Concrete Adhesive
Concrete adhesive is a product specially formulated to bond concrete to concrete, old concrete to new concrete, concrete to brick, and many other materials. Although mortar can be used in these cases, using concrete adhesive/bonding agent is highly recommended because concrete adhesive can create stronger bonds and is much more durable compared to adhesive mortar. Additionally, concrete adhesive can repair cracks and gaps in concrete.
Concrete adhesive is available in various packaging options. Consol offers 1-liter packages for small jobs and larger packages for project work under the Consolbond PVAC brand.
In the construction world, concrete adhesive is particularly useful for joining old and new concrete. Many people without a civil engineering background assume that concrete cannot be joined, leading them to dispose of old concrete unnecessarily. Since many people perform repairs or construction using concrete, Consol will share how to properly use concrete adhesive for joining old and new concrete, so readers need not worry about the quality of the final result.
How to Join Old and New Concrete Using Concrete Adhesive
1. Clean the Old Concrete First
Cleanliness of the old concrete is essential. If the old concrete surface is not cleaned properly, the concrete bond will easily deteriorate and peel off. Ensure there are no residues, dirt, oil, or dust adhering to the old concrete surface. You can use chemical cleaners, liquid detergent, or oil removers to eliminate contaminants.
2. Prepare the Concrete Bonding Agent
Estimate the amount of concrete bonding agent needed by determining the perimeter of the area to be applied. The concrete bonding agent consists of concrete adhesive, water, and cement, with a ratio of (1:1:3) – 1 part concrete adhesive, 1 part water, and 3 parts cement. Mix all three components thoroughly, and it is highly recommended to use a hand mixer for best results.
3. Apply the Concrete Bonding Agent
After mixing the concrete bonding agent, proceed with the application process. Application can be done with a brush, spreading evenly across the entire old concrete surface. It is highly recommended to immediately pour the new concrete mixture while the bonding agent is still wet.
4. Pour the New Concrete Mixture
After the concrete bonding agent has been applied evenly, pour the concrete mixture into the empty section as needed. Don’t worry about poor concrete quality – with Consol’s concrete adhesive product Consolbond PVAC, your concrete will have the quality of seamless concrete. Make sure everything is poured at once to avoid inconsistencies during drying.
With not enough sufficient budget or enough time to repair concrete, don’t worry – joining the new and old concrete using this concrete adhesive is an efficient and economical choice. Be sure to use concrete adhesive products from Consol for the best result.
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