Professional-grade damp-proof injection for treating rising damp in masonry walls biodry prosolv is a ready-to-use, solvent-based damp-proofing fluid formulated with poly-oxo aluminium stearate poas for injection into masonry to form an effective chemical damp-proof course dpc . Ideal for use in both brick and stone walls, it penetrates deeply into mortar beds via high- or low-pressure injection. This fast-acting solution blocks rising damp and moisture transfer through capillaries, offering long-lasting protection in existing buildings. Key features & benefits solvent-based formula: delivers rapid penetration and deep diffusion into damp masonry. Ready to use: no dilution required ideal for fast-paced professional application. Versatile application: suitable for high-pressure brick injection or low-pressure mortar bed treatment. Effective in all wall types: performs in brick, stone, solid, and cavity walls of varying thicknesses. Rapid injection: high performance under site conditions with adjustable pressure up to 100 psi . Long-term protection: forms a robust chemical barrier against rising damp in existing structures. Application areas rising damp remediation in brick or stone heritage and retrofit damp-proofing internal and external masonry walls solid, cavity, and thick-section walls preparation & application surface prep: remove skirtings, plasters, damaged renders, and rake out mortar beds to ensure proper penetration. Dpc line: should be at least 150mm above grou...