A well prepared surface shall be suitable for application and adhesion of the coating system. Concrete damaged by exposure to chemicals, contaminated by any substance or unsound in any way shall be removed to expose sound concrete.
It may be necessary to combine achieving the right surface profile and removal of contamination.
Several different methods:
Dust Free Captive Blasting |
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Surfaces are impacted and abraded by various sized abrasives. Dust, dirt, laitance and contamination is collected and stored by a separate vacuum unit. Different size units are available.
| Benefits | Limitations |
• Produce xcellent profile
• Dust free
• No water used
• Fast
• For large and small areas | • Less effective on uneven floors |
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A combination of procedures may be required including those above and the following:
- Use of decreasing chemicals
- Steam cleaning
- Hot compressed air unit
- Detergent scrubbing
- Flame cleaning
For further information, contact your local Jotun Technical Department.
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