Ask the Expert Series: Walk-In Showers Part 1- Shower Pans and Bases

Welcome to Part 1 of our Ask the Expert: Walk-In Showers series from the team here at Total Bath Systems!

We’re diving deep into the essential components of a stunning, functional shower stall. We're kicking things off with the very foundation of it all—the shower pan. Whether you’re dreaming up a luxury remodel or planning a practical upgrade, understanding your shower options is a must.

🛁 Curious what a shower base looks like under the surface? Scroll down for a helpful diagram to visualize the different drain placements and base shapes we’ll be discussing.

Not all shower bases are created equal, and the right one makes a big difference in everything from drainage and safety to style and cost. In this post, we’ll break down the types of shower bases, explore popular materials, cover price points, waterproofing, and cleaning—plus explain how we help Connecticut homeowners choose the best fit for their bathroom remodel. Stay tuned at the end for a preview of Part 2—shower walls!

What Is a Shower Pan (or Base), and Why Does It Matter?

Let’s be honest—it’s not the flashiest part of your bathroom, but it just might be the most important.

Let’s start with the basics: what exactly is a shower base? Sometimes called a shower pan, this is the part of your walk-in shower you stand on. Its job is to direct water efficiently into the drain while keeping moisture away from your subfloor.

Even though “base” and “pan” are often used interchangeably, technically the “pan” refers to the waterproof layer underneath the visible base—but in residential remodeling, the terms are generally used the same way.

A poorly installed or misaligned base can lead to mold, leaks, or even structural damage, so this component isn’t one you want to cut corners on. At Total Bath Systems, we specialize in evaluating each client’s layout and recommending the best-fit base to meet their needs, plumbing and design vision.

Types of Shower Bases by Drain Position

Center Drain

Center drain shower bases are the most widely used configuration in residential bathrooms. They’re typically found in square or symmetrical rectangular shower stalls, making them ideal for standard layouts. The centralized location helps distribute water flow evenly toward the drain, ensuring effective drainage even in high-use situations.

Prefabricated center drain pans are available in a wide range of sizes and materials—including acrylic, fiberglass, and solid surface options—making them a go-to solution for many remodels. These bases are particularly cost-effective because they often align with existing plumbing, minimizing the need for costly rerouting. At Total Bath Systems, we offer both ready-made and custom-fit center drain bases, including low-threshold models for improved accessibility. Center drain bases are also well-suited for installations where aesthetics and cost-efficiency must be balanced.

Offset Drain (Left or Right)

Offset drain shower bases feature a drain hole positioned toward the left or right edge rather than the center. These are especially useful in tub-to-shower conversions, where the existing drain was previously aligned off-center with the bathtub. Choosing an offset base allows us to avoid extensive plumbing changes, helping reduce overall labor and material costs.

Available in both standard and custom dimensions, offset pans are frequently made from acrylic or solid surface materials and can also be adapted for tile-ready solutions. Their asymmetrical shape can accommodate corner installations and maximize space in compact or uniquely shaped bathrooms. For example, a right-drain base is ideal when fitting a walk-in shower into a left-corner nook. Learn more about offset options through our remodeling services.

Linear Drain

Linear drains are long, narrow channels typically placed against one wall or across the entrance of the shower. These bases enable a nearly flat floor slope, making them perfect for curbless or barrier-free shower designs. At Total Bath Systems, we often recommend linear drain bases for aging-in-place remodels and ADA-compliant installations, as they allow for seamless wheelchair access.

Linear drain systems are usually paired with custom tile or stone shower floors, but acrylic models with integrated linear drain styling are becoming increasingly available. These drains require a slightly more technical installation due to the need for precise floor grading and waterproofing, but they offer unmatched modern styling. Materials range from stainless steel to cast polymer integrated systems, that are often used in high-end and luxury builds.

