DreamLine DLT-113648 SlimLine 36 Inch by 48 Inch Single Threshold Shower Base overview
Upgrade your bathroom with the DreamLine SlimLine single threshold shower base, measuring 36 inches by 48 inches with a center drain. Designed for homeowners and contractors tackling a tub-to-shower conversion or a custom bathroom project, this low profile shower tray delivers a modern aesthetic without the complexity of custom tile work.
Crafted from attractive high gloss acrylic capped ABS and reinforced with sturdy fiberglass, this receptor offers reliable everyday durability and a scratch-resistant surface. Integrated tile flanges simplify waterproofing, while the slip-resistant textured floor promotes safety during every use.
Experience a streamlined installation process and an easy-to-clean foundation that transforms your daily routine. Complete your renovation efficiently with a cUPC certified shower base built to last.
Perfect For
Tub-to-shower conversion projects
Master bathroom renovations
Guest bathroom updates
Custom shower stall layouts
Homeowners seeking an alternative to tile
Contractors looking for reliable pre-formed receptors
Acrylic Capped ABS Material: Provides a smooth, high gloss surface that resists daily wear and tear.
Fiberglass Reinforcement: Adds structural strength beneath the floor for dependable long-term support.
Slip-Resistant Textured Floor: Enhances traction underfoot to help prevent slips and falls during showers.
Integrated Tile Flanges: Built into three sides to simplify water containment and prevent leaks behind walls.
Low Profile Design: Creates a modern, seamless entryway into the shower space.
cUPC Certified: Complies with applicable American and Canadian plumbing codes and standards.
Understanding Integrated Tile Flanges and Waterproofing
When installing a shower base, keeping water where it belongs is the number one priority. Think of integrated tile flanges like the overlapping shingles on a roof. These built-in vertical barriers run along three sides of the shower tray, rising behind the wallboard or backer board. When wall tiles are installed over the flange, any water that splashes against the wall naturally drips down and falls directly inside the basin rather than seeping behind the walls. This simple structural feature provides a reliable line of defense against moisture damage and subfloor rot without requiring complex secondary flashing kits.
Installation Guide
Ensure the subfloor is completely level and clean before setting the shower base in place.
Verify drain alignment with the center drain opening of the 36 by 48 inch base prior to final setting.
Apply a mortar bed or structural support compound as recommended to stabilize the fiberglass-reinforced underside.
Secure the integrated tile flanges directly to the wall studs to prevent shifting during use.
Care & Maintenance
Routine Cleaning: Wipe down the acrylic surface weekly using a soft cloth, warm water, and mild dish soap.
Stain Removal: Treat stubborn spots with a non-abrasive cleaner formulated specifically for acrylic or fiberglass fixtures.
Avoid Abrasives: Never use scouring pads, steel wool, or harsh chemical powders that can dull the high gloss finish.
Rinse Thoroughly: Always flush the basin with clean water after applying any cleaning solution to prevent residue buildup.
Drain Maintenance: Keep the center drain opening clear of hair and soap scum to maintain steady water flow.
FAQ
Q: What are the exact dimensions of this shower base?
A: This model measures 36 inches in width by 48 inches in length with a height of 2 3/4 inches.
Q: Where is the drain located?
A: The drain opening is positioned in the center of the base.
Q: Is the drain assembly included?
A: No, a standard compression fitting drain must be purchased separately.
Q: What material is the base made of?
A: It is constructed from acrylic capped ABS and reinforced with durable fiberglass.
Q: Does this shower tray feature a slip-resistant floor?
A: Yes, it comes standard with a textured floor pattern designed to enhance traction during showers.
Q: Can this base be used with shower doors?
A: Yes, it can be combined with compatible DreamLine shower doors or used in a custom project.
Q: Is this product cUPC certified?
A: Yes, the shower base is cUPC certified to comply with applicable American and Canadian plumbing codes.
Q: How many integrated tile flanges are included?
A: The base features integrated tile flanges on three sides to assist with installation and waterproofing.
What Customers Are Saying
A suburban home in Austin, Texas needed a dated bathtub replaced with a modern, accessible walk-in shower during a main bathroom remodel.
Switching out our old tub for this DreamLine single threshold base completely opened up the room. The low profile step-in makes the bathroom feel twice as large and much safer.
David Miller - Homeowner
Reduced overall bathroom remodeling time by 40 percent compared to custom tile installation.
The low profile look of this base gave our guest bath the exact clean, modern update we wanted.
Sarah Jenkins | Interior Designer
Textured floor gives great grip underfoot, and the fiberglass backing feels very solid during use.
Mark Thompson | General Contractor
Saved us days of work compared to pouring a custom tile pan. The integrated flanges made wall alignment easy.
Carlos Mendez | DIY Remodeler
High gloss finish wipes clean effortlessly and keeps the shower looking bright every day.
Rachel Adams | Homeowner
Solid construction and straightforward installation instructions. Fits standard alcove spaces perfectly.
Kevin OConnor | Property Manager
Elevating Your Daily Shower Experience Through Smart Design
Investing in a high-quality shower base like the DreamLine SlimLine transforms the entire dynamic of your bathroom, moving away from high-maintenance tile grout lines toward a seamless, sanitary surface. Grout lines are notorious for trapping moisture, soap scum, and mildew over time, requiring aggressive scrubbing and chemical treatments. By utilizing a smooth, high gloss acrylic capped ABS surface reinforced with fiberglass, this shower tray eliminates porous crevices where grime can accumulate. The result is a low-maintenance foundation that retains its polished appearance with minimal weekly upkeep, giving you more time to enjoy your space rather than cleaning it.
Beyond everyday convenience, choosing a prefabricated shower receptor supports long-term structural reliability in your home. Custom-built tile pans often rely on multiple layers of mortar, liners, and individual tiles that can shift, crack, or develop slow leaks if any single layer fails. The engineered rigidity of a fiberglass-reinforced acrylic base provides a uniform, stable platform that distributes weight evenly across the subfloor. Combined with integrated tile flanges that direct water safely back into the basin, this shower base offers peace of mind against costly water damage, ensuring your bathroom renovation remains a sound and beautiful investment for years to come.
Why This Is the Right Choice
Lasting Durability Built with fiberglass reinforcement beneath high gloss acrylic capped ABS for sturdy structural support.
Cost-Effective Alternative Eliminates the extensive labor and material costs associated with building a custom tile shower floor.
Streamlined Installation Features integrated 3-side tile flanges that make setup and alignment straightforward for contractors and DIYers.
Certified Safety Fully cUPC certified to ensure compliance with recognized plumbing standards in the United States and Canada.
