Kohler 1130-0 Underscore® 60" x Alternatives: 6 Similar Picks Compared
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The kohler 1130 0 underscore 60 x alternatives list helps you find a tub that matches your specific needs. This model offers a deep soak with molded lumbar support in a white acrylic drop-in design. It holds over 60 gallons of water and measures 63.1 inches long. You might look elsewhere if you need an alcove fit instead of a drop-in setup. Some buyers prefer a lighter tub for easier installation. Others want a freestanding style or integrated armrests for extra comfort. The alternatives were chosen because their specs overlap with the original. This ensures you get comparable quality without unexpected size mismatches. We compared seven similar picks to cover different installation types. You can choose from alcove, skirted, or freestanding options. Each selection retains the core benefit of deep soaking. You also get durable acrylic construction across the board. This guide focuses on physical dimensions and material properties. You can decide based on space constraints and drain location. The list includes budget-friendly and premium choices. You get clear facts to make a practical decision. No guesswork is needed when the specs are this detailed. Your bathroom layout dictates the best fit. Consider width, height, and weight carefully. These factors affect both comfort and structural support. The data provided here is strictly factual. You can trust these numbers for your planning.
Our top pick: Kohler Underscore 60-inch Drop-in Tub.
How Each Alternative Compares
Swiss Madison Voltaire 60" Alcove Tub
The Swiss Madison Voltaire replaces the drop-in format with a stable apron-style alcove design. It weighs 68 pounds, which is significantly lighter than the 100-pound Kohler. The width is 30 inches, narrower than the Kohler’s 36-inch footprint, making it better for tighter alcove spaces. It features an integrated armrest for added comfort. You give up the deeper 26-inch height of the Kohler for a 22-inch profile. This model suits users who need a right-hand drain and a simpler installation without custom decking. It is a practical choice for standard bathrooms where space efficiency matters more than maximum depth.
DeerValley 60" Acrylic Alcove Tub
The DeerValley model offers a budget-friendly acrylic option for deep soaking in standard alcove layouts. It shares the 60-inch length but has a narrower 30-inch width compared to the Kohler’s 36 inches. The height is 18.1 inches, lower than the Kohler’s 26-inch profile, which may affect comfort for taller users. It lacks the molded lumbar support found in the Kohler. The design is simple and easy to clean, focusing on durability without hydrotherapy complexity. You save on cost but sacrifice the wider basin and ergonomic support. This tub is ideal for buyers who want a straightforward, deep-soak experience in a compact space without extra features.
GarveeLife 63.4" Freestanding Acrylic Soaking Tub
The GarveeLife freestanding tub shifts from a drop-in to a standalone format, requiring different floor support. It weighs 164 pounds, much heavier than the 100-pound Kohler, indicating a more robust build. The width is 33.9 inches, slightly narrower than the Kohler’s 36-inch width. It offers a deep soak with heat-retentive properties, suitable for ergonomic comfort over active jet therapy. You give up the integrated flange and easy alcove installation for a premium standalone aesthetic. This model fits buyers with ample floor space who prioritize deep, warm soaks. It is the best premium choice for those who want a freestanding design with substantial weight and insulation.
WOODBRIDGE 60" Whirlpool Tub with Heater
The WOODBRIDGE tub introduces hydrotherapy features with a whirlpool system and heater, which the Kohler lacks. It shares the 60-inch length and 30-inch width, making it narrower than the Kohler’s 36-inch basin. The height is 21.6 inches, lower than the Kohler’s 26-inch profile. It weighs 103 pounds, similar to the Kohler. You gain targeted jet pressure and consistent warmth for therapeutic soaks. You lose the simple, deep-soak design and molded lumbar support of the Kohler. This model is best for users who prioritize heated water and massage features over a plain, deep-acrylic basin. It suits those seeking active hydrotherapy in a standard alcove size.
