Approved Contractors
All CGS contractors are approved to offer insured guarantees for remedial treatment against wood rotting fungi, wood boring beetle, rising damp, remedial wall ties, stitching and lateral restraints and certain specially trained and qualified contractors can insure their guarantees for structural waterproofing (tanking) - see separate list under Specialist Structural Waterproofing Group.
for a regional list so you can identify a contractor in your area.