Application Environment Definitions (TCNA Handbook)

*Limited Water Exposure Areas
Tile surfaces that are subjected to moisture or liquids but do not become soaked or saturated due to the system design or the time exposure. Examples include: residential bathroom floors and foyers, residential bathroom vertical surfaces including tub surrounds without a shower head, and kitchen countertops.

**Wet Area Definition
Tile surfaces that are either soaked, saturated, or regularly and frequently subjected to moisture or liquids (usually water), such as gang showers, tub enclosures, showers, laundry rooms, saunas, steam rooms, swimming pools, hot tubs, commercial kitchen and exterior areas.

Service Requirements (TCNA Handbook)
Commercial Construction Dry or Limited Water Exposure
- e.g., dairies, breweries, kitchens.

Commercial Construction–Wet
- e.g., gang showers, tubs, showers, laundries.

Residential and Light Construction–Dry or Limited Water Exposure
- e.g., kitchens and toilet rooms, commercial dry area interiors, and decoration.

Residential and Light Construction–Wet
- e.g., tub enclosures and showers.