Anti-Carbonation Explained: The Shield for Your Building
Blocking the Silent Killer
Carbonation occurs when atmospheric CO2 reacts with concrete, lowering its pH and leaving the steel reinforcement vulnerable to rust. Anti-Carbonation Coatings act as a one-way breathable membrane.
Key Features of 2026 Systems:
- CO2 Diffusion Resistance: Scientifically tested to block carbon dioxide molecules while allowing internal moisture vapor to escape.
- Crack Bridging: Elastomeric properties that allow the coating to stretch across moving hairline cracks without snapping.
- Alkali Resistance: Designed to bond permanently with cementitious surfaces without peeling or chalking.
Frequently Asked Questions (FAQ)
Standard paint is often porous to gases. Anti-carbonation coatings are specifically engineered to have a high 'Equivalent Air Layer' thickness against CO2.
While not always law, most 2026 structural audits for buildings over 10 floors now recommend anti-carbonation treatment for the entire facade.