An overflow drain cover is a popular and effective way to seal up your overflow drain. These drain covers are usually made of plastic and use suction cups to cover over your overflow drain. Waterproof tape is relatively inexpensive and extremely easy to use but is not as durable or long-lasting as other solutions on this list. Flex Seal This is a more permanent solution as the sealant will be harder to remove than a plate or cover. You can reinstall your original drain cover over the sealant to avoid exposing it, giving you a more seamless look. An overflow drain works in a very straightforward manner. When your bottom drain is plugged or sealed, your tub will fill with water. The overflow drain usually rests a few inches below the rim of your bathtub. When your bathwater reaches the height of the overflow drain, the water will exit through the overflow drain instead of spilling onto your floor. While waterproof sealant takes more time, it can be quite effective, inexpensive, and easy to install. Waterproof Tape

Bath Overflow Stopper CP | Toolstation

There are a few issues that can occur with an overflow drain. Please keep in mind that while an overflow drain is a great addition, it is also installing a secondary pipe system that can corrode or leak. Clogs Whenever possible, fish out hair clumps and obstructions with a snake to prevent your pipes from being clogged or obstructed.While bathtubs without overflow drains are becoming rarer, they do exist and can be bought online and in some hardware stores. While replacing your bathtub is not a direct method to seal an overflow drain, it removes the overflow drain from the equation. Leaks can occur over time due to the natural erosion of the pipe material. Leaks will result in lower water pressure and eventually water damage to your other pipes and housing material, so it is best to inspect your plumbing regularly. How to prevent overflow With overflow drains, there are two primary types available: Traditional and Integral. Which one you have in your home will largely depend on the age of your house or bathtub. Traditional Be mindful of the material that flows through your pipes, please refrain from pouring heavy chemicals, oils or viscous material down the drain. A traditional overflow consists of a hole cut into the tub to accommodate a drain that installs on the inside and outside walls which collect excess water and sends it down a tub drain to a P-trap. This style is perhaps the most common in older homes and requires some flexibility in cutting and installing the pipe system. Integral

Bathtub Overflow Drain - Loo Academy 7 Ways to Seal Off a Bathtub Overflow Drain - Loo Academy

An Integral overflow is designed a little differently than the traditional style. Whereas the traditional overflow is made with an exterior pipe and drain system, an integral overflow is similar to a sink overflow. An opening is cut along the interior of the bathtub and the excess water is then diverted between the walls of the tub drain. This style is popular for those that don’t want to deal with exposed piping as the overflow channel is built in the tub’s inner wall. Parts of a overflow drain: Many of these drain covers include a small hole at the top of your cover, allowing water to still drain while adding inches to your bathtub’s water level. In addition, these drain covers require no removal or modification to your existing overflow drain. An overflow drain may seem complicated at first, but the actual mechanics are fairly straightforward. Here is how an overflow drain works:As stated previously, an overflow drain helps to ensure that your bathtub does not overflow if you leave the faucet on. This is important if you don’t want to wait by your bathtub while it slowly fills with water for your bath. Beyond just creature comfort, it also ensures that water won’t spill out and flood your bathroom if the faucet is left running. Types of Overflow Drains The primary purpose of an overflow drain is to prevent water from spilling or overflowing onto your floor, so why would you not want one? The most common reason is that you desire a deeper soak in your bathtub. Overflow drains prevent a tub from being filled to the top, and without one, you can get a more full-body bathing experience.