Dryzone DPC Damp Proof Injection Cream - 310ml

Professional-Grade Damp Proofing Cream for Treating Rising Damp in Masonry. Dryzone Damp Proofing Cream is a high-strength, silane/siloxane-based formulation developed to stop rising damp in brick, stone, and mortar walls. Designed for easy and mess-free application with a standard 310ml cartridge gun, it forms a permanent chemical damp-proof course (DPC) that penetrates deeply into the substrate. Ideal for both professional tradespeople and DIY users looking for a reliable, BBA-certified rising damp treatment.. Key Features & Benefits. BBA Certified: Independently approved for damp-proofing effectiveness (Cert. 97/3363).. Quick & Clean Application: Fits standard 310ml caulking guns – no specialist tools required.. Effective Damp Control: Stops rising damp by forming a chemical barrier within the mortar course.. Suitable for Various Walls: Works in brick, stone, and mixed masonry constructions.. Low Waste: Ready-to-use, non-drip formulation ensures accurate dosing and minimal mess.. Product Details. Size: 310ml cartridge. Form: Silane/siloxane damp-proofing cream. Colour: White (fades as it penetrates). Coverage: Approx. 2.5 linear metres per 310ml cartridge in a 215mm thick solid wall. Application Tool: Standard skeleton or mastic gun. Application Instructions. Drill Holes: Drill 12mm diameter holes into the mortar bed at 120mm centres, typically 150mm above ground level.. Inject Cream: Fill each hole from the back to the front using a smooth, continuous action.. Allow to Cure: The cream will diffuse and cure within the wall, forming a damp-proof barrier.. Replastering: Use a salt-resistant plaster or renovating render after DPC installation if necessary.. Coverage Table. Wall Thickness (mm). Number of 12mm Ø Holes per metre. Depth of Hole (mm). Metres Treated per 310ml Cartridge. 102 (4.5"). 8. 90. 5.0. 215 (9"). 8. 190. 2.5. 328 (13"). 8. 310. 1.5. 440 (17.5"). 8. 420. 1.0. Figures are approximate and may vary based on substrate type and site conditions.. Limitations. Do not use on saturated or waterlogged walls.. Only for use in masonry – not suitable for timber or plasterboard surfaces.. Health & Safety. Use in well-ventilated areas. Wear gloves and eye protection during application. Refer to the Safety Data Sheet (SDS) before use for full handling instructions.