Sandhyaflex Ribbed PVC Water Stopper

Sandhyaflex PVC Water Stopper is a flexible waterproof sealing product used in concrete construction joints to prevent water leakage in structures such as basements, water tanks, tunnels, dams, swimming pools, reservoirs, retaining walls, and bridges.

( Ribbed Type

Provides strong grip with concrete and better sealing.

Installation Method

1. Fix the water stopper at the center of the concrete joint.

2. Tie it properly with reinforcement steel using wires/clamps.

3. Pour concrete carefully to avoid displacement.

4. Join water stopper ends using a heated blade welding method.

Sandhyaflex PVC Water Stopper


## Main Features

* High flexibility and durability
* Chemical and corrosion resistance
* Excellent waterproof sealing
* Handles expansion and contraction of concrete joints
* Suitable for high hydrostatic pressure areas
* Available in Center Bulb, Ribbed, Dumbbell, and Kicker types ([][1])

## Available Sizes

Common Sandhyaflex PVC Water Stopper sizes include:

* 150 × 5 mm
* 150 × 8 mm
* 200 × 8 mm
* 200 × 10 mm
* 230 × 10 mm
* 240 × 10 mm
* 300 × 12 mm
* 300 × 15 mm ([][2])

## Applications

Used in:

* Water tanks
* Sewage treatment plants
* Dams and canals
* Foundations and basements
* Bridges and retaining walls
* Tunnels and underground structures ([][1])

## Technical Specifications

| Property | Specification |
| ---------------------- | ------------------------ |
| Material | PVC (Polyvinyl Chloride) |
| Hardness | 60–75 Shore A |
| Tensile Strength | Above 12 MPa |
| Elongation | 250%–300% |
| Temperature Resistance | -10°C to +70°C |
| Standard | IS 15058 / ASTM D412 |

([][1])

## Types of PVC Water Stopper

### Center Bulb Type

Used where expansion and contraction movement is expected.

![Image]( Ribbed Type

Provides strong grip with concrete and better sealing.

![Image]( Dumbbell Type

Suitable for large expansion and contraction joints.

![Image]( Installation Method

1. Fix the water stopper at the center of the concrete joint.
2. Tie it properly with reinforcement steel using wires/clamps.
3. Pour concrete carefully to avoid displacement.
4. Join water stopper ends using a heated blade welding method. ([Sandhya Enterprises][3])