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PRANCE metalwork is a leading manufacturer of metal ceiling and facade systems.

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What factors affect the fire rating of aluminum composite panels?

The fire rating of aluminum composite panels (ACP) is governed primarily by the core composition, surface coatings, and installation details. Traditional polyethylene (PE) cores burn readily and are unsuitable for high-risk zones. PRANCE offers fire-retardant (FR) cores containing mineral fillers or non-combustible cores (A2), achieving ratings such as ASTM E84 Class A and EN 13501-1 A2-s1,d0. These cores prevent flame propagation and minimize smoke generation.


What factors affect the fire rating of aluminum composite panels? 1

Surface finishes also influence performance. Polyvinylidene fluoride (PVDF) and fluoropolymer coatings resist ignition and self-extinguish under exposure. Panel joints and sealants must be specified with fire-resistant gasketing to maintain continuous barriers. Improperly detailed joints can act as fire paths, compromising façade integrity.


Laboratory testing of full-scale assemblies—combining ACP, substructure, and sealants—validates compliance with building codes. PRANCE assists architects in selecting appropriate cores and detailing to meet local regulations while retaining the sleek look of metal façades.


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