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Bostik Boskim is cement based filling and leveling plaster for concrete surfaces. It is applied as a thin plaster to correct minor concrete surface imperfections. Boskim is a two coat system consisting of Boskim Base as a base coat and Boskim Finish as a finishing coat which when properly applied products a smooth non cracking surface thin plaster.


Boskim Base – Boskim Base consists of finely crushed white marble/dolomite, cement, fine graded silica sand aggregates and Boskim aid which consists of alkali resistant additives. Coating thickness: 2mm – 4mm.


Boskim Finish – Similar to Boskim Base, with the exclusion of silica sand and in different proportion of mixture. Coating thickness: 1mm – 2mm.



z Can be used on vertical, overhead and non-traffic bearing horizontal surfaces.

z Can be applied to precast and formed concrete, regular and lightweight block, brick, stone, stucco, gunite, and other concrete and masonry surfaces.

z Typical applications are bridges, parapets, parking garages, tunnels, silos, basements, and building walls.

z It may be used on interior or exterior, above or below grade applications. Used as an alternative to rubbing of concrete surfaces to hide defects and blemishes in architectural concrete.



z Good filing properties

z Excellent workability

z Non combustible

z Non cracking

z Good adhesion to substrates


Packaging: 25kg bag

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