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20 Jun 2023

Compatibility of Firestop Products and Surfaces Contacted – Metallics to Plastics

by: Lindsey Dutkiewicz

FCIA has learned of situations where contractors have had to discover in the field, after inspection agencies or others questioned an installation, that there is an issue with compatibility between certain firestop products and the surfaces with which they come in contact in construction.  The firestop product (sealant or other products) is incompatible with either the surface, the treatment of the surface, or the penetrating item, coverings, or assembly.

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