Our samples fulfillment partner is experiencing an outage and there will be a delay in all sample shipments. We will work with them to ensure all sample orders are processed once the issue is resolved.
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There are designs that require Thermafiber insulation to achieve the fire rating. Check the UL Fire Resistance Directory for the specific design requirements. In other assemblies, the Thermafiber insulation is used to increase the STC. Fiberglass insulation cannot be substituted for Thermafiber insulation.
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