Repair and maintenance of painted steel structures
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Repair and maintenance of painted steel structures
Product catalog summary
Introduction
Regular maintenance and inspection are crucial for ensuring the effectiveness of surface treatments on painted steel structures. This document provides guidelines for maintaining and repairing such structures.
Regular maintenance and inspection are crucial for ensuring the effectiveness of surface treatments on painted steel structures. This document provides guidelines for maintaining and repairing such structures.
Maintenance Schedule
Initial inspection should occur approximately one year after treatment, followed by biennial inspections. Key inspection points include:
Initial inspection should occur approximately one year after treatment, followed by biennial inspections. Key inspection points include:
- Blisters in the paint
- Damage in the paint
- Corrosive attacks
Spot Repairs
Spot repairs are necessary when rust levels reach Ri 1-Ri 3 (ISO 4628-3:1982). Steps include:
Spot repairs are necessary when rust levels reach Ri 1-Ri 3 (ISO 4628-3:1982). Steps include:
- Scraping flaking paint and damaged areas
- Shot blasting or steel brushing affected areas
- Applying primer and topcoat to original film thickness
Repainting
Complete repainting is required when rust levels reach Ri 4-Ri 5. The process involves:
Complete repainting is required when rust levels reach Ri 4-Ri 5. The process involves:
- Sandblasting the entire surface to Sa 2½
- Applying a new paint system
- Repairing the zinc layer with Temazink 99 if necessary
Additional Information
Refer to technical data sheets for specific product details. For further assistance, contact the provider.
Refer to technical data sheets for specific product details. For further assistance, contact the provider.
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Catalog excerpts
Repair and maintenance of painted steel structures
Open the catalog to page 1
Repair and maintenance of painted steel structures To ensure optimum effect of the surface treatment, regular controls and maintenance are required, as necessary. Find advice and instructions here. Should you have additional queries, please do not hesitate to contact us. Sandblast and hot-dip galvanised steel Maintenance To ensure optimum effect of the surface treatment, regular controls and maintenance are required, as necessary. The first control must be undertaken after approximately one year. Then we recommend controls at least every other year, depending on the result of the first control....
Open the catalog to page 2All DOT A/S catalogs and technical brochures
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