Material Options: Pros, Cons, and Costs

Acrylic Shower Pans – The Reliable Workhorse

Acrylic shower bases are made from vacuum-formed sheets of high-gloss plastic bonded to a fiberglass backing. Their non-porous surface resists stains, mold, and mildew, making them extremely low-maintenance. They come in a wide variety of pre-formed sizes, shapes, and drain configurations—including center and offset drains—and are ideal for quick installations.

Acrylic pans are cost-effective, with base pricing typically starting around $500–$900 installed, depending on dimensions and drain location. At Total Bath Systems, we stock premium acrylic bases that include textured anti-slip surfaces and reinforced bottoms for additional stability. While not customizable in shape, they offer the best balance of performance, longevity, and price for most homeowners.

Tile Shower Bases – Luxurious and Customizable

Tile bases offer ultimate customization. Built from a mortar base and covered in ceramic, porcelain, or natural stone tiles, they can be tailored to virtually any size, shape, or drain placement. They're often used in luxury remodels and are the go-to choice when matching custom tile walls or creating a cohesive designer look.

The installation of a tile shower pan involves multiple steps: framing, waterproof membrane application (e.g., Schluter-KERDI systems), mortar sloping, and precision tiling. This makes them the most labor-intensive and expensive option, with installed costs typically ranging from $1,500–$3,500+. That said, they’re perfect for unusual layouts, walk-in wet rooms, and high-end finishes. Learn more about our custom tile work and design services.

Solid Surface / Stone Composite Bases – The Luxe Looke for Less

Solid surface bases are engineered from crushed stone (like quartz or marble) combined with resin to create a durable, seamless structure. They offer a sleek appearance and are available in matte or gloss finishes that resemble natural stone, without the upkeep. These bases are less porous than tile, making them mold- and mildew-resistant.

They’re an excellent mid-range option, with prices typically falling between $1,000–$2,000 installed. Solid surface pans are available in both standard and custom sizes, including low-threshold and ADA-compliant options. At Total Bath Systems, we partner with trusted manufacturers to provide custom-fabricated bases that can be shaped to fit unique spaces while offering spa-level elegance and superior performance.

If you're unsure which base material is right for your project, our expert team is happy to walk you through your options during a free consultation.

Waterproofing, Cleaning & Accessibility Thresholds

Every shower base needs to be completely sealed to prevent leaks. The method varies by material:

- Acrylic and solid surface pans come factory-sealed and require only edge sealing at installation.

- Tile bases need full waterproof membranes beneath the surface tile, like Schluter-KERDI or RedGard systems, and expert sloping.

For cleaning, acrylic and solid surfaces are the easiest to maintain—just a mild cleanser and soft cloth will do. Tile requires grout maintenance and more frequent scrubbing to prevent mold buildup.

In terms of accessibility:

- Acrylic: Many models come with low or no-threshold roll-in designs, perfect for ADA needs.

- Tile: Fully customizable for curbless designs—but requires advanced sloping.

- Solid Surface: Available in low-threshold and seamless styles, ideal for safe, easy entry.

Which Shower Base is Right for You?

There’s no one-size-fits-all answer—but that’s what makes bathroom remodeling fun. It’s all about customizing the space to you.

Whether you’re aiming for a budget-friendly makeover, a sleek modern retreat, or a future-proof design with better accessibility, we can help you sort through your options. From shower thresholds to drain types to enclosure styles, the base is the starting point of your remodel—and we make sure it’s solid.

Let’s build your dream bathroom from the ground up. Start by checking out our full range of walk-in shower options or reach out to schedule a consultation.

🔜 Coming Up Next: Shower Stall Walls – Materials, Styles & Installation

In Part 2 of our walk-in shower series, we’ll dig into shower walls—from low-maintenance acrylic panels to stunning tile patterns. We’ll talk about waterproofing, design choices, and how your walls shape the entire vibe of your bathroom.

Stay tuned—and if you’re ready to start planning, you don’t have to wait for Part 2.

👉 Contact Total Bath Systems now for a free consultation and let’s build something beautiful together!