Dry method of concrete floor restoration

B - Operations – Transporting – 24 – B

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B24B 1/00 (2006.01) B24B 7/18 (2006.01) B24B 7/22 (2006.01) B24B 55/06 (2006.01)

Patent

CA 2448801

A dry method of concrete floor or concrete surface restoration uses the process of grinding a concrete surface to be resurfaced while extracting and retaining dust during the grinding process. The grinding process is repeated each time using finer grinding grit until a preselected degree of smoothness of the concrete surface is achieved. A sealer is applied to the concrete surface which has been ground to the predetermined degree of smoothness. In a preferred embodiment, two coats of sealer are applied andthe sealer is preferably a water-based, odorless, penetrating alkaline siliconate solution. The method of the present invention limits down time to aisles and main areas during the restoration process, as well as limiting the dust and odor during the process to provide a lustrous smooth surface on the concrete.

L'invention concerne un procédé à sec de restauration de dalle ou de surface en béton au moyen d'un processus de broyage d'une surface de béton, dont la surface est à refaire, avec extraction et retenue de la poussière dégagée par le broyage. Le processus de broyage est répété avec l'obtention, à chaque répétition, d'un grain de broyage plus fin jusqu'à une degré déterminé du lissé de la surface de béton. Un apprêt de scellement est appliqué à la surface de béton broyée au degré de lissé déterminé. Dans un mode de réalisation préféré, deux couches d'apprêt de scellement sont appliquées et l'apprêt est, de préférence, une solution de siliconate alcalin pénétrant, à base aqueuse et sans odeur. Le procédé de l'invention permet, lors du processus de restauration, de limiter le temps d'indisponibilité d'allées et de zones principales, ainsi que la poussière et l'odeur, et d'obtenir une surface de béton au lissé lustré.

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