FIRESTOP Duct Wrap-38 Concrete Wall Rectangular Duct One-Way External Fire
Rectangular duct penetrating a concrete or masonry wall, min 90mm thick. 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 120/120/120.
Products
Details
System ID #: 502
Max Fire Rating: 120 minutes
Max Thermal Rating: 120 minutes
Size: Rectangular ducts up to 1800 x 1000mm
Build specifications
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