Damp Proof Membrane Under Suspended Wooden Floor

Damp rising through concrete floor slabs is fairly common causing damp issues on carpets and floor coverings warping wooden floors and increasing the likelihood of low level mould growth.

Damp proof membrane under suspended wooden floor.

Blockages under suspended floors are caused by rubble and arisings left behind after some form of construction by a contractor or someone doing diy. This can happen under both timber and solid suspended floors. In his latest article on damp in buildings michael parrett looks at the problems caused by blockages under suspended floors and external through wall air vents. Damp proofing concrete floors above ground damp proofing for extensions.

Effectively a thick plastic sheet a damp proof membrane dpm is used to create a barrier between a concrete or screed subfloor and a wood floor. This article is going to make clear the difference between a damp proof membrane and a vapour barrier that are considered the best ways to deal with rising moisture and protect sensitive floor coverings from associated damaged. If there was no dpm i would suggest a uniformal distribution across the whole floor. I mentioned this to my plasterer and he said you ve got quarry tiles and will need to dig up the floor and put in a damp proof membrane.

When constructing an extension or a new build home it is important that damp proofing measures are taken during the initial construction phase itself. These days damp proof membranes are required in the construction of all new buildings to prevent rising damp. 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. Mainly solid sub floors such as concrete.

Effectively a damp proof membrane dpm is used to create a barrier between a concrete or screed subfloor and a wood floor. The damp proof membranes used during construction of concrete floors are often thin and can easily become torn before they are laid rendering them. Hi we are currently renovating a 1930 s semi. Damp proof membranes dpms can be used to help resolve damp issues which already exist or to avoid damp or moisture problems in the future.