Damp is caused by water, which has a source. Very often it is a leak from pipes, drains, gutters or roof. It will be worsened by blocked airbricks, or raising the level of ground or paving above the original real DPC. DPC have been compulsory for about 150 years and don't wear out, so your house probably has one
Sadly silicone injections do not repair any of these faults
It is time to find and rectify the source.
Sadly silicone injections do not repair any of these faults
It is time to find and rectify the source.