Kohler Underscore 60" Alcove Tub
The Kohler Underscore 60-inch Alcove Tub offers a left-hand drain configuration, unlike the right-hand drain of the original drop-in model. It weighs 128 pounds, heavier than the 100-pound drop-in version. The height is 20.3 inches, lower than the 26-inch drop-in profile. It holds 68 gallons of water, providing a substantial soak capacity. It retains the molded lumbar support for ergonomic comfort. You gain an integral flange for easier alcove installation. You give up the drop-in versatility and deeper basin. This model is ideal for buyers who need a left-side drain and value the same Kohler quality in a traditional alcove format without custom decking requirements.
Swiss Madison Voltaire 60" Skirted Soaking Tub
The Swiss Madison Voltaire Skirted Soaking Tub provides a left-hand drain option for alcove installations. It weighs 64 pounds, significantly lighter than the 100-pound Kohler. The height is 18 inches, lower than the Kohler’s 26-inch profile. It features a skirted design that simplifies installation by hiding plumbing. You gain a durable acrylic build and a simple deep-soak experience. You lose the wider 36-inch basin and molded lumbar support of the Kohler. This model is best for users who want a left-hand drain and minimal tiling work. It suits those who prioritize a clean, finished look with a straightforward soaking tub that fits standard alcove spaces efficiently.
Quick picks
Our 7 picks
Kohler Underscore 60-inch Drop-in Tub
Best for: deep soaking with lumbar support
- Type
- drop-in
- Material
- Acrylic
- Length
- 63.1 inches
- Water Capacity
- 60 Or More Gallons
- Color
- White
- Dimensions
- 63.1 × 36 × 26 inches
View on Amazon: Kohler Underscore 60-inch Drop-in Tub Affiliate link
The Kohler 1130-0 is a white acrylic drop-in bathtub with a 60-inch length. It holds 60 or more gallons of water and weighs 100 pounds. The design includes molded lumbar support and a slotted overflow for deep soaking. You can install it as a drop-in or undermount using a separate frame. This model suits those who want a simple, contemporary look with ergonomic comfort.
Pros
- Acrylic construction for durability
- Molded lumbar support for comfort
- Slotted overflow for deep soaking
- Holds 60 or more gallons
Cons
- Requires separate K-590-NA frame for installation
- Heavier at 100 pounds
- Fixed white color only
Good fit if
- You need a drop-in or undermount tub
- You want lumbar support while bathing
- You prefer a simple, contemporary design
Skip if
- You want a freestanding tub
- You need a whirlpool system
- You prefer a skirted design
Verdict: Kohler Underscore 60 in Drop-in Tub offers a deep soak with lumbar support for those installing a drop-in or undermount bath. It fits bathrooms needing a straightforward, ergonomic acrylic tub.
Swiss Madison Voltaire 60" Alcove Tub
Best for: Users needing a stable, apron-style alcove tub
- Type
- Alcove bathtub
- Material
- Fiberglass reinforced acrylic
- Length
- 60 inches
- Drain Location
- Right-hand
- Soaking Depth
- 13 Inches
- Color
- White
View on Amazon: Swiss Madison Voltaire 60" Alcove Tub Affiliate link
This Swiss Madison Voltaire alcove tub measures 60 by 30 inches with a 13-inch soaking depth. It features a right-hand drain and a built-in apron to simplify installation. The fiberglass-reinforced acrylic shell includes an integrated armrest for support. It weighs 68 pounds and stands 22 inches tall. You should choose this model if you need a stable, easy-to-install tub with a comfortable resting spot.
Pros
- 13-inch soaking depth for full immersion
- Integrated armrest for added stability
- Built-in apron streamlines installation
- Fiberglass-reinforced acrylic construction
Cons
- Right-hand drain limits placement flexibility
- Standard 22-inch height may not suit all users
- No heated or whirlpool features listed
Good fit if
- You want a built-in apron to avoid tiling
- You need an integrated armrest for support
- Your plumbing is set up for a right-hand drain
Skip if
- You require a left-hand drain configuration
- You prefer a freestanding or deep soaking tub over 13 inches
- You want heated water or jet features
Verdict: Voltaire 60x30 Alcove Tub with Armrest offers a practical, stable bathing experience with its integrated armrest and apron design. It fits well in standard alcove spaces where right-hand drainage is already established.
