Deep-Penetrating Chemical DPC for Treating Rising Damp in Masonry Walls Biokil Crown Silicone Based Injection Fluid is a high-performance, silane/siloxane damp-proofing solution formulated to combat rising damp in brick, stone, and mortar structures. Designed for injection via pressure or gravity feed, it creates a durable chemical damp-proof course (DPC) by deeply impregnating the wall fabric. Ideal for use where traditional DPCs are absent or have failed, this fluid delivers long-term protection while maintaining the breathability of treated substrates. Key Features & Benefits Proven Damp-Proofing Action: Effectively arrests rising damp by forming a water-repellent barrier within the wall. Silicone-Based Formula: Utilises silane/siloxane chemistry for deep penetration and reliable performance. Flexible Application: Suitable for both gravity-fed and pressure injection systems. Breathable Protection: Allows residual moisture and vapour to escape while preventing further ingress. Ideal for Heritage & Renovation: Suitable for use in sensitive or listed properties where damp control is critical. Product Details Type: Silicone-based injection fluid Base: Silane/siloxane Form: Clear, ready-to-use liquid Application Method: Injection via pump or gravity-fed system Suitable Substrates: Brick, natural stone, blockwork, and lime-based mortar Application Instructions Drill Injection Holes: Horizontally into the mortar bed at the appropriate height (typically 150mm above ground level). Inject Fluid: Use a suitable pressure or gravity injection tool to fill each hole until refusal. Absorption & Reaction: Allow the fluid to diffuse through the substrate and form the damp-proof barrier. Replastering: Once the wall begins to dry, re-finish with a breathable renovating plaster or render. Limitations Do not apply to saturated or frozen walls. Replaster using suitable salt-resistant render to complete the system. Health & Safety Use in well-ventilated areas. Wear appropriate PPE including gloves and eye protection. Refer to the product Safety Data Sheet (SDS) for full safety guidance.
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