The development of ground floor constructions: part 5 (damp proofing existing ground floors)

Continues to examine the provision of damp proofing in ground‐supported floors. Considers the problems associated with dampness in and damp proofing of floors in old buildings. Examines the options for replacing the original defective floor with a ground‐bearing floor. Indicates that when a new DPM is installed, moisture can be diverted from the underside of existing ground floors to the external walls. Shows that in some instances the provision of a DPM may not be essential in replacement ground floor slabs provided that certain precautions are taken.