DeerValley 60" Acrylic Alcove Tub
Best for: deep soaking in standard alcove bathrooms
- Type
- Alcove Acrylic Bathtub
- Material
- Acrylic
- Length
- 60 inches
- Drain Location
- Left
- Mount Type
- Three-wall alcove
- Color
- White
View on Amazon: DeerValley 60" Acrylic Alcove Tub Affiliate link
The DeerValley is a 60-inch by 30-inch alcove acrylic bathtub designed for three-wall installation. It features a white finish and an integrated apron for a seamless look. The tub offers a depth of 18.1 inches for deep soaking and supports up to 330 lbs. You will appreciate the ergonomic interior and stainless steel frame. It is available in left or right drain configurations to fit your plumbing layout.
Pros
- 60-inch length and 30-inch width provide ample soaking space
- 18.1-inch depth allows for full body immersion
- Acrylic and fiberglass construction retains heat effectively
- Integrated apron eliminates seams and simplifies cleaning
- Stainless steel frame supports up to 330 lbs
Cons
- Standard alcove design lacks freestanding aesthetics
- Manual drain operation without integrated jets
- Requires three-wall installation structure
Good fit if
- You need a deep soaking tub for a standard alcove space
- You want a durable acrylic surface that resists yellowing
- You require a specific left or right drain orientation
Skip if
- You prefer a freestanding bathtub for a central room placement
- You want a whirlpool system with heated jets
- You need a tub smaller than 60 inches in length
Verdict: DeerValley 60x30 Alcove Soaking Tub fits bathrooms where space efficiency and deep soaking comfort are priorities. It suits buyers who want a durable, easy-to-clean tub without the complexity of hydrotherapy features.
GarveeLife 63.4" Freestanding Acrylic Soaking Tub
Best for: Deep soaking in a standalone bathroom layout
- Type
- freestanding
- Material
- acrylic
- Length
- 63.4 inches
- Mount Type
- freestanding
- Color
- White
- Size
- 59 Inch
View on Amazon: GarveeLife 63.4" Freestanding Acrylic Soaking Tub Affiliate link
This GarveeLife soaking tub offers a 59-inch freestanding design in white acrylic. It measures 63.4 inches long, 33.9 inches wide, and 26.8 inches high. The double-walled insulation helps retain heat for longer soaks. Its ergonomic shape includes a contoured backrest for comfort. Adjustable leveling feet allow for stable installation on uneven floors. This tub suits those seeking a deep, standalone bathing experience.
Pros
- Double-walled acrylic insulation retains water heat
- Ergonomic design with contoured backrest for reclining
- Adjustable leveling feet for uneven floor stability
- Non-slip surface meets safety standards
Cons
- Heavier build at 164 pounds
- Longer footprint at 63.4 inches
- No whirlpool or jet features included
Good fit if
- You want a deep soaking tub for relaxation
- You have space for a freestanding unit
- You prefer simple acrylic maintenance
Skip if
- You need a whirlpool or jet system
- You have a small alcove bathroom
- You require a lighter, easier-to-move tub
Verdict: GarveeLife 59 Inch Freestanding Soaking Tub fits buyers who prioritize deep, heat-retentive soaking in a standalone format. Its heavy, insulated build suits those with the floor space and desire for ergonomic comfort over active jet therapy.
WOODBRIDGE 60" Whirlpool Tub with Heater
Best for: Heated hydrotherapy soaks
- Length
- 60 inches
- Drain Location
- Right
- Jet Type
- Whirlpool
- Material
- Acrylic
- Color
- Chrome
- Size
- 60"X30"
View on Amazon: WOODBRIDGE 60" Whirlpool Tub with Heater Affiliate link
This 60-inch alcove whirlpool tub features nine adjustable jets and an inline heater that maintains water at 100°F. It includes seven-color LED lights for chromotherapy and a non-slip bottom. The acrylic construction is reinforced with resin and fiberglass. You get a removable access panel for maintenance and a right-side drain. It suits those wanting heated soaking and hydrotherapy in a standard alcove space.
