When wall injection is proposed, you want to understand why it suits your wall. A clear explanation beforehand also makes planning repairs and finishing more straightforward.
Start with the identified cause
Buildwise describes physical damp-proof courses and the injection of water-repellent products among the treatment methods for rising damp. The visible damage alone does not determine which approach is suitable. Ask which findings support the proposal. Buildwise: moisture in buildings and rising damp.
The relationship with the building matters
According to Buildwise, the injection level must account for the outside ground level and the indoor floor level. A higher outside level can require additional attention to lateral water ingress. This is a reason to discuss the area around the wall during the assessment too. Buildwise: injection level for rising groundwater.
Agree on the complete scope of the work
Ask for a description that separates the treatment from subsequent steps. This clarifies what will happen on which day and which decisions will be made later.
- Which parts of the wall will be treated and why?
- What needs to be accessible or cleared beforehand?
- Which damaged finishes are included?
- How will drying, checks and new finishing work be followed up?
- Which warranty and conditions are stated in the quote?
