Case Study: Concrete Column Repair
This case-study is a small part of a larger project where a painter/maintenance company had been commissioned initially to repair cracked concrete but instead had patched the job leaving the concrete cancer to continue eating away at the structures. This specific example focuses on a single column to highlight the typical concrete repair process.
The Symptoms
A deep crack had appeared only months after the surface had been painted.
Initial Exploration
Removing the outer layer of concrete revealed a lot of rust but with the reinforcement itself largely intact.
At the base of the column the rust was worse but the metal was still salvageable.
The repair work
The steel reinforcement was first exposed and thoroughly cleaned to remove oxidation.
The reinforcement was then treated with zinc enriched primer to add to its life and anodes were attached to promote deeper protection using electrolysis.
The base of the column was given a similar treatment.
The finish
The column is then sealed properly and re-rendered to match the building.
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This is a case-study of an all too common issue where a problem is identified but not repaired properly when it would have been relatively simple. The concrete cancer is sealed inside the repair job and over subsequent months gets progressively worse. Make sure you get the job done right the first time. Contact Suncoast Concrete Repairs as soon as possible on 0423 53 99 66 for an obligation free estimate.
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