Bathtub Removal Cost & Process Guide
Tearing out a bathroom tub isn't just about smashing it; it's a precise construction process that requires protecting the existing waterproof layers and managing the plumbing. On average, the job takes about 3 to 4 hours, and the cost usually falls between $150,000 to $300,000 (assuming USD conversion for context, but keeping the original currency structure for the final output) depending on your specific site conditions. In this guide, we're breaking down everything from what drives the cost to the actual step-by-step demolition and waterproofing process.
How Tub Material Affect the Removal Process and Cost
Bathroom tubs generally come in a few types: FRP, acrylic, or heavy cast iron or cultured marble. Since the material dictates how many workers and what equipment we need on-site, it directly impacts the final quote. Acrylic or FRP tubs are easy to break down and haul away with a grinder, but cast iron tubs can easily weigh over 100kg. This means taking them apart and moving them in a tight bathroom space takes significantly more time.
Disposal fees also change based on the weight and size of the debris. You'll need to account for either standard household waste sticker fees or professional removal service charges. If you're in a high-rise without an elevator or in an area where a crane isn't accessible, labor costs for moving things can increase, leading to extra charges beyond the base estimate.
| Material Type | Average Removal Cost | Time Required | Key Characteristics |
|---|---|---|---|
| Acrylic and FRP | 150,000 KRW ~ 200,000 KRW | 2 hours ~ 3 hours | Lightweight and easy to cut |
| Cultured Marble | 200,000 KRW ~ 250,000 KRW | 3 hours ~ 4 hours | Hard, creating noise during demolition |
| Cast Iron and Heavy Metal | 300,000 KRW or more | 4 hours or more | Very heavy, requires extra manpower |
Step-by-Step Guide to Removing Your Bathtub
When you're working on a job site, you absolutely have to follow the proper sequence to prevent damage to surrounding fixtures and avoid any accidents. Even small oversights can lead to pipe damage or leaks in the unit below, so the worker needs to be careful with every step.
- Turn off the water supply to the bathroom fixtures and completely dry any residual water around the pipes before setting up protective coverings in the work area.
- Use an electric grinder or hammer drill to cut the bathtub body into manageable pieces, detaching it from the floor.
- Carefully cut away the silicone sealant where it meets the wall tiles, and safely remove all the broken pieces to the outside.
- Cover the drain opening with a cloth or tape to completely block any construction debris from entering the sewer line.
How to Prevent Water Damage and Leaks During Bathtub Removal
The most common issue during bathroom renovations is a leak into the apartment below caused by damage to the waterproof layer during demolition. It’s very common for the floor tiles or the liquid waterproofing to get chipped away when you remove the tub. If you don't immediately apply a new waterproof coating to the exposed concrete floor, water can seep through the pipe gaps.
On the job site, you must complete an extra step immediately after demolition: thoroughly clean the floor and apply a waterproof mortar or urethane-based sealant. If you skip this step and put down tiles or install a shower enclosure right away, there is a very high chance you’ll see signs of leaks in the walls or ceiling within six months.
Finishing Up: How to Manage Existing Plumbing and Final Touches
Once the tub is gone, how you use the space depends on the original drain location and the condition of the surrounding walls. If you plan to create a standard shower area or a custom masonry tub, you'll definitely need to do some plastering work to establish the correct floor slope (pitch).
- If the existing drain pipe is higher or lower than the floor level, use a PVC pipe cutter to trim it to the correct length.
- Don't neglect the pipe finishing touches, as this can cause odors to back up or bugs to crawl up; seal it tightly with a dedicated cap.
- If there are any loose tiles around the demolition area, remove them as well to prevent them from popping up and breaking later.
Frequently Asked Questions About Bathroom Tub Removal
Can I hire a company just for tub removal?
Yes, you can hire a dedicated demolition crew just for the tub removal process. Typically, the job is finished within half a day.
How do I check if water is leaking into the apartment below after removal?
To accurately determine if there's a leak, you need to check the ceiling in the unit below after the waterproofing and plumbing connections are done. This usually involves filling or running water for at least 24 hours.
What should I do if I break a pipe while trying to remove it myself?
If you pour cement over a damaged pipe, it could lead to a major water leak. In that case, you must immediately shut off the water supply and call a plumbing expert to replace the pipe.
If you're planning to remove your bathroom tub, it's smart to look beyond just the cost estimate. You should also thoroughly check the waterproofing and the final plumbing work to prevent any potential leaks after the job is done.