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Crystalline waterproofing materials (Ironway-BW122CW)
Crystalline waterproofing materials are a type of inorganic, rigid waterproof material that offer superior substrate compatibility, non-toxicity, and deep penetration depth, making them highly effective for application in concrete structures . These materials work by reacting with the free lime and moisture in the concrete to form insoluble crystals within the capillary system of the concrete. This process effectively fills any microcracks, pores, and capillaries, preventing water and water-borne chemicals from entering, even under high hydrostatic pressure .
Key features of crystalline waterproofing materials include:
1. Increased Durability: The crystalline technology triggers new crystals to grow and seal any new cracks or pores that form in the concrete, enhancing the building's durability .
2. Versatility in Applications: Crystalline waterproofing systems are highly versatile, suitable for applications such as dry sprinkle, slurry application, or as an admixture .
3. No VOCs: These systems do not contain volatile organic compounds (VOCs) and can be recycled after demolition without leaving harmful residues .
4. Efficient Installation: The installation process is simplified, reducing the time and labor required for installation of protection layers .
5. Cost-saving: The simple installation procedures and lack of need for additional protection layers make crystalline waterproofing cost-effective in the long term .
6. Self-sealing: Crystalline materials are self-sealing, as the concrete itself becomes a water barrier. Any water influx causes more crystals to grow, re-blocking and sealing the passage against water and waterborne contaminants .
7. Long-lasting Protection: The crystalline barrier within the concrete is resistant to water penetration, freeze-thaw cycles, and other common causes of concrete deterioration, providing long-lasting protection .
8. Eco-friendly: As an eco-friendly solution, crystalline waterproofing does not involve the use of harmful chemicals or heavy equipment .
Applications for crystalline waterproofing materials are extensive and include below-grade structures such as foundations, basements, tunnels, as well as swimming pools, water treatment plants, bridges, and other critical infrastructure where water damage can have severe consequences . The choice between topical and integral application depends on project requirements, with integral application being ideal for new construction and topical application suitable for existing structures . In summary, crystalline waterproofing materials offer a durable, self-healing, and environmentally friendly solution to water penetration in concrete structures.
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