The Problems Damp Can Cause in Buildings in Cyprus

Dampness remains one of the most pervasive and damaging issues faced by property owners, especially in humid climates like Cyprus, where seasonal rains and high humidity levels contribute to moisture problems. Left unchecked, damp can compromise the structural integrity of a building, pose serious health risks, and lead to costly repairs. Understanding the various problems caused by dampness is essential for homeowners and property managers to take proactive measures.

Efflorescence: A Visible Sign of Moisture Intrusion

One of the most common signs of damp in Cyprus is efflorescence—a white, powdery crystalline deposit on walls and surfaces. This occurs when high salt content in local construction materials, like crushed rock in concrete, dissolves with moisture and is transported to the surface as the water evaporates. Over time, these salt deposits can lift paint, cause surface erosion, and weaken the structure.Case Study: A villa built in Paphos showed persistent white deposits on its exterior walls. An inspection revealed high salt levels in the concrete mix combined with poor external waterproofing, leading to ongoing efflorescence. After installing proper waterproof barriers and sealing the structure with breathable sealants, the salts were contained, and the efflorescence stopped.Prevention Tip: Use high-quality, low-salt construction materials when building or renovating, and ensure external walls are properly sealed with breathable waterproof coatings to prevent water ingress.

Damage to pillar from Damp

Electrical Damage caused by rainwater

Mould growth on furniture

Mould and Health Risks

Moisture provides the perfect environment for mould growth, which can be harmful when spores are inhaled. Mould often appears as black, green, or grey patches on walls, ceilings, or hidden areas like behind furniture and curtains.Practical Solution: Regularly ventilate rooms, especially bathrooms and kitchens, and use dehumidifiers where necessary. Address any leaks or damp patches immediately, and consider professional mould remediation if the problem persists.Health Alert: Individuals with allergies, asthma, or respiratory issues are especially vulnerable to mould spores, which can exacerbate health problems over time.Visual Aid: Include photos of mould growth in typical problem areas and a diagram showing proper ventilation techniques.

Electrical Hazards from Moisture Intrusion

Water intrusion isn’t just an aesthetic or health issue—it can be dangerous. Moisture that collects inside electrical conduits, junction boxes, or distribution panels can cause corrosion, short circuits, and fires.Case Study: During a particularly heavy winter storm, water seeped through a poorly sealed roof garden and into an electrical conduit, ultimately causing a short circuit in a 3-phase distribution board. This resulted in a small fire and costly repairs.Prevention Tips: Seal all pipe entries and conduits with waterproof glands, regularly inspect electrical systems, and ensure external waterproofing measures are in place, especially around roof gardens and external walls.Visual Suggestion: A photo of a sealed electrical conduit with waterproof glands and a diagram showing proper sealing techniques.

How to Prevent and Address Damp Problems  

• Regular Maintenance: Inspect roofs, gutters, and external walls at least twice a year. Repair any cracks, leaks, or damaged sealant promptly.

• Proper Waterproofing: Use high-quality, breathable sealants on external walls and around windows and doors. For roof gardens, ensure proper drainage and waterproof membrane application.

• Ventilation & De humidification: Install extractor fans in bathrooms and kitchens, and use dehumidifiers in areas prone to high humidity.

• Build with Quality Materials: When constructing or renovating, select low-salt, high-quality materials suitable for the local climate.

• Professional Assessments: Engage qualified damp specialists or building inspectors to identify hidden issues before they escalate.

Conclusion

Dampness poses serious risks to your property’s safety, appearance, and occupant health. Early detection, proper waterproofing, and regular maintenance are key to preventing these problems from escalating. By understanding the causes and implementing practical solutions, you can safeguard your investment and enjoy a healthier, safer living environment.