Product Highlight & Launch Focus
This listing centers on the GTD-4836B-Ziax's premium black-only ADA-compliant shower pan-crafted for accessible, high-style bathroom spaces. While GTD-4836B is the core model here, we also offer a range of compatible black-finish GTD-B variants (listed below) to suit diverse layout needs. All models feature slip-resistant matte black surfaces, ADA-compliant design, and robust construction-perfect for safety-focused, aesthetically refined projects.

Product Overview (GTD-4836B)
The GTD-4836B is an ADA-certified Glasstone shower base engineered to balance accessibility, durability, and modern design:

Core Purpose

Standard Configuration

Key Edge
Core Specifications Table (GTD-4836B + Alternative Models)
| Model Number | Dimensions (L×W×H) | Core Features | Net Weight (kg) | 20'GP Loading Qty | 40'GP Loading Qty | 40'HQ Loading Qty |
|---|---|---|---|---|---|---|
| GTD-4836B (Core Model) | 48"×36"×4" | ADA-compliant; WP-03 drain; 304 SS cover; black anti-skid slate finish | 18.50 | 175 | 417 | 572 |
| GTD-4848B (Alternative) | 48"×48"×4" | Non-ADA optional; WP-03 drain; 304 SS cover; black anti-skid slate finish | 23.50 | 132 | 315 | 432 |
| GTD-6030B (Alternative) | 60"×30"×4" | ADA-compliant; WP-03 drain; 304 SS cover; black anti-skid slate finish | 21.00 | 168 | 400 | 549 |
| GTD-6036B (Alternative) | 60"×36"×4" | ADA-compliant; WP-03 drain; 304 SS cover; black anti-skid slate finish | 24.00 | 176 | 419 | 460 |
Exclusive Matte Black Finish Details (GTD-4836B)
The GTD-4836B's matte black slate stone finish is purpose-built for performance and style:
Slip-Resistant Safety
Meets global wet-area safety standards (high-friction texture reduces slip risks-critical for accessible spaces where stability is non-negotiable).
Low-Maintenance Design
Matte black hides minor water spots, soap scum, and light scuffs-cutting down on cleaning time for busy households, hotels, or senior living facilities.


Aesthetic Versatility
Pairs seamlessly with:
Industrial decor (exposed metal fixtures, concrete wall tiles)
Modern minimalism (black hardware, neutral matte walls)
Bold contrast schemes (white grout lines, chrome accent fixtures)
Long-Lasting Durability
The finish is embedded in SMC material (not a surface coating), so it resists fading, chipping, or discoloration even with daily heavy use.
Material & Craftsmanship Excellence (GTD-4836B)
Every component of the GTD-4836B is engineered for reliability:
Glasstone + SMC Construction
A composite blend that resists scratches, impact, and temperature fluctuations (0°C–80°C)-suitable for year-round use in diverse climates.
Integrated WP-03 Drain System
The pre-fitted ABS waste drain + 304 stainless steel cover is rust-proof, debris-blocking, and compatible with standard residential/commercial plumbing.
3-Lip 1" Slate Finish
Creates a tight, watertight seal between the pan and surrounding tiles (eliminating leakage risks without compromising the black aesthetic).
ADA-Compliant Low Profile
At 4" tall, the pan eliminates entry barriers-compatible with wheelchairs, walkers, and other mobility aids (meets ADA accessibility guidelines).
Compatible Accessories for GTD-4836B
Enhance the performance and longevity of your GTD-4836B with these Ziax-approved accessories:
| Accessory Model | Description | Key Benefit |
|---|---|---|
| CP-01B | 304 S.S replacement drain cover (118×118) | Matches the pan's black finish; serves as a durable backup for long-term use |
| WP-03 (Replacement) | ABS waste drain (D=5", H=3") | Pre-fitted drain replacement to maintain seamless plumbing compatibility |
| ZX-01 Sealing Kit | Black-matched silicone caulk | Creates a color-coordinated, watertight seal between the pan and wall tiles |
Accessories Pictures



Application Scenarios (GTD-4836B)
The GTD-4836B excels in these use cases:
Residential Accessible Bathrooms
Perfect for aging-in-place modifications (e.g., senior homeowners' en-suites) or family bathrooms needing barrier-free access.
Hospitality ADA Rooms
Low-maintenance black finish suits high-turnover hotel/motel accessible guest rooms (reduces housekeeping workload).
Senior Living Facilities
Slip-resistant surface and ADA height support resident safety in assisted living community bathrooms.
Industrial-Style Commercial Spaces
Complements the aesthetic of boutique hotel restrooms, co-working space accessible facilities, or restaurant ADA restrooms.
Frequently Asked Questions (FAQ)
Q: Does the GTD-4836B require professional installation?
A: We recommend professional installation to ensure proper leveling (critical for ADA accessibility) and watertight sealing with the ZX-01 caulk kit.
Q: Can the matte black finish be polished or refinished?
A: No- the finish is embedded in the SMC material; polishing may damage the anti-skid texture. Light cleaning with neutral detergent is sufficient.
Q: Is the GTD-4836B compatible with glass shower enclosures?
A: Yes- its 3-lip finish provides a stable base for standard glass enclosure tracks (works with both framed and frameless designs).
Q: What is the warranty for the GTD-4836B?
A: Ziax offers a 5-year limited warranty covering material defects (excludes damage from improper installation or abrasive cleaning).
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