Construction World January 2019

for road repairs, and can be used as a long lasting, durable and cost effective filler for deep base repairs also. He emphasises that cold asphalt can

also be put down as bulk material. National Asphalt has pioneered the

use of Cold Mix over larger areas, paving a whole section of road while maintaining the surface’s integrity and longevity. There are also

environmental benefits inherent in the product as the ingredients are solvent-free, constituted rather with organic compounds. This makes the mix safer to handle and more environmentally friendly. “We carefully control the production of Cold Mix through our ISO rated systems, so that it is workable, stable and consistent, providing a quality product for our customers,” says Bennett. “Manufacturing processes at National Asphalt are carefully documented with regular audits conducted to ensure that quality standards are maintained, and that output is traceable.” 

for job creation and skills transfer,” says Bennett. The product does not require any mixing equipment on site, and can be stored for up to two years. This makes it a valuable proposition for remote rural areas which have no asphalt plants nearby. The Macfix® additive allows the mix to remain workable in temperatures as low as -10˚C. It is also less costly in terms of energy, as no heating is required in the preparation or storage of the mix. The material is supplied in a 7,1 mm and 10 mm wearing course

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CONSTRUCTION WORLD JANUARY 2019