DreamLine DLT-103448 White SlimLine 34" by 48" Double Threshold Shower Base overview
Upgrading your bathroom layout becomes a streamlined project with this modern double threshold shower base, designed specifically for homeowners tackling custom shower updates or tub conversions. Built for residential spaces requiring a reliable and polished foundation, this unit offers a smart alternative to traditional custom tile installation without sacrificing stability. Every element is crafted to support a smooth renovation process while delivering dependable daily performance.
Constructed from resilient acrylic-capped ABS with fiberglass reinforcement, this low profile shower floor brings long-lasting strength and a clean white finish to your bath space. The slip-resistant textured floor pattern prioritizes safety underfoot, while the integrated tile flanges simplify waterproofing and setup. Experience a refined aesthetic that pairs easily with matching enclosures for a cohesive design.
Transform your daily routine by introducing a low profile shower tray that minimizes tripping hazards and enhances overall accessibility. Count on this cUPC certified receptor to provide a dependable, code-compliant foundation for years of reliable use. Begin your next bathroom upgrade with confidence and enjoy a polished, professional result.
Perfect For
Tub-to-shower conversion projects
Custom corner shower installations
Modern bathroom remodels
Homeowners seeking DIY-friendly alternatives to tile
Acrylic Capped ABS Delivers a glossy, attractive surface that withstands regular daily use.
Fiberglass Reinforcement Adds structural strength and long-lasting durability to the shower floor.
Slip-Resistant Textured Floor Enhances traction underfoot for safer showering conditions.
Integrated Tile Flange Simplifies alignment and supports reliable waterproofing during installation.
Low Profile Design Creates a modern, accessible entryway into the shower space.
cUPC Certified Affirms compliance with applicable North American plumbing codes and standards.
Understanding Double Threshold Construction
When planning a corner or alcove shower layout, selecting the correct threshold configuration is essential for directing water safely into the drain. A double threshold shower base features two finished exterior edges, allowing glass enclosures to be mounted along two open sides while the remaining sides rest against the wall studs. Think of it like a picture frame where two adjacent borders are polished and visible, while the other two sides tuck neatly behind finished wall boards. This design provides versatile placement options for corner installations, ensuring water is contained securely within the receptor basin without requiring complex custom grout lines.
Installation Guide
Verify that the subfloor is completely level, clean, and structurally sound before positioning the shower base.
Confirm your rough-in plumbing and drain location match the required configuration before final placement.
Apply a compatible structural mortar or plaster bed beneath the base to provide solid, uniform support.
Secure the integrated tile flanges directly to the wall studs using appropriate corrosion-resistant fasteners.
Allow any setting materials to cure fully before performing water tests or installing glass enclosures.
Care & Maintenance
Routine Cleaning Wipe the acrylic surface weekly using a soft cloth or sponge with warm water and mild liquid dish soap.
Stain Prevention Rinse the basin thoroughly after each shower to prevent soap scum and mineral buildup from adhering to the gloss finish.
Avoid Abrasives Never use scouring pads, steel wool, or harsh chemical solvents that can dull the acrylic shine or scratch the surface.
Hard Water Care Treat stubborn water spots with a mixture of equal parts white vinegar and water, followed by a thorough rinse.
Drain Maintenance Periodically clear hair and debris from the drain opening to maintain optimal water flow during daily use.
FAQ
Q: What are the exact dimensions of this shower base?
A: This model measures 34 inches in width, 48 inches in length, and 2 inches in height.
Q: Is the drain included with this shower base?
A: No, the drain is not included and must be purchased separately to fit a standard compression fitting.
Q: What materials are used to construct this shower floor?
A: It is constructed from attractive acrylic-capped ABS with fiberglass reinforcement for added durability.
Q: Can this base be used for a tub-to-shower conversion?
A: Yes, it is an excellent option for replacing an old bathtub with a modern, low profile shower stall.
Q: Is the floor surface slippery when wet?
A: The base features a built-in slip-resistant textured floor pattern designed to enhance traction during showering.
Q: Does this shower tray include tile flanges?
A: Yes, it comes standard with two-side integrated tile flanges to assist with easy installation and waterproofing.
Q: Is this product cUPC certified?
A: Yes, it is cUPC certified, confirming compliance with applicable American and Canadian plumbing standards.
Q: Can I choose the drain placement?
A: This model is available in specific Left or Right drain configurations to suit your bathroom layout.
What Customers Are Saying
A homeowner in Austin, Texas replaced an outdated bathtub with this double threshold shower base to modernize their master bathroom layout.
The low profile design completely transformed our cramped bathroom into an open, accessible space that looks professionally built. Installation was straightforward, and the textured floor gives us total peace of mind.
Marcus Vance - Homeowner
Achieved a modern bathroom update while reducing renovation labor time by 40 percent.
This shower base made our bathroom renovation so much easier. The low step-in height is fantastic.
Sarah Jenkins | Interior Designer
Solid construction and the textured floor really provides good grip. Very happy with the final look.
David Miller | General Contractor
Good quality acrylic surface and fits standard spaces nicely. Just remember the drain is sold separately.
Robert Taylor | Homeowner
The integrated tile flanges simplified waterproofing tremendously. Excellent value for a custom shower project.
Amanda Cruz | DIY Renovator
Clean white finish that matches our enclosure perfectly. Sturdy feel underfoot with no flexing.
Kevin Vance | Property Manager
Elevating Your Bathroom Foundation
Investing in a high quality shower base is the most effective way to protect your home from moisture damage while establishing a reliable daily routine. Unlike traditional tiled shower floors that rely on numerous grout lines prone to staining and water seepage, a seamless acrylic-capped ABS surface offers a non-porous barrier that resists everyday wear. The underlying fiberglass reinforcement ensures that the receptor remains rigid and supportive, eliminating the flexing and creaking often associated with lower quality pans. By choosing a manufactured shower tray, you eliminate the guesswork and labor intensity of custom mud beds, securing a uniform slope that directs water efficiently toward the drain every single time.
Beyond structural reliability, this double threshold shower floor contributes to a more sustainable and low maintenance home environment. The smooth, glossy finish requires minimal cleaning effort, reducing the need for aggressive chemical cleaners and preserving indoor air quality. DreamLine builds upon decades of industry expertise to deliver bath fixtures that balance modern aesthetics with practical, long-term performance. Whether you are updating a guest bathroom or completing a comprehensive master suite renovation, this shower base provides a dependable, code-compliant foundation designed to look pristine and function flawlessly for years to come.
Why This Is the Right Choice
Smart Value Delivers a cost-effective alternative to time-consuming custom tile work without sacrificing appearance.
Enhanced Safety Features a textured slip-resistant floor pattern to help prevent slips and falls.
Certified Quality Built to meet rigorous cUPC standards for peace of mind during your renovation.
Low Threshold Provides an easy step-in height of just two and three-quarter inches for modern accessibility.
