Rubber Waterstop
Rubber Waterstop has been used extensively on projects throughout the United States and the world. Starting with projects designed by the U.S. Army Corps. of Engineers and the U.S. Bureau of Reclamation, Rubber Waterstop usage has expanded to all types of concrete structures for the purpose of keeping liquids in or out. SBR Rubber has been used primarily for water containment, while Neoprene Rubber has been used generally for projects involving sewage, water treatment, and chemical environments. Waterstops are also available in other polymers such as EPDM, Nitrile, Silicone, and Natural Rubber. Our High Tensile Neoprene Waterstop provides maximum resistance to Ozone, Sewage, Oil, and Solvents.
We offer a complete line of standard extruded profiles that may be joined using our unique molded intersections. This system provides the flexibility to customize for each application and structure.
We also offer Cal-Trans Strip Waterstop
Physical Properties Chart of Various Polymers
| Property | ASTM Test Methods |
SBR (Styrene Butadien) |
Natural Rubber | High Tensile Neoprene* |
|---|---|---|---|---|
| Tensile Strength PSI (min) |
D412 | 3000 | 3500 | 2500 |
| Tensile Strength at 300% Modulus (PSI min) |
D412 | 1150 | 1450 | 1150 |
| Ultimate Elongation (% min) |
D412 | 450 | 500 | 450 |
| Durometer (Shore A ± 5) |
D2240 | 65 | 65 | 65 |
| Water Absorption, 2 Days at 70°C % Change (% max) |
D471 | 5 | 5 | 5 |
| Compression Set 22 hrs at 70°C % of Original Deflection (max) |
D395 (Method B) |
30 | 30 | 40 |
| Accelerated Aging 96 hrs at 70°C % of Tensile Strength Before Aging (min) |
D573 | 80 | 80 | 80 |
| Accelerated Aging 96 hrs at 70°C % of Elongation Before Aging (min) |
D573 | 80 | 80 | 80 |
| Ozone Resistance 7 Days at 50 PPHM at 70°C, 20% Elongation |
D1149 | no cracks | no cracks | no cracks |
Waterstop Profile Chart:
The profiles below are normally provided in SBR and Neoprene compounds as required. Waterstop is usually provided in 50 ft. lengths. Special profiles and compounds can be provided to meet specific project requirements. WARCO Rubber Waterstop is also available in non-spec commercial grade.
| Profiles | Normal Size (Width x Thickness x Bulb O.D.) |
Polymer | Weight Per Cubic Foot |
Temperature |
|---|---|---|---|---|
|
Dumbell Type 6" x 3/8" 3/4" End Bulbs 152.4mm x 9.5mm x 19mm end bulbs |
Neoprene | 160 | -30°F to +200°F |
| SBR | 130 | -30°F to +200°F | ||
|
Dumbell Type 9" x 3/8" 3/4" End Bulbs 228.6mm x 9.5mm x 19mm end bulbs |
Neoprene | 230 | -30°F to +200°F |
| SBR | 190 | -30°F to +200°F | ||
|
Center Bulb Type 6" x 1/4" 5/8" End Bulbs and 1 1/8" Center Bulb 152.4mm x 6.3mm (15.9mm End Bulbs and 28.6mm Center Bulb) |
Neoprene | 125 | -30°F to +200°F |
| SBR | 105 | -30°F to +200°F | ||
|
Center Bulb Type 9" x 3/8" 1" End Bulbs and 1.5" Center Bulb 228.6mm x 9.5mm (25.4mm End Bulbs and 38mm Center Bulb) |
Neoprene | 300 | -30°F to +200°F |
| SBR | 250 | -30°F to +200°F |
Waterstop Molded Intersections:
| Type |  Dumbell Type |
 Center Bulb Type |
||
|---|---|---|---|---|
| 6" | 9" | 6" | 9" | |
|
C 6" DBU | C 9" DBU | C 6" DBCBU | C 9" DBCBU |
|
C6" DBFC | C9" DBFC | C6" DBCBFC | C9" DBCBFC |
|
C6" DBFT | C9" DBFT | C6" DBCBFT | C9" DBCBFT |
|
C6" DBFE | C9" DBFE | C6" DBCBFE | C9" DBCBFE |
|
C6" DBVT | C9" DBVT | C6" DBCB | C9" DBCBVT |
|
C6" DBVE | C9" DBVE | C6" DBCBVE | C9" DBCBVE |
