// CODE SNIPPET
7.10.6 Shower Floors and Shower Pan Liners
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- Adequate structural support shall be provided under shower floors.
- Finished shower floor surfaces shall be smooth and waterproof.EXCEPTION: Grouted shower floors and other shower floors that are not waterproof, but are water-resistant, shall be permitted if the floor has a shower pan liner or a pan, base, or receptor that is waterproof with drainage.
- Manufactured shower pans, shower bases, and shower receptors shall be installed in accordance with this Code and the manufacturer's instructions.
- The edges of shower pans, bases, and receptors shall include flanges or other means of making a waterproof joint with the walls of the shower enclosure.
- Shower pan liners shall be provided beneath shower floors that are water-resistant (not water-proof) and also if required by the manufacturer's installation instructions for prefabricated or prefinished shower pans, bases, or receptors.EXCEPTION: Shower pan liners shall not be required under water-resistant shower floors if they are installed on shower pans, bases, or receptors that provide for the drainage of water seepage through the floor finish.
- Shower pan liners shall slope to the shower drain outlet and be sealed to the weep holes in the drain fitting. The liner shall provide a water-tight basin up to the overflow elevation of the shower floor.
- Shower pan liners shall be tested for leakage. There shall be no leakage indicated on the floor surrounding the shower pan for a period of not less than 15 minutes.
See Figure 7.10.6
Figure 7.10.6
A SHOWER PAN AND DRAIN
A SHOWER PAN AND DRAIN
Related Code Sections
7.10.6 Plumbing Fixtures, Fixture Fittings and Plumbing Appliances, Shower Floors and Shower Pan Liners
: Grouted shower floors and other shower floors that are not waterproof, but are water-resistant, shall be permitted if the floor has a shower pan liner ...