How To Install Damp Proof Membrane On Concrete Floor

A dpm damp proof membrane is a plastic sheet membrane that sits between a concrete slab or screed and acts as a barrier to stop moisture and contaminants entering a property from the ground.

How to install damp proof membrane on concrete floor.

This barrier is intended to stop moisture passing from one to the other. The easiest solution for damp proofing concrete floors is to install a plastic membrane. You should use them to protect all final floor finishes. Concrete s porous nature means that water from under your home can seep up through your concrete floor making it damp.

These joints are then sealed with waterproof tape. If there was no dpm i would suggest a uniformal distribution across the whole floor. When can a dpm be installed. 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.

Starting at one side of the room unroll the membrane and cut to fit the room as one would a carpet. The next membrane width is rolled out so that the edges of the membrane overlaps. Assuming that the damp proof membrane dpm under the concrete has failed in areas then yes you possibly would get the odd patch of dampness showing in the floor. Installing a damp proof underlay for concrete floors.

Essentially this is a plastic mesh sheet specially formulated to ensure that moisture cannot penetrate. They do however always require a separate floor covering on top and special attention needs to be paid to the floor wall junction detail. 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. All types of floor coverings can be installed on top of a plastic membrane.