The 2.5 litre size of Thompson's Water Seal offers excellent value for medium-sized exterior waterproofing projects, providing professional protection for walls, patios and other masonry surfaces. This mid-range format is popular with both trade professionals and homeowners undertaking substantial weatherproofing work. Utilising advanced hydrophobic technology, this invisible waterproofer penetrates deep into dry porous surfaces to form a breathable membrane. The formulation allows moisture vapo
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