Rising Damp In Concrete Walls

This water contains salts that also travel up through the wall.

Rising damp in concrete walls.

Rising damp is widely misdiagnosed in existing buildings based on the incorrect interpretation of visual evidence and the readings of moisture meters. Because of a highly successful sales campaign for over 30 years by specialist remedial contractors installing injected chemical dampproof courses this misdiagnosis of rising damp has also become synonymous with a diagnosis of a lack of an injected chemical damp proof course. Rising damp and mould. When rising damp occurs in concrete floors a remedial solution for damp proofing solid floors needs to be found.

Indoor and outdoor use an acrylic brush on membrane dunlop damp proof waterproofing will prevent rising damp efflorescence and will resist negative hydrostatic pressure. This means that ground water is effectively sucked up through tiny tubes in the bricks like a series of straws. Groundwater not only rises through capillaries in walls it can also rise up in concrete floors. If left untreated rising damp can carry soluble salts up into the masonry causing what s known as efflorescence which can eventually destroy foundations and in severe cases result in once solid masonry eroding and crumbling away.

Rising damp rising damp also known as salt damp or salt attack is a natural phenomenon where salty ground moisture rises by capillary action up a brick or masonry structure such as a wall or a fireplace. If you have damp patches bubbling paint crumbling plaster or powdery deposits on wall surfaces close to the floor rising damp is probably the culprit. Rising damp is most often found in older homes that don t have a damp proof course dpc or where a dpc has failed. Right now parts of australia are in the grip of a rising damp and mould scourge.

Drill holes 18 20mm diameter in your walls and as such this method is only really suitable for stable thick stone. Mix the cement based mortar with water to make a slurry and use a plastic heavy duty injection gun to inject this into. It occurs when moisture from the ground travels up through the walls by capillary action. It often happens to older buildings.

Safeguard offers multiple solutions for waterproofing concrete floors in buildings. It has excellent adhesion to most substrates including brick masonry concrete block concrete stone and timber and is simple to apply with a brush or roller. Rising damp usually occurs in masonry. Capillary penetration of fluid from the ground up through concrete or masonry is known as rising damp and is governed by the shape and porosity of the construction materials through which this evaporation limited capillary penetration takes place.

Rising damp is a common problem when water absorbs through a brick foundation and causes damage to your walls.