Damp proofing concrete floors above ground damp proofing for extensions.
Fitting damp proof membrane floor.
Damp proof membranes are routinely used during the construction of a concrete floor.
If the slab is in poor condition then the most comprehensive solution is often to replace it and install a new damp proof membrane below.
A damp proof membrane dpm is used to create a barrier between a concrete or screed subfloor and the floor covering that is laid on top such as wood ceramic or quartz tiles laminate or carpet.
Two options are available when faced with a damp floor.
A damp proofing concrete floor solution is particularly important.
Physical damp proof membranes such as oldroyd xs slimline membrane are often quicker and easier to install than using damp proof coatings as they can be installed on still damp surfaces.
Option 1 install a floor membrane.
The approved document suggests that a ground supported floor will meet these requirements if the ground is covered with dense concrete laid on a hardcore bed and a dpm is provided.
It suggests that the damp proof membrane may be above or below the concrete and continuous with the damp proof courses dpc in walls piers and so on.
However typically these are often fairly thin and are sometimes damaged even before they are laid.
When constructing an extension or a new build home it is important that damp proofing measures are taken during the initial construction phase itself.
This barrier is intended to stop moisture passing from one to the other.
These days damp proof membranes are required in the construction of all new buildings to prevent rising damp.
Replace the damp floor.