71-Inch Linear Shower Drain | Drains Unlimited DUFB Series
The Drains Unlimited DUFB Series 71-inch Linear Shower Drain is a professional-grade drainage solution engineered for expansive walk-in and curbless showers. Designed for single-plane slope installations, this 71" drain provides large shower coverage, allowing for the seamless use of large-format tile and natural stone in high-end residential and commercial applications.
Key Features & Engineering
14-Gauge Stainless Steel: Constructed from heavy-duty AISI 304 stainless steel for maximum structural integrity and corrosion resistance.
High-Flow Performance: Features a V-shaped internal bottom to accelerate water flow toward the center outlet.
Low-Profile Design: Engineered for modern curbless entries and thin-set waterproofing integrations.
Electro-Passivated Finish: Superior treatment process that eliminates impurities and prevents rust in high-moisture environments.
Technical Specifications
Specification
Details
Material
14-Gauge AISI 304 Stainless Steel
Drain Length
71 Inches (Finish face to finish face)
Outlet
2-3/8" OD Center Outlet (No-hub coupling)
Grate Width
2-1/2"
Flange Type
Textured bonding flange for secure membrane adhesion
Compliance
UPC Certified, CSA Certified, ASME Compliant
Finishes & Grate Styles
Available in a variety of architectural finishes to match premium bathroom hardware:
Brushed Stainless Steel
Polished Stainless Steel
Black Powder Coated
Matte Brass & Polished Brass (Special order)
Grate Designs: Choose from wedgewire, tile-in tray, or perforated patterns (Square, Weave, Ice, Honey, Earth).
Waterproofing Compatibility
The DUFB Series is fully compatible with major North American bonded waterproofing systems, including:
Schluter-Kerdi
Laticrete Hydro Ban
Mapei AquaDefense
Blanke Aqua-Shield
What's Included
(1) 71" Stainless Steel Drain Body
(1) Designer Grate Cover
(1) Removable Hair Strainer
(1) Grate Puller Key
Applications
Suitable for residential master baths, hospitality projects, spas, gyms, and more. Can be installed on concrete, cement mortar beds, and interior-grade plywood substrates.
Most orders ship the same or next business day. The order processing cut-off time is 4:00 PM PST for most items.
Standard shipping time is up to 5 business days within the continental U.S. (48 states). Weekends and holidays are not included.
For international shipping, Canada, and states outside the contiguous 48 U.S. states, including Hawaii, Puerto Rico, and Alaska, please contact us for a shipping quote.
Important: If your address cannot receive deliveries from USPS, UPS, or FedEx, please contact us before placing your order.
Expedited Shipping Options
For overnight or 2–3 business day expedited shipping, please contact us with the product details and complete shipping address to receive a shipping quote.
