Rising damp is a common form of dampness that occurs when groundwater rises through porous building materials by capillary action due to the failure, deterioration, absence, or bridging of the original damp proof course (DPC).

As moisture rises through brickwork and masonry, it can cause progressive damage to:

• Plaster and decorations
• Skirting boards and timber
• Flooring and joists
• Internal wall finishes
• Paintwork and wallpaper

If left untreated, rising damp can lead to ongoing structural deterioration, timber decay, mould growth, and unhealthy living conditions within the property.

At NW Damp & Mould Specialists Ltd, we provide professional rising damp investigations, damp proofing surveys, and damp proof course installations throughout Liverpool, Southport, Merseyside, and The Wirral.

Rising damp is typically identified by elevated moisture readings at low level, usually beginning around the skirting board area and rising upwards to approximately 500mm–1 metre above floor level, often with a noticeable reduction in readings above this height.

Typical signs of rising damp include:

• Deteriorating or distorted skirting boards
• Hollow or blown plaster when tapped
• Bubbling paintwork or peeling wallpaper
• Damp or musty odours
• Tide marks to internal walls
• White salt deposits (efflorescence)
• Damp staining to lower wall areas
• Rotting timber and damaged flooring in severe cases

External signs may also include:

• High external ground levels bridging the damp proof course
• Defective brick pointing
• Cracked render or masonry defects
• Salt contamination to external walls

Many properties are incorrectly diagnosed with rising damp when the true cause may actually be:

• Condensation
• Penetrating damp
• Plumbing leaks
• Poor ventilation
• External water ingress

At NW Damp & Mould Specialists Ltd, we carry out detailed damp investigations to correctly identify the root cause of the issue before recommending any remedial works. This ensures the most effective and cost-efficient long-term solution for your property.

Our specialist services include:

• Damp proof course (DPC) installations
• Chemical damp proof injections
• Damp proof membrane systems
• Salt-contaminated plaster removal
• Specialist replastering systems
• Timber treatment and replacement
• Ventilation and condensation control
• Brickwork repointing and external repairs
• Damp and timber surveys for mortgage lenders

• Over 25 years of specialist experience
• Trusted family-run local business
• SafeContractor accredited
• Extensive social housing experience
• Honest and professional damp diagnosis
• Long-term remedial solutions
• Clean and professional workmanship
• Free no-obligation quotations

If you suspect rising damp within your property, contact NW Damp & Mould Specialists Ltd today for expert advice, professional diagnosis, and effective long-term damp proofing solutions.