This bundle contains 1 Stormdry Masonry Protection Cream (20L) and SoluGuard Multi-Surface Biocide (5L) – to treat 100 m². Coverage varies depending on substrate porosity.Protect exterior walls from the twin threats of damp and organic growth with this two-part Stormdry & Soluguard treatment bundle.Stormdry Masonry Protection Cream is a high-performance water repellent that penetrates deeply into brick, stone, concrete and masonry, forming an invisible barrier that resists penetrating damp for up to 25 years. Its breathable, colourless formula allows water vapour to escape while locking out moisture, ensuring walls stay warmer, drier and more energy efficient. Just one coat is required, applied by brush, roller or spray. Stormdry is the only BBA-approved cream-based water repellent, backed by proven long-term performance.To prepare surfaces and prevent biological regrowth, the bundle includes Soluguard Multi-Surface Biocide. This powerful, ready-to-use cleaner eliminates algae, mould, fungi and lichens from patios, render, stonework, timber and more. It can also be used indoors to kill black mould.