rising damp is a term for any ground water that is drawn upward through the porous building materials such as the cement mortar, bricks etc. In the majority of cases this is a slow process and may be present in the property for quite a few years before any signs of problem begin to appear.
There are a Number of factors that can cause rising damp, it can be because of a breakdown or even a lack of existing damp proof membrane especially in the very old houses and the moisture will bring groundwater salts and other contaminates that can damage building materials and decorations so it is very important to get a damp proof specialist to survey this area.
Signs of rising damp do vary, but you might of noticed damaged skirting boards, perished plaster, peeling paint and wallpaper also wet patches on the walls or white powder like substance caused by the soluble salts.
Penetrating damp is often referred to as rain penetration and occurs through walls, Roofs, windows or door surroundings, this can occur when there are defects in roof tiles, cracked pointing, blocked weep holes or defective seals that then allow water to penetrate and enter the property, or when the external ground abutting the wall is above the internal floor level, this will cause a low level penetrating damp which will usually not exceed 1 meter in height and is not to be confused with rising damp.
There are a number of different symptoms of penetrating damp, and if you see any of these signs then do not hesitate to call us and we will be happy to come survey the area these include damaged internal decoration, blistering or perished plaster, rotting skirting boards or door frames etc.
Condensation damp is among the most common and is caused by moist air condensing onto walls, particularly in kitchens and bathrooms or rooms were there is a lot of air moisture, condensation tends to occur more in the winter when the walls are colder than the air inside and it can be made worse by poor ventilation in the room as well as intermittent heating that is allowing the warm damp air to condense.
There are a number of different signs of condensation damp and you are likely to see the signs in the obvious places that condensation can form, look out for damp walls with blistering paint, damaged and peeling wallpaper a musty smell or damp odour and black spot mould growth, if you are worried that you have any off these signs then do not hesitate to get in touch.
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