Mold on walls can also be caused by excessive external rainfall, seeping into the walls, leading to mold growth. This is particularly true for balconies with poor window seals or cracks where windows meet the walls, allowing rainwater to渗入 indoors during rainy weather, causing mold. If you have a similar situation, customers in need of mold prevention and wall renovation services can contact us by phone. Our company, a Foshan-based waterproofing and leakage repair firm, offers a comprehensive solution that includes free on-site inspection, design, construction, and material application, focusing on the construction market.