Expansion Joint Service
Expansion Joint Waterproofing – PU, Epoxy & Metal Covers
Expansion joints are intentional gaps left between concrete slabs, building blocks, bridge sections, or walls. They allow structures to expand and contract with temperature changes without cracking or buckling.
The Problem: Over time, the original sealant hardens, cracks, or pulls away from the edges. Water seeps through, concrete edges spall (crumble), and the joint stops functioning properly.
Our Solution: We restore expansion joints to their original condition – flexible, watertight, and durable – using advanced sealants, grouts, and cover systems.
Since 2016, we have repaired thousands of expansion joints across residential societies, commercial buildings, and industrial facilities.
Types of Expansion Joints We Service
| Aspect | Details |
|---|---|
| Best For | Failed or hardened old sealant, visible gaps |
| Materials Used | PU sealant, silicone sealant, polymer sealant |
| Process | Remove old sealant → Clean joint → Install backer rod → Apply new sealant → Tool smooth |
| Life Span | 5-10 years |
| Brands | Dr. Fixit PU Sealant, MAPEI PU, Sika PU |
| Aspect | Details |
|---|---|
| Best For | Deep cracks within joint, active water leakage through joint |
| Materials Used | PU grout (for wet joints), Epoxy grout (for structural strength), Polymer grout (for flexibility) |
| Process | Drill injection ports → Inject grout under pressure → Grout fills voids → Seal surface |
| Life Span | 8-15 years |
| Brands | MAPEI Grout, Dr. Fixit Leak Seal, Sika Injection |
| Aspect | Details |
|---|---|
| Best For | High-movement joints, building block joints, precast panel joints |
| How It Works | Foam is compressed during installation, expands to fill joint permanently |
| Advantages | Accommodates 50%+ movement, excellent water seal, no mixing or curing |
| Life Span | 10-15 years |
| Brands | MAPEI Flex Foam, Sika Swell, Pre-Compressed PU Foam |
| Aspect | Details |
|---|---|
| Best For | Basement expansion joints, underground parking, water tank joints |
| Materials Used | Hydrophilic waterstop, PU injection, bituminous membrane over joint |
| Process | Clean joint → Install waterstop → Inject PU grout → Apply membrane reinforcement |
| Life Span | 10-15 years |
Why Choose Us for Bituminous Waterproofing?
Proper diagnosis
We analyze movement, water exposure, and traffic load before recommending materials
Multiple material options
PU, epoxy, polymer, foam, metal covers – we use the right one for your joint
Grouting expertise
For deep or leaking joints, we use high-pressure injection
All project sizes
Single apartment joint to 500+ meter industrial floor joints
Safety Certified
For torch, grouting, and high-access work
Since 2016
Hundreds of successful installations
Clean work
Proper dust control, debris removal, site cleanup
Warranty
Service Warranty +
Product Warranty
Get a free consultation and customized Waterproofing Solution
Get in touch with our expert team today for reliable protection against leakage, seepage, and structural damage.