Transcription of 1. Introduction
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1. Introduction
1. IntroductionIn a survey conducted by BCA in year 2003 involvingabout 10,000 private residential units, water seepagethrough external walls was found to be a commondefect faced by homeowners. The survey findings alsoshowed that the use of single layer brickwall is themost common cause of water seepage through externalwalls. Almost 90% of the water seepage occurredthrough cracks in the plastered brickwalls. In general,water seepage through external walls occurred withinthe first five years of building seepage through the external walls isunacceptable to the occupants. The problem is furthercompounded by Singapore s high humidity andabundant rainfall throughout the year. High windspeeds experienced by high-rise buildings alsoincrease the likelihood of water seepage.
non-shrink grout and an approved self-adhesive compressible waterproofing strip. In addition, an approved flexible cementitious waterproofing membrane may be used at the inner corner of the intersection between the wall panel and beam/slab for enhanced watertightness performance. Self-adhesive compressible waterproofing strip Non-shrink grout
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