{"id":33986,"date":"2026-07-16T07:52:15","date_gmt":"2026-07-16T07:52:15","guid":{"rendered":"https:\/\/aquaconsult.be\/?p=33986"},"modified":"2026-07-16T08:02:36","modified_gmt":"2026-07-16T08:02:36","slug":"saltpetre-on-your-wall-during-a-heatwave-how-to-get-rid-of-white-patches-on-the-wall-in-summer","status":"publish","type":"post","link":"https:\/\/aquaconsult.be\/en\/news\/saltpetre-on-your-wall-during-a-heatwave-how-to-get-rid-of-white-patches-on-the-wall-in-summer\/","title":{"rendered":"Saltpetre on your wall during a heatwave? Here\u2019s how to get rid of white patches on your wall in summer"},"content":{"rendered":"
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Saltpetre on your wall during a heatwave? Here\u2019s how to get rid of white patches on your wall in summer<\/span><\/h1><\/div>
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Temperatures soar to tropical levels during the summer and suddenly you notice a strange, white, powdery film at the bottom or halfway up your interior wall. This means that there is saltpetre efflorescence on your wall. You may start to experience saltpetre on your wall<\/a> In summer, this is a common problem during a spell of hot weather or a heatwave.<\/p><\/span>

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Although it may seem as though the extreme heat has caused this problem, the truth lies in another issue, namely a long-standing moisture problem<\/a>. So the stubborn salt efflorescence on the wall has actually been there for much longer than you think, but the heatwave or the higher temperatures have simply accelerated the process. Unfortunately, simply wiping it away or painting over it is like trying to bail out a sinking ship. We at AquaConsult<\/a> So we\u2019d be happy to explain how the salt deposits on your wall form, why a heatwave is the perfect trigger for this, and how you can solve the underlying damp problem once and for all.<\/span><\/p><\/div>

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