Plumbing Code Overview : 2. Materials and Rodent Proofing

 Plumbing Materials:

  • The plumbing code specifies which materials must be used for specific plumbing applications.

  • Materials should have the manufacturer's identification stamped on them.

  • Installation should follow professional standards and comply with the plumbing code.

Rodent Prevention:

  • Plumbing systems must be designed to prevent rodents from entering the building.

  • Rodents commonly enter through drain lines, meter boxes, and piping penetrations.

  • Key Preventive Measures:

    • Install strainer plates on drains with openings no larger than ½ inch.

    • Ensure meter boxes are sealed to prevent rodent access near the water supply system.

    • Seal gaps around piping penetrations with approved sealing materials, such as caulk, suitable for the application.


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