This simple seal helps:
- Prevent sewer odors from entering the kitchen
- Discourage drain flies and other small insects
- Reduce airflow through the drain
- Keep the sink isolated while the home is unoccupied
It’s inexpensive, takes only seconds, and requires no special equipment.
What’s the Purpose of the Paper Underneath?
The paper isn’t there by accident.
Many people place a small piece of paper, cardboard, or a napkin under the glass for several practical reasons:
Better Sealing
The paper helps create a flatter surface between the drain and the glass, improving the seal.
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