Electrical · E-68RN9

Conduit or Pipe Penetration through Roof, Floor, or Wall

Materials

Elements

Walls Roofs Floors / Slabs Waterproofing / Flashing Insulation

About this detail

A pipe penetrates a roof, floor, or wall structure with fiberglass batt insulation packed around the penetration, maintaining a one-inch clearance with no contact, ties, wedges, or debris between the pipe and the structure. Weatherproofing and acoustical sealant are applied at the base of the penetration with a counter flashing extending up from the assembly. A metal flashing covers the transition, secured to the pipe with a one-inch stainless steel hose clamp and sealed at the top with additional sealant. Fire stopping is provided per architectural specifications.

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