The SIKA 1 Waterproofer is a ready-to-use structural waterproofing admixture designed for both interior and exterior use. This yellow liquid product, manufactured in the United Kingdom by Sika, is easily dispersed and has a density of around 1.0 g/cm³. With a unit quantity of 5 litres, this waterproofing admixture is perfect for various sealing and waterproofing projects in a range of industrial, commercial, and residential settings. Its high-quality formula ensures long-lasting protection against water penetration, making it a reliable choice for a wide range of applications. I have four 5L bottles. All brand new and sealed. It is £40 per 5L bottle
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