Nanotechnology for Waterproofing!
The Construction industry of India is an important indicator of the development as it creates investment opportunities across various related sectors. In India Construction has accounted for around 40 per cent of the development investment during the past 50 years. However, the growth rate in this industry has posed serious questions in terms of availability of quality raw material resulting into poor construction of buildings, bridges, etc.
The Construction Industry is an important indicator of development of any country, as it creates investment opportunities across various related ancillary sectors. In India, construction has accounted for around 40% of the development investment in the past 50 years. However, the growth rate in this industry has posed serious questions in terms of availability of quality raw material resulting into poor construction of buildings, bridges, etc.
With the increase in mega-size projects in major urban areas, the limiting resources used in construction industry, such as soil, cement, sand, bricks and aggregates (all containing silica) are depleting at an exponential rate.
Depletion speed of these resources necessitates innovative mitigating solutions that would ensure and enhance the useful service life of these limiting resources. One of the major threats to the structure is water ingress and the aesthetic and structural damage that it causes, which if prevented can significantly improve the life of all structures.
Water ingress in a structure initiates irreversible chemical changes leading to fungi / algae formation, efflorescence, carbonation, crack formation and rebar corrosion, thereby accelerating the ageing process.
CONVENTIONAL SOLUTION: Common waterproofing agents provide only a film cover on the surface, which is non-penetrative. Concrete pore size is < 100 nm (nanometers). Molecule Size of other waterproofing technologies is above 100 nm, hence they cannot enter & seal the concrete substrate micro and nano pores.
ZYCOSIL+ PENETRATIVE & REACTIVE WATERPROOFING TECHNOLOGY
This New Generation Organosilane is a technological breakthrough. The salient features of this new formulation are:
- Long Useful Service Life (UV stability upto 20 years)
- Water Dilutable – 20 times its volume (cutting transportation cost)
- Easy to Apply (colloquially speaking, is Idiot-proofed, eliminating misapplication)
- Eco-friendly (Meets the toughest Californian VOC norms)
- Affordable (Can be even considered for Low-cost Mass housing)
ZYCOSIL+ is a reactive organosilane technology, with a molecular size of 4-6 nm. ZYCOSIL + upon contact reacts with the siliceous substrate reacts chemically with the substrate and permanently changes its properties from a water loving (hydrophilic) to water resisting (hydrophobic) substrate.
The treatment results in a permanent polarity change of the surface changing its nature from hydrophilic to hydrophobic.
This makes the structure permanently water resistant, resulting prevention of water ingress and the damages caused by it and significant extension of the service life of the structure.Even soil at the foundation base can be waterproofed, before pouring of PCC, to give additional stability against settlement.
One may wonder that application of this technology is really expensive and extremely difficult to apply, but in fact, this is absolutely reverse. This technology is easy on pocket (cost of application per sq. ft. is extremely competitive) and most importantly it is very easy to apply on both – horizontal and vertical surfaces, easing the job of the applicators.
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