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Swellable water bar

Name: Swellable water bar
Brand: SANDHYAFLEX INDIA PRIVATE LIMITED
Price: 180.00 INR
Availability: InStock

Price 180.00 INR/ Meter

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Swellable water bar Specification

Size
10 MM X 20 MM

Material
RUBBER

Thickness
6 Millimeter (mm)

Natural Rubber
No

Color
Red

Ash %
Yes

Usage & Applications
HIGH QUALITY RUBBER Color

Surface Finish
Natural

Hardness
Medium

Swellable water bar Trade Information

Minimum Order Quantity
100 Meter

Payment Terms
Cash in Advance (CID)

Supply Ability
5000 Per Day

Delivery Time
7 Days

Sample Available
Yes

Packaging Details
Color Red S No Dimension Weight/mtr Each Roll Packing in Total Box Weight Kg/Pkd Length Width Thickness CBM 1 20x5mm 140 gram 25 Mtr 25Mtr x6 Nos=150Mtr 21 kg/pkd 0.450 0.45 0.125 0.025 2 20x10mm 280 gram 20 Mtr 20 Mtrx5 Nos=100 Mtr 28/pkd 0.450 0.45 0.125 0.025 3 20x20mm 560 gram 25 Mtr 25 Mtr x 2 Nos=50 Mtr 28/pkd 0.45 0.45 0.15 0.030 4 25 x20mm 700 gram 25 Mtr 25 Mtr x2 Nos=50 Mtr 35/pkd 0.45 0.45 0.15 0.030

Main Export Market(s)
Asia

Main Domestic Market
All India

Certifications
ISO 9001 2015

About Swellable water bar

A Swellable Water Baralso called a hydrophilic waterstopis a flexible sealing material used in concrete construction joints to prevent water ingress. It's especially useful in underground structures, tunnels, basements, retaining walls, and water tanks.

What Is a Swellable Water Bar?

A swellable water bar is typically made from sodium bentonite or hydrophilic polymers that expand when in contact with water. When placed in a joint or around penetrations in concrete, the bar swells to fill the gap, creating a watertight seal.

Key Features:

Feature	Details
Material	Sodium Bentonite Clay, Hydrophilic Rubber (e.g. polyurethane, EPDM-based)
Swelling Ratio	Can swell up to 300500% of original volume
Dimensions	Common sizes: 20x25 mm, 25x25 mm, 10x20 mm, etc.
Installation	Glued or nailed into place before second concrete pour
Water Pressure Resistance	Up to 510 bar (varies by product)

Applications:

Cold joints between concrete pours
Pipe penetrations
Precast segments
Box culverts
Basement slabs and walls
Tunnels and water retaining structures

Advantages:

Self-sealing upon water contact
Conforms to irregular surfaces
Easy to install (can be glued or nailed)
Provides active sealing (expands to fill gaps)
Works in both horizontal and vertical joints

Installation Tips:

Apply on dry concrete only premature contact with water may cause it to swell too early.
Protect during concrete pour to prevent displacement.
For high water pressures, use with PVC or metal waterstops as a secondary barrier.
Some products come with a delayed swell time to avoid early expansion.

Types of Swellable Water Bars:

Type	Description
Bentonite-Based	Swells naturally with water exposure; cost-effective
Polymeric (Hydrophilic Rubber)	More controlled and repeatable swelling; suitable for higher-performance applications
Combination Types	Blend of bentonite and rubber for balanced performance

Example Products (brand types vary by region):

SikaSwell (Sika)
Hydrotite (Adeka)
GCP Swellseal
Fosroc Supercast SW

Would you like help picking a brand, getting datasheets, or installation guides? I can also help you compare types based on your project (e.g., tunnel, tank, basement).

Versatile Sealing Solution

The Swellable Water Bar is engineered for a wide array of construction and water-proofing uses. It forms an effective barrier against water ingress at construction joints, expansion joints, and penetrations, ensuring integrity in both above and below ground structures.

Quality Material and Design

Manufactured from natural rubber with medium hardness and a natural finish, this product combines strength and flexibility. Its 6 mm thickness and 10 mm x 20 mm size make it adaptable for diverse installation requirements, while the red color ensures clear visibility during application.

FAQs of Swellable water bar:

Q: How does the Swellable Water Bar function during installation?

A: The Swellable Water Bar is installed in construction joints where it expands upon contact with water, creating a tight seal that prevents leakage. Its swellable properties make it suitable for structures exposed to high moisture or water pressure.

Q: What benefits does the natural rubber material provide?

A: Natural rubber gives the water bar excellent flexibility, elasticity, and durability. It ensures a long lifespan, resists wear and tear, and maintains integrity under varying environmental conditions.

Q: When should I use a Swellable Water Bar in construction?

A: You should use a Swellable Water Bar whenever theres a risk of water ingress at concrete joints, around penetrations, or in retaining walls. It is especially useful in basements, tunnels, water tanks, and other structures requiring watertight seals.

Q: Where can this product be sourced in India?

A: The Swellable Water Bar is widely available across India and can be obtained through licensed dealers, fabricators, manufacturers, producers, retailers, suppliers, traders, and wholesalers specializing in construction materials.

Q: What is the process for installing the Swellable Water Bar?

A: Installation involves placing the water bar in the middle of concrete joints or around pipe penetrations before pouring concrete. Ensure it is properly positioned for uniform expansion when exposed to water.

Q: What is the recommended size and thickness for typical applications?

A: For most construction needs, the recommended size is 10 mm x 20 mm with a thickness of 6 mm, which delivers optimal sealing performance and versatility in various joint configurations.

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