Leakproof

PU Injection Grouting

LeakProof offers trusted leak-proofing solutions to protect your property from water damage with expert service and reliability.

PU Injection Grouting –
Advanced Waterproofing for Leak Prevention

Effective Solution for Stubborn Leakages in Hard-to-Reach Areas

PU (Polyurethane) Injection Grouting is a highly effective and advanced waterproofing technique used to stop water leakages, especially in areas where traditional surface treatments are not feasible. This method is ideal for structural cracks, basement leaks, water tank seepage, and sub-surface waterproofing.

If the source of leakage is inaccessible or difficult to trace, negative-side injection grouting becomes the most reliable solution. PU injection works by foaming and expanding, sealing cracks from the inside and preventing further seepage.

Why Choose PU Injection Grouting?

The PU Injection
Grouting Process

1. Identifying the Leakage Area

A thorough inspection is conducted to detect the cracks and leakage points in the structure.

2. Drilling & Preparing Injection Points

Small holes are drilled at calculated intervals to inject the PU grout.
 Injection ports are fixed to ensure deep penetration into the cracks.

3. PU Grout Injection & Expansion

High-quality polyurethane resin is injected under controlled pressure.  The resin expands upon contact with water, forming a waterproof seal.  The foam completely fills the cracks and voids, blocking future water ingress.

4. Sealing & Finishing

Once the injection is complete, the ports are removed, and the surface is sealed.Final inspection ensures the structure is leak-proof and reinforced.

Identify
Leakage

Drilling

Surface
Preparation

Grout
Injection

Sealing

Finishing

Identify Leakage

Drilling

Surface Preparation

Grout Injection

Sealing

Finishing

Why Choose Our PU Injection Grouting Services in Mumbai & Thane?

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