FIRESTOP Duct Wrap-38 Concrete Wall Circular Duct One-Way External Fire Core-drilled Aperture
Circular duct up to 1,000mm diam penetrating a concrete/masonry wall (100mm or greater). One-way system. FIRESTOP Duct Wrap-38 on fire side only. Steel angle both sides. Useful for situations where an air duct traverses a potential fire source (machine room). No wrap or collar required outside the fire source. External fire only. Annular gap 10-30mm. Up to FRR 120/120/90.
Products
Details
System ID #: 556
Max Fire Rating: 120 minutes
Max Thermal Rating: 90 minutes
Size: Circular Duct up to 1,000mm diam
Build specifications
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