![]() ![]() On some floors including restoration of older concrete, there may be limitations to how deeply the floor can be cut. The finish is the most often chosen when the substrate has been seeded with custom aggregate. Coarse Aggregate finish typically exposes the greatest amount of aggregate in the concrete floor. Approximate surface cut depth 1/16 inch.Ĭlass C – Coarse Aggregate Class C is defined as 80 – 90% Coarse Aggregate and 10 – 20% Blend of Cement Fines and Fine Aggregate. This finish is most often chosen to give the appearance of an aged surface. The Fine Aggregate finish (Salt & Pepper) exposes a spattering of fine aggregate in the concrete floor. This finish is considered a “creamy looking” surface and is the most popular choice for Architectural Ground & Polished floors.Ĭlass B – Fine Aggregate (Also Called Salt & Pepper Finish)Ĭlass B is defined as 85 – 95% Fine Aggregate and 5 – 15% Blend of Cement Fines and Coarse Aggregate. ![]() The cement fines finish typically exposes only the sand particles in the concrete floor. Grinding the concrete to expose aggregate may be considered attractive for a commercial space, but it can be unsuitable for a manufacturing space where dropped fasteners need to be easily spotted on the floor.īelow are the three aggregate exposure levels specified by Concrete Polishing Council CPC for polished concrete floor finishes.Ĭlass A – Cement Fines (Also Called Light Sand / Cream Finish) Class A is defined as 85 – 95% Cement Fines and 5 – 15% Fine Aggregate. Consider the needs and functions of your building when deciding whether aggregate exposure is appropriate. The Aggregate Exposure of the floor represents the amount of aggregate that will be exposed at the surface. Better Ambient Lighting – The High light reflectivity is another important benefit, especially for office, stores, restaurants etc., to project a bright, clean, professional image.It can also be installed while the facility is still in full production. Minimum Downtime – Polished concrete areas can be put into service immediately after process is complete.It typically contains no noticeable VOC’s, making it friendly for any USBG LEED project. Hygiene Friendly – Properly polished concrete can be virtually resistant to fluids, providing waterproof barriers to prevent contaminants from getting to the concrete.The savings are even more significant if you factor in maintenance costs over lifetime. ![]() Highly Cost-Effective – Most polished concrete floor installations are quite cost-effective.Refurbish needs a fraction of the cost of other systems, extending the life much farther. Extended Long Life-Span – Properly maintained polished concrete floor can last years.Less extensive scrubbing or constant refinishing with wax. Less Maintenance, Easy to Clean – Polished Concrete requires minimal maintenance and is very easy to clean.High Resistance to foot traffic means it can stand up to the everyday wear and tear of retail or even industrial work spaces. Very Strong and Durable – Extremely tough and resistant, and is able to withstand the pressure and weight from heavy equipment.Polished Concrete, much like marble, never goes out of style. It can be dyed to match any color scheme. Elegance and Attractive – Looks amazing & professional.Here are some of the benefits of concrete floor polishing: ![]() Simply put, a polished concrete floor system transforms a porous concrete floor into a tightened surface, dense enough to keep water, oil, and other contaminants from penetrating the surface. Dyes designed for concrete polishing are often applied to add color to polished concrete as well as other options such as scoring, creating radial lines, grids, bands, borders, and other designs. The grinding tools are progressive grits of industrial diamonds in a bonded material such as metal/hybrid/resin often referred to as diamond polishing pads.Ĭoncrete is not considered well polished before 800 grit, and it is normally finished to either the 800, 1500, or 3000 grit level. During concrete polishing, the surface is processed through a series of steps (in general, a minimum of 6-8 grinding steps of processing is considered polished concrete) utilizing progressively finer grinding tools. This process also includes the use of a concrete densifier/hardener which penetrates into the concrete and creates a chemical reaction to help harden and dustproof the surface. Polished concrete is concrete that has been processed through a series of mechanically ground “polishing/grinding” steps utilizing professional equipment designed for concrete polishing. ![]()
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