It has the potential to reduce cost and reliance on other more expensive solutions, such as using thicker timber to increase charring layers, or by encapsulating the timber with fireboards, which negates the beauty of this sustainable and productive building technology.”Īccording to NTU, there are only a few products on the market that provide transparency and fire retardance. Kevin Hill, Venturer’s managing director, said: “At Venturer, like other stakeholders in the mass timber construction sector, we believe more new projects will look at using this new coating technology if fire resistance can be improved. The NTU team is now in licensing talks with different companies, including Venturer Timberwork which is exploring the coating to protect the mass engineered timber elements in one of its projects. This char was engineered to be extremely heat-resistant, insulating the wood underneath from the high heat.” They will actively participate in the chemical reactions in a systematic manner when exposed to high heat, thus leading to the formation of char. In a statement, Assoc Prof Dasari said: “In our coating, we used technology to lock certain compounds and interact with the resin. The exact composition of the coating is remaining under wraps, but several methods can be used to apply the barrier, which is said to need a day to cure. When heated, a series of complex chemical reactions occur, causing the coating to become a char that expands to over 30 times its original thickness and prevents the fire from combusting the wood underneath. Developed by a team led by associate professor Aravind Dasari from the NTU School of Materials Science and Engineering, this transparent fireproof coating is 0.075mm thick.
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