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+91-8755475716 WhatsApp Us Send EnquiryDelhi's older buildings carry decades of concrete problems: cracked basement slabs that leak after rain, parking ramps with broken edges, shop and warehouse floors full of potholes and crumbling joints. Most of these can be repaired without breaking out and recasting the concrete. The trick is choosing the right repair for each kind of damage, and a lot of repairs fail because the wrong material was used.
| Damage | Usual repair |
|---|---|
| Dry, stable cracks | Low-viscosity epoxy injection or gravity filling |
| Cracks leaking water | Polyurethane injection, which reacts with water and seals |
| Cracks that open and close | Flexible sealant or PU-based repair |
| Potholes and spalled areas | Cut to shape, prime, fill with epoxy mortar |
| Broken joint edges | Rebuild arrises with epoxy mortar, then seal joint |
| Exposed, rusting reinforcement | Clean steel, treat against corrosion, rebuild with repair mortar |
Epoxy is strong and rigid, which is perfect for bonding stable concrete back together. It is the wrong choice for a crack that is still moving or wet, and that is where many Delhi repair jobs go wrong.
Basement slabs and walls in Delhi often crack, and during the monsoon those cracks bring water in. Filling a wet, leaking crack with epoxy rarely works, because epoxy needs a dry surface to bond. For these cracks we use polyurethane injection: resin is pumped in through small ports drilled along the crack, where it reacts with the water and expands to seal the path. Once the leak has stopped, the surface can be repaired and coated.
Ramps and driveways take braking and turning forces that break up concrete edges and surfaces. We cut out damaged sections with square edges, prime them and rebuild with epoxy mortar, which reaches usable strength quickly. That matters when a building can only close a ramp overnight.
Older commercial and industrial buildings in Okhla, Naraina, Mayapuri and Wazirpur often have floors with potholes, crumbling patches and open joints. After repairs, the floor can be left as it is, densified or coated, depending on budget and use.
Most of our Delhi repair work happens in buildings that stay open. We plan around that by:
Some cracks are cosmetic, and some point to a structural problem. Wide cracks, cracks that are growing, or cracks in beams, columns or suspended slabs should be looked at by a structural engineer before any floor repair. We will tell you if we think that's the case. Floor repair shouldn't hide a structural issue.
Often yes, with polyurethane injection from the inside face. Very large or multiple leaks may need a broader waterproofing solution.
Epoxy mortar repairs usually reach usable strength within about a day, depending on temperature. We confirm for each job.
Yes, repairs usually look different from the original concrete. If appearance matters, a coating over the whole area gives a uniform finish.
Call +91-8755475716 or send photos of the damage on WhatsApp. More details are on our damaged concrete repair epoxy page.
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