Swellable Water Bar & PVC Waterstop Supplier in Patna, India
Flexverse Polymers supplies premium hydrophilic swellable water bars, swellable water bars, & PVC waterstops to contractors, waterproofing consultants, and builders across Patna, Bihar.
Patna lies on the south bank of the Ganges with a consistently high water table. Metro rail construction and government infrastructure projects in the city specify embedded waterstop strips and hydrophilic swelling bars at every underground slab and tunnel section.
Products Available in Patna
Hydrophilic Swellable Water Bars
High-performance hydrophilic swellable water bars engineered for active concrete joints.
PVC Waterstops
Flexible PVC seals for concrete joints, preventing water ingress in subterranean structures.
Swell Bar Technical Details
Expands. Seals. Protects.
Available Series
Bentonite Series
Natural bentonite base catalyses swelling for effective sealing.
- High swelling rate
- Cost-effective
Polymer Series
Premium polymer base provides robust build for challenging conditions.
- Superior durability
- Rugged construction
Saline Series
Specialised formulation designed for saline water environments.
- Saline resistant
- Coastal areas
Applications in Patna

Tunnel Structures
Railway, metro, highway, and hydropower tunnels

Water Management
Treatment plants, drains, sewers, culverts

Retaining Structures
Reservoirs, dams, canals, water tanks

Masonry Works
Construction joints, pipe penetrations

Subterranean
Basements, underground car parks

Industrial
Chemical plants, storage tanks