Rebaring — drilling precision holes into existing concrete and grouting in new TMT rebar — creates structural connections between old and new concrete elements in extension, repair, and reinforcement projects. Palakkad Concrete Cutting provides complete rebaring services: diamond core drilling the holes, cleaning, inserting rebar with the correct grout or epoxy resin, and verifying the installation for columns, beams, slabs, and walls across Palakkad and Kerala.
Structural rebar installation into existing concrete — extensions & repairs — Kerala
What is rebaring?
Rebaring (also called rebar dowelling or starter bar installation) is the process of creating structural continuity between an existing concrete element and a new one. It involves: drilling a hole of precise diameter and depth into the existing concrete using diamond core drills, cleaning the hole with compressed air and brushes, inserting a TMT rebar bar of the specified grade and diameter, and fixing it permanently using cement grout, non-shrink grout, or epoxy resin anchor. The result is a bar that bonds to both old concrete and new — allowing the new concrete poured against it to be structurally connected to the original.
What is it used for?
- Column extension starter bars for building extensions
- Beam-to-wall connections for new structural beams
- Slab connection bars for new floor slab pours
- Wall-to-foundation connection bars
- Structural repair — adding bars to cracked or weak elements
- Connecting new retaining walls to existing foundations
- Bridge deck extension rebar connection
- Staircase slab connection to existing walls
Our process.
Structural Specification
Rebar diameter, depth, spacing, grade, and fixing method (grout or epoxy) are specified by the structural engineer. We work to these exact specifications.
Rebar Locator Scan
Existing rebar is located using a cover meter or rebar scanner to avoid drilling into existing bars — a critical safety and structural step.
Diamond Core Drilling
Holes are drilled to exact diameter and depth using wet diamond core drills. Hole diameter is typically rebar diameter + 4–6mm.
Hole Cleaning
Holes are blown clean with compressed air and brushed to remove concrete dust. Clean holes are essential for bond strength.
Rebar Installation & Grouting
Grout or epoxy is injected into the hole, and rebar is inserted and twisted to ensure full coverage. Rebar is braced until grout/epoxy sets.
Verification
Bar position and depth verified. Grout type and batch recorded. Pull-test performed if specified by the engineer.
Cost guide — Palakkad 2026
| Type / Size | Approx. Cost | Notes |
|---|---|---|
| Rebaring 12–16mm bar (per bar) | ₹300–₹600 | Includes drilling, cleaning, grouting |
| Rebaring 20–25mm bar (per bar) | ₹500–₹900 | Larger diameter, deeper holes |
| Epoxy anchor rebar (per bar) | ₹800–₹1,500 | High-strength epoxy fixing |
| Batch rebaring (50+ bars) | Custom quote | Volume discount available |
* All prices are indicative. Final cost depends on site conditions, concrete grade, and accessibility. Contact us for a free on-site quote.
Why choose us for
rebaring in Palakkad?
Common questions.
What is the difference between grouted and epoxy-resin rebaring?
Cement grout is the standard method — cost-effective and adequate for most structural connections when given full cure time. Epoxy resin provides higher early strength, better performance in wet or damp holes, and higher bond strength in high-stress applications. The structural engineer specifies which method to use.
Can rebaring be done in existing occupied structures?
Yes. Diamond core drilling for rebaring produces minimal vibration and contained dust. We carry out rebaring in occupied buildings, hospitals, and active construction sites daily.
How long does the grout or epoxy need to cure before loading?
Cement grout typically requires 7–14 days to reach full bond strength before loading. Epoxy resin anchors reach full strength in 24–72 hours (depending on temperature). The structural engineer specifies the minimum curing time.
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Need rebaring in Palakkad?
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