Nofirno Coated Board is a sealing system for fire-safe ducting of cables in building and industrial applications.
For wall and floor openings that are oversized, the combination of Nofirno and Nofirno coated mineral wool boards has been developed to prevent unnecessary spending on expensive material. In case of fire, Nofirno sealant can be applied indoors and outdoors to create a protective shield that is not only fire resistant but also acts as a thermal barrier.
NOFIRNO mineral wool boards are supplied measuring 1000 x 600 mm with a 1.2 - 1.5 mm thick layer of NOFIRNO coating on one or both sides. The NOFIRNO mineral wool boards are 60 mm thick (without coating) and have a density of 152 kg/m3. The boards can be easily cut to size at site.
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