Product Resources
Tech-Dry
For Water Repellent Masonry
Tech-Dry Block Emulsion is a real breakthrough in manufacturing technology. Since it’s creation in 1996, Tech Dry has revolutionised the way masonry is made water repellent.
A silicone-based admixture, Tech-Dry delivers water repellency as an integral part of the entire block or paver – not just a surface effect as with surface sealers.
The active waterproofing material is blended right throughout the block or paver and will not break down or wash out over time.
Key Benefits
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Significantly reduces water absorption
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Reduces efflorescence, mould and mildew staining
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Eliminates rising damp at the base of concrete walls
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Appearances close to natural stone can be produced
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Drier (less damp) structures
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Eliminates erosion damage from sea spray or salt-chlorinated pools
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Masonry remains dry and can be laid in wet weather
Demden are New Zealand’s exclusive suppliers of Tech-Dry.
