Smooth out your Bathtub: How to Fix a Dip

To fix a dip in a bathtub, you can use a bathtub repair kit or hire a professional. If you choose to use a repair kit, follow the instructions carefully to ensure the best results.

A dip in a bathtub can be a frustrating and inconvenient problem to deal with. Not only is it uncomfortable to bathe in, but it can also be a safety hazard. Luckily, there are ways to fix the issue. You can opt to use a bathtub repair kit, which can be found at most hardware stores, or you can hire a professional to fix the problem for you.

However, it’s important to follow the instructions carefully if you decide to go the diy route to ensure the best results. In this article, we’ll explore different methods to fix a dip in a bathtub and offer tips on how to prevent the problem from occurring in the future.

Smooth out your Bathtub: How to Fix a Dip


Understanding The Cause Of A Dip In The Bathtub

A dip in your bathtub can cause drainage problems, discomfort, and even pose a safety hazard. Common causes include leaky pipes, an improper foundation, or a damaged bathtub. Signs of a dip in your bathtub can include cracked tiles, pooling water, and an uneven surface.

It’s important to identify the cause of the dip in order to properly fix the problem. Ignoring the issue can lead to more extensive and costly repairs in the future. With a little investigation and repair, you can have a level and safe bathtub once again.

Preparing To Repair Your Bathtub

To fix a dip in your bathtub, you will need several tools and materials. Safety should be a top priority, so be sure to wear protective gear. Start by turning off the water supply and draining the tub. Remove the drain cover and any hardware that may be in your way.

Clean the area around the dip and use a putty knife to apply filler material. Smooth the surface and let it dry according to the instructions. Finally, sand and paint the repaired area to match the rest of your bathtub.

With the right tools, materials, and precautions, your bathtub will be level and safe to use in no time.

Leveling Your Bathtub

Leveling a bathtub is a simple task that can be tackled on your own. If you notice a dip in your tub that’s causing water to pool, the easiest fix is to use sealant to level it out. For a more drastic solution, you can remove and re-install the bathtub to eliminate the dip altogether.

When using sealant, make sure to purchase a product that is safe for use in bathrooms and follow the manufacturer’s instructions carefully. Before removing your bathtub, be sure to turn off the water and disconnect any plumbing to avoid damage.

Once you’ve leveled your bathtub, be sure to allow plenty of time for the sealant to dry before using it again.

Adding Supports

A bathtub dip can be concerning and frustrating, but adding supports can easily fix the issue. First, you need to identify if your bathtub is unsupported. Look for any crack, flex or movement when you step on the bottom around the drain.

Once you have identified the issue, you can proceed to fixing it. There are several strategies for adding support, such as adding materials under the tub, using foam spray or bathtubs with integral supports. Each has its advantages and disadvantages.

Materials under the tub, like wedges or shims, are cheap but require regular checks. Foam spray is more expensive but provides a more permanent solution. Meanwhile, integral supports require professional installation. Choose the method that suits your budget and preference.

Frequently Asked Questions Of How To Fix A Dip In A Bathtub

How Do I Know If My Bathtub Has A Dip?

If you notice water pooling at one end or find instability, you have a dip. Placing a marble or ball in different locations on the bottom can also detect a dip.

What Causes A Dip In A Bathtub?

Dips in a bathtub are commonly caused by weak supports or an uneven floor. This may lead to a cracked tile or a grout line to open.

Can I Fix A Dip In My Bathtub Myself?

Yes. You can fix a dip in a bathtub with foam underlay, plywood, or a leveling compound. Start by draining the water and identifying the lowest point of the bathtub.

How Much Does It Cost To Fix A Dip In A Bathtub?

The cost largely depends on the extent of the damage and the solution needed. The materials may cost around $100 to $200, whereas a plumber’s hourly rate for repair might increase the cost.

How Long Will The Bathtub Dip Repair Last?

A proper repair work with durable materials can last for years. The longevity also depends on the extent of use and maintenance.


To summarize, fixing a dip in a bathtub is not as difficult as most people may think. By following the steps outlined above, you can have your tub looking brand new again in no time. Remember to always ensure your safety by disconnecting any electrical sources before commencing the repair process.

Pay attention to the materials you will need and make sure to follow the instructions to the letter. If you encounter any challenges, seek professional help. You don’t want to make things worse by trying to fix a dip on your own.

With patience and diligence, you too can give your bathtub a well-deserved makeover. Don’t let a dip ruin your bathing experience. Follow the tips above, and enjoy your renewed bathroom oasis.

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