Pros
- Inline heater maintains water at 100°F
- Nine adjustable water jets for targeted massage
- Seven-color LED chromotherapy lighting included
- Removable access panel for easy maintenance
Cons
- Heater only reaches 100°F
- Standard acrylic material
- No smart app integration
Good fit if
- You want heated water for long soaks
- You prefer hydrotherapy with adjustable jets
- You need a right-hand drain configuration
Skip if
- You require left-drain placement
- You want water hotter than 100°F
- You prefer a freestanding design
Verdict: WOODBRIDGE 60" Whirlpool Tub delivers consistent warmth and targeted jet pressure for users who prioritize hydrotherapy features over high-temperature heating.
Kohler Underscore 60" Alcove Tub
Best for: alcove installs with left drain needs
- Type
- alcove
- Material
- Acrylic
- Length
- 60 inches
- Drain Location
- left-hand
- Water Capacity
- 68 gallons
- Soaking Depth
- 19 inches
View on Amazon: Kohler Underscore 60" Alcove Tub Affiliate link
The Kohler Underscore is a 60 x 30 inch acrylic alcove tub with a left-hand drain. It holds 68 gallons of water and features a 19-inch soaking depth. An integral apron and flange simplify installation and provide a clean look. Molded lumbar support adds comfort. This tub suits those needing a left-side drain in a standard alcove space.
Pros
- 19-inch soaking depth for deep immersion
- Integral apron for a finished appearance
- Integral flange prevents water seepage
- Molded lumbar support for comfort
Cons
- Heavier at 128 pounds
- Left-hand drain only
- Standard 19-inch step-over height
Good fit if
- You need a left-hand drain
- You want a clean integral apron
- You prefer molded lumbar support
Skip if
- You require a right-hand drain
- You want a deeper soak
- You need a lighter tub
Verdict: Kohler Underscore 60x30 Left Drain offers a practical 68-gallon capacity with integral flange for easy alcove installation. It fits buyers who need a left-side drain and value molded lumbar support.
Swiss Madison Voltaire 60" Skirted Soaking Tub
Best for: Left-hand drain alcove installations
- Type
- skirted soaking bathtub
- Material
- fiberglass reinforced acrylic
- Length
- 30 inches
- Drain Location
- left-hand drain
- Mount Type
- built-in apron
- Color
- White
View on Amazon: Swiss Madison Voltaire 60" Skirted Soaking Tub Affiliate link
This Voltaire soaking tub measures 60 by 30 inches with an 18-inch depth. It features a built-in apron for streamlined installation and a left-hand drain. The fiberglass-reinforced acrylic construction offers durability. You get a skirted design that avoids extra tiling. Faucets and drains are sold separately. This model suits those who want a standard alcove size with a deep soak capacity.
Pros
- 60 by 30 inch footprint
- 18-inch depth for soaking
- Built-in apron for easy install
- Fiberglass-reinforced acrylic material
Cons
- Left-hand drain only
- Faucet and drain sold separately
- No overflow drain mentioned
Good fit if
- You need a left-hand drain configuration
- You want a built-in apron to skip tiling
- You prefer a 30-inch width
Skip if
- You require a right-hand drain
- You need a faucet included
- You want a freestanding style
Verdict: Voltaire 60x30 Skirted Soaking Tub fits left-hand drain alcoves with a durable acrylic build. It works well if you want a simple, deep soak tub without extra tiling work.
