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Ensuring Sound and Lasting Concrete Repairs
Monday, June 25, 2018 2:52:27 PM Australia/Melbourne
For concrete repair contractors, premature repair failure is a massive red flag. Not only can this tarnish your reputation as industry professionals, you can also be liable for property damage or personal injury should the faulty repair job cause accidents. Your business may be also charged with the cost of repairs, including your client’s income loss from disruption of operations.
The two most common causes of premature repair failure are incorrect root cause diagnosis and inappropriate selection of repair strategy. To help you prevent these, here is a guide on determining the cause of cracked concrete and as well as possible repair methods.
Assessing a Structure
Gathering information on the damaged structure is key to identifying steps to be taken. Prior to conducting a full condition survey, determine the structure’s history, use, expected working life as well as the clients’ plans for the structure.
Simultaneously, observe for obvious defects and check for unseen issues using concrete tests such as chloride and carbonation reports. If your team has determined that the structure is in poor condition, immediately take measures to ensure that users and passersby are safe.
Upon determining the specific areas of concern, conducting a full diagnostic testing is critical for accurately determining the root cause of the defects. Unless full testing is undertaken, repairs have a high probability of resulting in failure as the solution may only be treating symptoms, delaying the actual remedy for the underlying problem.
It is important to note, however, that the structure’s level of importance, age and condition will be determinants of how much testing is appropriate. But once the survey results are completed, an accurate diagnosis can be given along with the appropriate repair strategy.
Deciding on the Most Suitable Repair Strategy
Aside from determining the concrete’s cause of deterioration, deciding on the most suitable strategy involves considering structural information, health and safety issues, as well as the client’s use of the structure in the future.
If a repair is truly the best course of action, as opposed to partial or complete demolition, the ideal strategy must have a mix of concrete repair procedures as well as concrete improvement and protection of concrete reinforcement from corrosion.
There are several ways to restore concrete’s integrity and prolong its soundness. One is to use coatings and membranes to keep moisture at acceptable levels and increase concrete’s electrical resistivity. Another is to use surface protection to improve concrete’s chemical resistance. Surface protection can also be used to keep concrete dry, reducing its permeability and protecting it against ingress.
Equally important to preventing premature repair failure is selecting the appropriate repair materials, as well as providing concrete and reinforcement with adequate protection from further deterioration and ensuring good surface preparation and proper product application.
If you need help with these areas, Form Direct’s expert team is available to assist you. Having worked with concreting and construction industries, we have expansive industry insight, understanding of regulations and new developments and innovations.
Our team can give you advice on the concrete crack repair products most suited to your application as well as tips on product use and surface preparation.
For expert concrete product advice, contact us today.