Architectural · A-PXPG8

Pipe Penetration @ Floor

Materials

Elements

Floors / Slabs Insulation Roof / Floor Openings Walls

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A pipe penetration passes through a minimum four and one-half inch thick lightweight or normal weight concrete floor slab. The annular space around the penetrating item accommodates a four-inch schedule five steel pipe, four-inch conduit, or three-inch copper tubing, with a nominal eight-inch diameter or smaller steel electrical metallic tubing, conduit, or pipe grouted flush with the floor assembly as an optional configuration. The penetration opening is packed firmly with six pounds per cubic foot mineral wool insulation to a minimum depth of three inches. A minimum one-inch thickness of ProSet Quick-Set FS-90 compound caps the assembly, complying with Underwriters Laboratories tested assembly C-AJ-1163 for a three-hour fire rating.

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