FIRESTOP Duct Wrap-38 Concrete Wall (120mm) Rectangular Duct One-Way Internal Fire
Rectangular duct penetrating a concrete or masonry wall, min 120mm thick. One-way system. FIRESTOP Duct Wrap-38 (single or double layer) on non-fire side only. Useful for situations where a grease duct opens to the fire source (kitchen). Steel angle both sides, but no wrap or collar required from fire source to the first fire-wall. Annular gap 20-170mm. Internal fire only. Up to FRR 120/120/120.
Products
Details
System ID #: 878
Max Fire Rating: 120 minutes
Max Thermal Rating: 120 minutes
Size: Rectangular ducts up to 1800 x 1000mm
Build specifications
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