.You can learn more about DuraSystems' DuraDuct and related products at durasystems.com.
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DuraBarrier – Transformer Fire Separation Transformer fires are an all too common event in our ever expanding high tech world. An aging electrical grid and increased demand on old & volatile transformers has made the fire separation of these ticking time bombs a critical safety requirement.

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A DuraDuct ventilation duct is UL Listed, 2 hour fire resistant, and has been extensively tested for blast resistance using C4 with charges up to 9 pounds.You can learn more about DuraSystems' DuraDuct and related products at durasystems.com.
Visit: https://www.durasystems.com/du....cts/duraduct-2-hour-