Damp Course Floor Level

Have had water staining and mould on the internal wall for some time.

Damp course floor level.

We would like to show you a description here but the site won t allow us. Alex carter new member. Damp below damp proof course level. Discussion in builders talk started by alex carter feb 26 2015.

Generally damp proofing keeps moisture out of a building where vapor barriers keep interior moisture from getting into walls. Apologies i m not a builder just a desperate homeowner. As it dries out the damp retreats slowly back to the points of ingress so if you are not able to see any isolated damp areas either ventilate and heat or shut all the doors and windows and use a dehumidifier. A quick summary checklist.

Damp proofing is defined by the american society for testing and materials astm as a material that resists the passage of water with no hydrostatic pressure. Rising damp and some penetrating damp can be caused by faults to or the absence of a damp proof course dpc or damp proof membrane dpm. Damp proof course above internal floor level. In the uk well built modern houses include damp proofing in the form of a synthetic damp proof course dpc about 15 cm above ground level to act as a barrier through which water cannot pass.

Slate or engineering bricks with a low porosity were often used for the first few courses above ground level and these can help minimise the problem. Waterproof is defined by the astm as a treatment that resists the passage of water under pressure.