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Summer is an ideal time for building managers and landlords to assess the condition of their properties. Dealing with dampness issues early can help prevent more serious problems, such as mould growth, structural damage, and costly repairs later in the year. While cleaning mould, repainting
walls, or replacing damaged plaster may improve appearance temporarily, these will return if the moisture source remains. A key principle is that damp cannot be diagnosed from visible symptoms alone. Stains, mould patches, salt deposits, or peeling paint only show where moisture has appeared, not where it originated, how long it has been present, or what defect is causing it. Effective diagnosis depends on identifying the root cause, whether that relates to building defects, ventilation, or heating. A proper inspection begins by
observing where and how moisture appears such as low on walls, around openings, or in corners, and whether it worsens after rain.
Low-level staining with tide marks and salts may suggest rising damp from ground moisture, though this should be rainfall are more likely to be penetrating damp from defects like cracked render, Black mould in corners or behind furniture may be due to condensation, caused by warm, moist air meeting cold, poorly ventilated surfaces. Understanding how moisture enters or behaves within a building is essential solution. Even after a damp issue is resolved, problems can persist due to salt
contamination. Hygroscopic salts left in plaster and masonry can absorb moisture from the air, causing surfaces to feel damp This is why simple patch repairs often
fail in previously damp areas. In such cases, specialist salt-resistant plaster systems are usually needed to ensure a lasting repair. For those looking to build a better understanding of damp diagnosis, Safeguard Europe is offering a free https://safeguardeurope. com/webinars/dealing-with- dampness-in-buildings-cpd-webinar
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