Architectural · A-BZAP7

Non-Metallic Pipe Through-Penetration Firestop System

Materials

Concrete Reinforced Concrete Steel Masonry / CMU

Elements

Walls Floors / Slabs Drainage Reinforcing Roof / Floor Openings

About this detail

A non-metallic pipe penetrates a minimum 4-1/2 inch thick reinforced lightweight or normal weight concrete floor or wall assembly, which may also be constructed of UL classified concrete blocks. An optional nominal 4-inch diameter or smaller Schedule 10 or heavier steel sleeve is cast or grouted into the opening, sized with a diameter 1 inch larger than the nominal pipe diameter. The assembly achieves F ratings of 2 and 3 hours, T ratings of 0, 2, and 3 hours, and a W rating of Class 1.

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