What are the techniques for repairing the peeling edges of the dividing strips on prefabricated terrazzo slabs? Can it be operated by oneself?

The edge of the dividing strip of the prefabricated terrazzo slab can be repaired by adhesive reinforcement method first, which is simple to operate, low-cost, and suitable for self operation; If the dividing strip is severely damaged, the joint repair method should be used, which requires some construction experience. It is recommended to try it carefully or contact professionals. The following are specific repair techniques and feasibility analysis for self operation:

1, Adhesive reinforcement method (suitable for slight looseness or edge detachment of dividing strips)
Material preparation:
Specialized adhesives (such as epoxy resin adhesive, AB adhesive, etc., which should be similar in color to terrazzo).
Cleaning tools (soft bristled brush, neutral cleaner, water).
Auxiliary tools (art knife, sandpaper, plastic scraper).
Operation steps:
Clean the surface: Use a soft bristled brush and neutral cleaner to remove dust, oil stains, and other impurities from the edges of the dividing strip, ensuring that the bonding surface is clean.
Polishing treatment: Use sandpaper to gently polish the edges and peeling parts of the dividing strip, increase surface roughness, and improve bonding strength.
Mixing adhesive: Mix the adhesive according to the product instructions to ensure accurate proportions and even mixing.
Apply adhesive: Use a plastic scraper to evenly apply the adhesive to the edges and peeling areas of the dividing strip, and be careful not to make the adhesive layer too thick.
Compression fixation: Align the edge of the detached dividing strip with its original position, gently press it together, and fix it with tape or heavy objects to prevent displacement.
Curing and curing: According to the curing time requirements of the adhesive, maintain a fixed state until it is completely cured (usually requiring more than 24 hours).
Polishing: After curing, gently polish the repaired area with sandpaper to make it flat and consistent with the surrounding ground. If necessary, polishing treatment can be carried out.
Feasibility of self operation:
Advantages: Simple operation, low cost, no need for special equipment, suitable for small-scale repairs.
Disadvantages: High requirements for the selection and mixing of adhesives, improper operation may affect the repair effect.

2, Jointing repair method (suitable for severely damaged or missing dividing strips)
Material preparation:
Jointing materials that are similar in color to terrazzo (such as specialized jointing agents, cement-based jointing agents, etc.).
Cleaning tools (soft bristled brush, neutral cleaner, water).
Auxiliary tools (art knife, sandpaper, plastic scraper, seam gun).
Operation steps:
Cleaning the surface: Using the same adhesive reinforcement method, remove dust, oil stains, and other impurities from the edges of the dividing strip.
Polishing treatment: Gently polish the edges and damaged areas of the dividing strip with sandpaper to increase surface roughness.
Mixing of joint materials: Mix the joint materials according to the product instructions to ensure accurate proportions and even mixing.
Fill the joint: Use a joint gun or plastic scraper to fill the joint material into the damaged area of the dividing strip, paying attention to even filling and avoiding hollowing.
Scraping treatment: Use a plastic scraper to scrape the filled joint material flat and make it consistent with the surrounding ground.
Curing and maintenance: According to the curing time requirements of the joint material, keep the repaired area dry and avoid stepping on it (usually for more than 24 hours).
Polishing: After curing, gently polish the repaired area with sandpaper to match the glossiness of the surrounding ground. If necessary, polishing treatment can be carried out.
Feasibility of self operation:

Advantages: Good repair effect, can restore the integrity and aesthetics of the grid strip.
Disadvantages: The operation is relatively complex and requires a certain amount of construction experience. If the joint material is selected improperly or filled unevenly, it may affect the repair effect.