The chemical injection usually takes 4 to 8 weeks to fully cure and form a protective barrier inside the wall. Factors Influencing How Long Damp Proof Injection Takes to Work If internal floors are below external ground level, form trenches along the external face of the walls to at least 150 mm below the proposed DPC level (where foundation depth allows). If this approach is not feasible the DPC must be placed at 150 mm above external ground level and the internal walls tanked below the DPC to prevent lateral migration of moisture/ salts. Inject damp-proof cream: A special injection pump injects the damp-proof cream into the holes. The chemical damp proofing cream should be injected slowly and evenly to ensure it spreads evenly through the wall and creates a continuous moisture barrier.

Damp-proof injections are a type of damp proofing that’s used to treat rising damp and manage moisture buildup in the home’s interior. In some cases you are better off using an Air Gap Membrane instead of sand and cement – Information and advice on these membranes and how to use them can be found here. In some cases, the DPC injection is distributed at a faster rate than in others. To help you understand why, we’ve listed the primary factors that affect how long the process takes and even how well it works:

Chemical and Cream Damp Proof Courses

Rising damp can also take place when the DPC installed in your home is lower than the ground level outside, allowing water to seep in above the treatment. What Are the Other Methods of Fixing Rising Damp? To Prevent Structural damage: Damp can cause structural damage, weaken the walls or become more susceptible to collapse. Sealant: A sealant may be applied to the surface of the treated area to protect it against further moisture intrusion.

Consult a professional about which damp-proof injection cream you should use, as it’ll differ from case to case. Nonetheless, the best types on the market are typically those with a high silane concentration, as it plays a significant role in forming a powerful barrier. Does Damp Proofing Cream Need to Be Injected? Inspect the work: The work should be inspected to ensure that the cream has been injected evenly and that the barrier to moisture penetration is effective. Dryzone Damp-Proofing Cream is a water-based silicone cream that spreads through, and bonds with, sand;cement mortar. Any continuous sand;cement mortar line that has been properly treated with Dryzone becomes a damp-proof course. Due to the fact that it is a high strength cream, Dryzone delivers over 5 times more active ingredient to a wall, over a wider area, than other low strength competitors, making it longer lasting and more effective. How Dryzone is Applied Now the second generation DIY damp proofing injection kits including DPC Creams have appeared and for the first time private individuals and developers, builders and DIY enthusiasts can reliably and cheaply inject their own chemical DPC. Consider damp proofing: If you are experiencing persistent damp in your walls, consider having a professional carry-out damp proofing. This will help to prevent moisture from penetrating your walls and causing damage.

Why Do You Need Damp Proof Injection?

You can use Document C as your comprehensive guide for damp-proofing-related regulations, and some of them are as follows:

This usually means that our Timberwise surveyors and technicians have to fix the damp essentially from scratch, which obviously adds to the cost of rectifying the problem. In many older properties a non porous stone was used to build the first few courses of masonry but over the years this stone in many instances has become porous allowing water to be soaked up through it.Not identifying that there is a DPC in place and Injecting another DPC when there is already one functioning damp proof course in place. Drill the injection holes: Make small holes in the wall at the injection points using a drill. These holes should be drilled vertically and deep enough to reach the chemical damp-proof courses. DampSolve DPC Cream is an effective solution for managing rising damp in masonry structures. This high-quality silane-based cream is designed to be injected by hand pressure into specially drilled holes to create a hydrophobic chemical barrier that passivates across mortar joints.