Mustee 3660M DURABASE® Shower Base – 36″ x 60″ Fiberglass with Molded Drain
The Mustee 3660M DURABASE® is a one-piece molded fiberglass shower base designed for 36″ x 60″ alcove applications. Built for strength and long-term use, this base includes an integral molded drain assembly and a slip-resistant floor surface with Starburst® texture for enhanced safety. Its structural fiberglass construction is suitable for both residential and light commercial use.
The unit includes a 4-1/2″ threshold and is compatible with standard 2″ Sch. 40 DWV piping in ABS, PVC, or cast iron. Designed for compatibility with tile, pre-formed surrounds, or Mustee DURAWALL® shower wall panels, the base meets applicable plumbing and material safety standards for modern installations.
Key Product Features
- Nominal Size: 36″ x 60″
- Material: Compression-molded fiberglass for impact resistance and dimensional stability
- Surface Finish: Semi-gloss, mold- and mildew-resistant with Starburst® slip-resistant texture
- Drain Assembly: Integral molded drain with removable strainer; connects to 2″ Schedule 40 ABS, PVC, or cast iron DWV systems
- Threshold Height: 4-1/2″ molded curb for barrier containment and accessibility
- Wall System Compatibility: Suitable for use with tile, Mustee DURAWALL®, or other wall systems
Certifications
- ANSI Z124.2017 Compliant
- UPC/cUPC Listed – IAPMO-certified for plumbing code compliance
Installation Considerations
Install on a level subfloor using manufacturer-recommended bedding compound. The drain assembly includes a flexible rubber slip gasket to connect to standard 2″ DWV plumbing. Fasten flanges directly to wall framing. Proper installation by a licensed contractor is recommended to ensure code compliance and watertight integrity.