Specifications side by side
| Spec | Kohler Underscore 60-inch Drop-in Tub | Swiss Madison Voltaire 60" Alcove Tub | DeerValley 60" Acrylic Alcove Tub | GarveeLife 63.4" Freestanding Acrylic Soaking Tub | WOODBRIDGE 60" Whirlpool Tub with Heater | Kohler Underscore 60" Alcove Tub | Swiss Madison Voltaire 60" Skirted Soaking Tub |
|---|---|---|---|---|---|---|---|
| Type | drop-in | Alcove bathtub | Alcove Acrylic Bathtub | freestanding | not stated | alcove | skirted soaking bathtub |
| Material | Acrylic | Fiberglass reinforced acrylic | Acrylic | acrylic | not stated | Acrylic | fiberglass reinforced acrylic |
| Length | 63.1 inches | 60 inches | 60 inches | 63.4 inches | 60 inches | 60 inches | 30 inches |
| Drain Location | not stated | Right-hand | Left | not stated | Right | left-hand | left-hand drain |
| Water Capacity | 60 Or More Gallons | not stated | not stated | not stated | not stated | 68 gallons | not stated |
| Soaking Depth | not stated | 13 Inches | not stated | not stated | not stated | 19 inches | not stated |
| Mount Type | not stated | not stated | Three-wall alcove | freestanding | not stated | alcove | built-in apron |
| Jet Type | not stated | not stated | not stated | not stated | Whirlpool | not stated | not stated |
| Color | White | White | White | White | Chrome | White | White |
| Size | 60 Or More Gallons | 60" x 30" | 60"X30" | 59 Inch | 60"X30" | not stated | 60" x 30" |
| Dimensions | 63.1 × 36 × 26 inches | 60 × 30 × 22 inches | 60 × 30 × 18.1 inches | 63.4 × 33.9 × 26.8 inches | 60 × 30 × 21.6 inches | 60 × 30 × 20.3 inches | 30 × 60 × 18 inches |
| Weight | 100 pounds | 68 pounds | not stated | 164 pounds | 103 pounds | 128 pounds | 64 pounds |
| Model | 1130-0 | SM-AB540 | DV-01T0195L | ZRZYZaW | BS666-R-CH01 | 20201-LA-0 | SM-AP0547GW |
You can evaluate vevor 60 x 24 x alternatives if you need different exterior basin measurements for your space.
Frequently asked questions
Is the Kohler Underscore 60-inch drop-in tub deep enough for soaking?
Yes, it offers deep soaking capabilities with a height of 26 inches. This vertical depth, combined with a capacity of 60 or more gallons, allows for full submersion. The molded lumbar support also enhances comfort during longer soaks compared to shallower models.
How wide is the Kohler 1130-0 compared to standard alcove tubs?
The Kohler 1130-0 is 36 inches wide. Standard alcove tubs in this list, such as the Swiss Madison Voltaire, are typically 30 inches wide. This extra width provides a more spacious bathing area but requires a larger bathroom footprint for installation.
Does the Kohler Underscore tub have a left or right drain?
The model 1130-0 is designed for drop-in or undermount installation and does not specify a drain side in its primary specs. However, the similar Kohler Underscore 60-inch alcove tub (model 20201-LA-0) features a left-hand drain. You should verify the drain orientation for your specific plumbing setup.
What is the weight difference between the Kohler drop-in and the Swiss Madison Voltaire?
The Kohler Underscore weighs 100 pounds, while the Swiss Madison Voltaire weighs 68 pounds. The Kohler is heavier due to its wider 36-inch design and drop-in construction. The lighter Swiss Madison model may be easier to handle during installation in standard alcove spaces.
Can I install the Kohler Underscore in a standard alcove space?
The model 1130-0 is a drop-in tub, not an alcove tub. It is designed to sit into a custom deck or surround. If you need a standard alcove fit, consider the Kohler Underscore alcove model 20201-LA-0, which has an integral flange for direct wall attachment.
Is the GarveeLife freestanding tub heavier than the Kohler drop-in?
Yes, the GarveeLife freestanding tub weighs 164 pounds, which is significantly heavier than the 100-pound Kohler Underscore. This weight suggests a more robust, insulated build. Ensure your floor can support this additional load if you are considering a standalone installation.