Steam rooms and saunas are popular additions to home renovation projects. ... Instead, a steam room needs non-porous surfaces all-around, such as tiles, marble, plastic or glass, ...

Steam rooms are usually lined with tile, glass, or plastic, making them airtight to retain moisture. They are heated to between 114°F and 120°F (45°C and 48°C).

Steam Room. Construction: Tile/Glass Room Heat Source: Water-filled Generator Temperature: Moist 100o – 120o F Humidity: 100%. Steam Rooms on the other hand are a bit different.