I have a 25m² garage with concrete walls and some old paint peeling off. It's not heated and gets quite damp in winter. I'm thinking of painting it myself to save money, but I'm worried about prep work and whether the moisture will just ruin it again. Budget is tight — maybe €300–400 total. Should I hire someone or tackle it?
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For a garage with moisture issues, DIY often backfires. Proper prep (cleaning, patching, primer for damp concrete) takes more skill than people expect, and cheap paint won't hold in humid conditions. A professional will likely charge €600–1,200 for 25m² (€24–48/m²), depending on wall condition and primer needed. That includes surface prep, moisture-blocking primer, and quality finish paint. If you DIY badly, you'll repaint in 18 months anyway. A pro guarantees it lasts 5+ years. Post your garage on AstraNL to get real quotes from verified painters in Arnhem — they can assess the moisture issue and recommend the right solution.
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