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26 April 2018 - 10:45, by , in Roofing, Waterproofing, Comments off
BACKGROUND Most roofs in Singapore are constructed using reinforced concrete which is known to have pores or capillary tracts. Depending on the designed strength, density and installation techniques, the number of pores can vary. These pores are interconnected within the concrete and water will penetrate through such capillary tracts aided by osmotic effect. Concrete is...