The surface is then sealed using a penetrative sealant to allow the concrete to breathe, while protecting it from damage and water ingress. A higher grit level defines a more polished, reflective, shining surface. The polished effect is created by using a diamond polishing machine or tools in combination with adding chemical agents to fill holes and smooth the surface once it has cured, being finished to a grit level of 800 or higher.
It is then levelled and refined before being trowelled by hand or machine to smooth and harden, developing a sheen. The joints are filled with flexible sealant to allow for movement. The mixture is poured in small areas over a reinforcement mesh, divided by joints, to prevent cracking. The aggregates, or larger stones and chips also influence the colour to a degree, varying depending on what type of rock fragments are used. The type of cement is the biggest influencing factor in the finished, set colour: Portland cement is the most commonly used, resulting in a classic, cool grey concrete, although white Portland and other cements are available as displayed here.
This beige-white polished concrete texture is created by mixing cement, aggregate, sand and water. The image represents a physical area of 2000 x 1330 mm (78.7 x 52.4 inches) in total. A seamless concrete texture with a polished concrete surface.
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