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The Ultimate Guide to Undermount Bathtubs

From styles to installation tips, this comprehensive guide will provide you with all of the information on undermount bathtubs.

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Every little thing counts in the quest for flawless home design, particularly when creating a haven in your bathroom. Among the plethora of bathtub choices, the undermount bathtub is a sophisticated and useful gem. It is a choice for individuals who want both luxury and functionality because of its subtle elegance and smooth integration with your bathroom décor. So, let’s delve into the attraction and complexities of undermount bathtubs to determine whether they're the showpiece of your house.

What Defines an Undermount Bathtub?

Undermount bathtubs are the pinnacle of elegance and subtlety. Unlike its traditional counterparts, it blends in harmoniously with the bathroom floor beneath the rim, giving the stage to its surroundings. While it is similar to drop-in tubs, it stands out for being installed under the rim covertly, providing a smooth appearance that goes above and beyond the norm.

The Triad of Undermount Bathtub Styles

When it comes to undermount bathtubs, there are three main varieties that are designed to accommodate varying preferences and space constraints:

1. Oval-Shaped Undermount Bathtubs: These bathtubs radiate pleasure by embracing curve and comfort, and they provide adequate space for profound relaxation. They invite you to relax and rejuvenate with their rounded shapes suggestive of a spa retreat.

2. Standard Undermount Bathtubs: These bathtubs, which perfectly complement the bathroom floor and exude timeless beauty, create a calm, subtle sense of luxury. Their flat rims offer the ideal surface for customisation, enabling you to accessorise them with your own aesthetic.

3. Corner Undermount Bathtubs: These bathtubs, which elegantly occupy the corner and maximize floor space without sacrificing comfort, are the pinnacle of space-saving design. They meet the demands of contemporary living with a beautiful blend of form and function in their triangular silhouette.

Crafting your bathing haven with the art of installation

Installing an undermount bathtub necessitates careful attention to detail and craftsmanship. Here's a step-by-step approach to transforming your bathroom into a sanctuary of relaxation:

  • Prepare the Installation Area: Remove any obstacles and smooth rough edges to ensure structural integrity.
  • Construct the Tub Frame: Mark the wall portions with 2x4 inch lumber and secure them with screws and construction adhesive.
  • Install the Drain Assembly: To ensure a seamless integration, follow the manufacturer's instructions.
  • Position the Tub: Place the tub into the enclosure, ensuring optimum weight distribution and level alignment.
  • Secure the Tub: Stabilise the tub with wood shims and mortar to keep it from moving.
  • Cut and finish the surrounding area: Cut plywood to size, sand the edges, and then add finishing material for a polished appearance.
  • Test and Seal: Look for leaks and use silicone sealant to ensure watertightness and durability.




Staying aware and prepared is key during the installation process. If you have any questions or concerns, please contact Kohler customer service for expert advice. Alternatively, you can submit an installation request, and Kohler Service Engineers would be happy to assist you at your home, assuring a seamless installation.

Finally, undermount bathtubs combine elegance and functionality, boosting your bathroom's appearance while providing a haven for relaxation. With great attention to detail and the correct materials, you can create an extraordinary bathing experience. Explore the world of undermount bathtubs and enjoy the luxury of classic sophistication.

Kohler's stunning collection of undermount bathtubs is the pinnacle of elegance and craftsmanship. Explore our range of products to change your bathing experience into a haven of relaxation and rejuvenation.