The best 36-inch shower base depends on your enclosure layout: a single-threshold base suits a three-wall alcove, while a double-threshold base is designed for a corner installation with two walls. The DreamLine SlimLine is a clear option for buyers seeking a low-profile alcove base and professional installation. Carlton’s square and round-corner pans offer double-threshold layouts, while Goodyo provides single- and double-threshold choices with a stated 3.5-inch height. Compare the threshold style, drain location, dimensions, and whether a drain set is included before choosing.
| Shower base | Best for | Key detail |
|---|---|---|
| DreamLine SlimLine | Three-wall alcoves | 2 3/4-inch height; professional installation required |
| Carlton Marquette square | Square corner showers | Double threshold and integral two-side flange |
| Carlton Marquette round corner | Round-corner enclosures | Double threshold and glossy white finish |
| Goodyo double threshold | Corner layouts needing a center drain | 3.5-inch height; drain set not included |
| Goodyo single threshold | Three-wall layouts | 3.5-inch height; drain set not included |
DreamLine SlimLine 36-Inch Center-Drain Base
This base measures 36 by 36 inches and is 2 3/4 inches high. Its single threshold is intended for a three-wall alcove, and its drain is centered across the width; check the technical drawing for the exact drain position. The white base is cUPC certified and installs directly to studs before backerboard or similar wall material is added.
Best for: Buyers replacing or building a three-wall alcove who want a lower stated base height. It stands out for its clear installation sequence and defined alcove configuration. Limitation: Professional installation is required, and the product information does not describe the drain as centered in both directions.
Carlton Marquette Square Double-Threshold Pan
The Carlton Marquette is a 36-by-36-inch square shower pan with a center drain and double-threshold design. The listed features describe it as suitable for installation between two walls with an open side, a common arrangement for corner shower enclosures. It has a glossy white finish and an integral flange on two sides for waterproofing and structural support.
Best for: Buyers planning a square corner shower who need thresholds on two sides. The two-side flange and center drain are useful details to compare with the wall and plumbing plan. Limitation: The provided product information does not state the pan’s height or provide installation requirements, so confirm those details before ordering.
Carlton Marquette Round-Corner Shower Pan
This 36-by-36-inch Marquette pan combines a round-corner shape with a double threshold and center drain. Its glossy white finish is described as easy to clean and durable. Like the square Marquette option, it includes an integral two-side flange and is intended for a corner configuration with two walls and an open side.
Best for: Buyers whose shower enclosure calls for a round-corner pan rather than a square front. Choose it when the enclosure shape and two-wall placement match the design. Limitation: The listing details provided do not specify the base height or drain-set inclusion; verify both before purchase.
Goodyo 36-Inch Double-Threshold Base
The Goodyo double-threshold base measures 36 by 36 inches and 3.5 inches high. It has a center drain opening with a listed diameter of 3.35 inches. The base is made from acrylic and ABS and has a glossy white finish. A protective film is attached to the surface and should be removed before use.
Best for: Buyers seeking a double-threshold corner base with stated dimensions and drain-opening size. Limitation: The drain set is not included, so plan to source that component separately and confirm it suits the installation.
Goodyo 36-Inch Single-Threshold Base
This Goodyo model measures 36 by 36 inches and 3.5 inches high, with a single threshold and center drain. Its acrylic-and-ABS construction has a glossy white finish. The drain opening is listed as 3.35 inches in diameter, and the surface has a protective film to remove before use.
Best for: Buyers comparing a single-threshold base for a three-wall installation and who want the listed drain-opening measurement. Limitation: The drain is not included. Confirm the threshold arrangement and drain requirements against the shower plan before buying.
Buying Guide: How to Choose a 36-Inch Shower Base
Which threshold style fits the enclosure?
A single-threshold base is intended for a three-wall alcove, where the open side provides the shower entrance. A double-threshold base is designed for placement between two walls with an open side, as in a corner configuration. Match the threshold layout to the enclosure rather than choosing by dimensions alone.
Does the drain location match the plumbing?
All five options list a center drain, but “center” may not establish the exact position relative to every edge. DreamLine specifies that its drain is centered on the width only and advises checking the technical drawing. Goodyo lists a 3.35-inch drain opening, but does not include the drain set. Verify the drawing and drain components before installation.
What height and installation details should you compare?
The DreamLine base is listed at 2 3/4 inches high, while both Goodyo bases are 3.5 inches high. The Carlton product details provided do not state height. The DreamLine instructions specify direct-to-stud installation before backerboard and require professional installation. For the other models, confirm installation instructions and fit with the manufacturer before beginning work.
Should you choose square or round-corner?
Choose a shape that matches the planned enclosure. The Carlton square pan is suited to a square-front corner layout; its round-corner version is intended for an enclosure designed around a curved front. Confirm the shower door or enclosure dimensions separately, since the product details here do not specify enclosure compatibility.
Frequently Asked Questions
Are all 36-inch shower bases the same size?
No. The listed products are described as 36 by 36 inches, but their heights, threshold configurations, shapes, and installation details differ.
What is the difference between single and double threshold?
A single threshold is generally for a three-wall alcove with one open side. A double threshold is intended for a corner installation with two walls and an open side.
Do these shower bases include a drain?
The Goodyo double- and single-threshold listings state that the drain set is not included. Check the Carlton and DreamLine product details to confirm what drain components are supplied.
Which option has the lowest stated height?
The DreamLine SlimLine is listed at 2 3/4 inches high. Both Goodyo models are listed at 3.5 inches; the supplied Carlton details do not state a height.
Should a shower base be professionally installed?
The DreamLine listing specifically requires professional installation. For every model, follow the manufacturer’s installation instructions and confirm the base fits the plumbing and enclosure layout.