Quick Answer: What Are The Signs Of Rising Damp?

What is the cause of rising damp?

Rising damp is caused by the rising of groundwater through capillaries in masonry.

As this has been a well-known problem for some years, buildings these days are built with a DPC .

However, rising damp can still occur, especially in older buildings.

The cause of this is often a faulty or non-existent DPC ..

Is it expensive to fix rising damp?

How much does it cost to fix rising damp? The cost of repairs can vary depending on the severity of the problem, but a rule of thumb is to budget about $300 per metre. A terrace house with significant rising damp issues throughout can cost up to $10,000 to repair.

Can you sell a house with rising damp?

As long as the buyer doesn’t reduce their offer, this is a good outcome for the seller. In severe cases of rising damp, mortgage companies won’t lend and that means the seller will either need to carry out the work themselves or sell to a cash buyer.

How quickly does rising damp spread?

The mould that the moisture causes spreads very fast in the right conditions. The rising damp itself will spread and rise over the course of a few months if left completely untreated. Over a few months, it can rise up to 1.5m if nothing is done about it.

Can you paint over rising damp?

Using high quality mould and damp proof paint on internal walls can combat rising damp causing fungal growth, mildew and discolouring mould. Although these paints can’t directly prevent rising damp they can limit the impact on the rest of your property before, during and after dealing with it.

What happens if rising damp is left untreated?

If left untreated, rising damp can cause extreme damage to the structure of your property. … Rising damp can destroy decoration, plaster and can cause rot to the timber within your home. For example, a raised flower bed against a wall might result in soil being piled up above the level of the DPC.

Is Rising Damp dangerous?

Rising damp is a serious problem that affects all the inhabitants of the house and can even cause respiratory problems, allergies, asthma, pain and even lung diseases. This happens because the excess humidity leads to the appearance of molds, whose spores are the major cause of respiratory allergic diseases.

Does insurance cover rising damp?

Most buildings and contents home insurance policies won’t cover you for damage caused by damp and condensation. … Some insurers offer specific cover for rising damp, but generally it’s better to carry out regular maintenance on your home to lower the likelihood of damp causing extensive (and expensive) damage.

How do you treat rising damp in an old house?

Treatments for rising damp include:A chemical DPC injection.Replacement of rotting joists or internal flooring which has come into contact with damp.Removing and replacing damaged interior plaster.Bridged DPC – requiring the removal of bridging materials or soil to enable a minimum of 150mm clearance below the DPC.

How do you fix rising damp in an old house?

Treatment of rising damp is known as “damp-proofing” or “damp coursing” and typically involves stripping any plaster that’s damp off the wall, then drilling a line of holes along the wall at base level and injecting a silicone solution into the wall which penetrates to create a permanent barrier in the wall.

Does rising damp dry out?

Following Treatments during the anticipated drying out period, walls treated for rising dampness may experience the sudden or gradual re appearance of damp patches which will then dry out. Water staining such as this is usual and not a sign the work has been ineffective.

How do you tell if it’s rising damp or condensation?

One of the most common signs of condensation is black mould which can occur on any walls of the property. This compared to rising damp where if mould is present it will only occur on the ground floor of the property. Water will collect on windows is a common symptom of condensation in homes.

How is rising damp treated?

The most effective and economical way to treat rising damp is with a damp proofing injection cream. You can choose between complete kits or individual cartridges of cream from leading brands such as Kiesol C and Aida. The cream is injected or hand-pumped into specially-positioned holes in the mortar course.