So, are bathtub overflow drains required? Like must a bathtub have a bathtub overflow drain?Ī bathtub overflow drain is not a requirement. For a permanent solution consider installing an adjustable overflow plate. If you want to stop your bathtub overflow from draining (to have more water in the tub), seal the overflow drain opening using a bathtub overflow cover, plumber’s tape or duct tape. If there is a problem (clog) affecting the drain line, both the overflow drain and floor drain will be affected. It is important to mention that the bathtub floor drain and the overflow drain share the same drain line and drain trap.
The metal plate however has a small opening through which the water enters the overflow drain. Water from the bathtub will then flow out of the house through the underground sewer line.įor aesthetic purposes, the tub overflow drain opening is usually covered using a metal plate. The overflow drain runs vertically along the wall of the tub and is then connected to the main bathtub drain a few inches below the tub’s floor drain opening. Its function is to drain excess water from the tub through the drain line therefore preventing the tub from overflowing and flooding the bathroom. Unless you do a very good job drying the water, you are very likely to have a mold problem after a few days.Ī bathtub drain overflow is an opening few inches below the rim of the tub which is connected to the tub’s drain line. Without a tub overflow drain, the tub will simply fill up with water and the excess water will flood your bathroom, soaking anything on the floor including the floor/subfloor itself. And that is where a bathtub overflow drain comes in. It is therefore very easy/likely to get distracted and forget that you had a bathtub filling with water. What you therefore tend to do is turn on the faucet and step out of the bathroom to do other things as the tub fills. The thing about bathtubs is that they take quite long to fill up.
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