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Application of intumescent paint to structural elements

Question asked by yopiprabowo on Jun 1, 2020
Latest reply on Jun 2, 2020 by milt.werner

A client of ours proposed an alternative for passive protection system on stair enclosures by applying intumescent paint to beams and columns surrounding the enclosures. However, the intumescent paint was applied only on primary beam, excluding the secondary beam. Is there any clause in NFPA that explains the application of fire coatings to structural elements?