DURABASE® Fiberglass Shower Floors
Corner, Double Threshold
![]() |
![]() |
DURABASE® shower floors create the ideal foundation to build a shower. If you’re looking to create a shower that will be both elegant and provide years of service, start with the best…DURABASE® Shower Floors, exclusively from E.L.Mustee & Sons., Inc.
Design Features:
- Sturdy, 1-piece molded fiberglass construction — ribbed underbody for extra strength, slip resistant Starburst® surface
- Integral molded drain with seal for connection to 2" Sch. #40 ABS, PVC or iron DWV sanitary drain pipe. See optional drain seals for 1-1/2" pipe and 2" copper — removable strainer
- Available in White
- Semi-gloss surface — resistant to mold and mildew, easy to clean
- Designed to be used with Mustee's DURAWALL® shower walls, ceramic tile or preformed wall kit
Compatible products available for DURABASE® shower floors follow the specifications below.
Code Accepted
DURABASE® Shower Floors meet or exceed performance requirements as listed:
International Association of Plumbing and Mechanical Officials® (IAPMO®)- Warnock Hersey® (Canada) Listed – CSA test standards Shower Floor
- American National Standards Institute (ANSI) - Specification ANSI Z 124.1.2
- American Society of Testing and Materials (ASTM) – D.635, E-84 and E-162
- CAN/ULC S102-07 Burn and Smoke Test
Model |
Nom. Size |
Color |
UPC |
A |
B |
|
| 3434DTM | 34" x 34" | White | 6 71031 00098 9 | 34" | 17" | |
| 3636DTM | 36" x 36" | White | 6 71031 00144 3 | 36" | 18" |

General: Furnish and install as shown on plans. DURABASE® corner base with double threshold shower floor model _________ as manufactured by E.L. Mustee & Sons, Inc. Floor to be one-piece, molded fiberglass, made with matched metal molds. Surface to be slip-resistant Starburst® design that does not interfere with the flow of water. Size ____” x ____”. Shoulder will be no less than 3” high or less than 1” wide. Tiling flange will extend not less than 1” higher than the threshold which provides an integral molded water barrier. Threshold will be not less than 4 ½” high. Molded-in drain and drain seal for installation of 2” iron DWV (Sch. 40) PVC or ABS sanitary drain pipe. Removable strainer. Shall meet ANSI Specification Z.124.1.2. Color: White
Accessories
Mustee’s DURABASE® Shower Floors are just the beginning of a beautiful shower space that can be created in virtually any location. The accessory products presented here will help you build the shower of your dreams, starting with Mustee’s renown DURABASE® Shower Floors.
| GapSeal-Pro™ — For all shower floors and bathtubs | ||
| Model No. | Description | UPC |
| 60.320A | 132" long x 2" tall | 6 71031 00496 3 |
| The flexible PVC GapSeal-Pro™ features a strong adhesive strip that allows it to be easily positioned to "extend" the tile flange and effectively seal the gap between drywall or like-surfaces on shower
floors or bathtubs. Patent pending. Click here for more information. |
||
| Drain Seals | ||
| Model No. | Description | UPC |
| 32.404 | Drain Seal for 2" copper pipe | 6 71031 00313 3 |
| 32.405 | Drain Seal for 1-1/2" ABS/PVC pipe | 6 71031 00397 3 |
| Designed to effectively seal the connection between DWV piping and the molded-in drain for all DURABASE® shower floors. Click here for more information |
||
| Strainers | ||
| Model No. | Description | |
| 34.301 | Strainer – Stainless steel | |
| 42.322 | Strainer – Molded plastic - White | |
| 42.323 | Strainer – Molded plastic - Bone | |
| 42.326 | Strainer – Molded plastic - Chrome | |
| 42.327 | Strainer – Molded plastic - Gold | |
| Premium grade, removable strainers. Click here for more information |
||
| 736C DURAWALL® Premium Fiberglass 3-Panel Neo-Angle/ Corner Shower Walls, Direct to Studwall Mount |
|||
| Model No. | Description | Fits DURABASE® | UPC (for wall) |
| 736CWHT | 36" x 36" Deep | 3636DTM | 6 71031 00207 5 |
| Click here for more information | |||
| 237 DURAWALL® Deluxe Thermoplastic 3-Panel Neo-Angle/ Corner Shower Walls, Adhesive-Mount |
|||
| Model No. | Description | Fits DURABASE® | UPC (for wall) |
| 237WHT | Up to 42" x 42" Deep | 3434DTM, 3636DTM | 6 71031 00039 2 |
| Click here for more information | |||
| STYLEMATE® Double Threshold Enclosure for Corner Bases | ||||
| Model No. | Finish | Glass | Fits DURABASE® | UPC (for enclosure) |
| 36.202 | Chrome | Clear | 3636DTM | 6 71031 00404 8 |
| Click here for more information | ||||





