Fri, 07 Nov 2025

Fri, 07 Nov 2025 Fire-blocking chemicals promise safer buildings

New treatments promise to make buildings fire-resistant without using older, toxic chemicals.
Burnblock's exact composition is not publicly disclosed, but documentation suggests it contains citric acid and "a natural component in the body" which also exists in some berries. Flame retardants have been used for centuries, but many modern ones are highly toxic, prompting a search for safer alternatives. The treatment process involves exposing wood to a vacuum, then applying pressure with the Burnblock solution to force it into the wood's core. The treated wood is then dried and can be used in construction projects. Experts note that timber has unique properties that allow it to absorb flame retardants, while plastics pose a more challenging problem due to their tendency to burn rapidly. Researchers are exploring new technologies, including graphene, which forms a protective barrier to slow fire spread. Graphene-based solutions have shown promise in reducing the flammability of plastics and may be licensed for use in construction materials. Another approach involves gel-like fire retardants that can be sprayed onto buildings before wildfires reach them. In related news, Vector Homes is preparing to sell licenses for graphene-based products, while Stemaide aims to bring tech skills to young Africans.
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