Overnight thaw raises risk of water damage from pipes and roofs across Netherlands

A thaw that began over the weekend is increasing the risk of water damage from frozen pipes, clogged gutters, and heavy snow on roofs, industry experts warn. Techniek Nederland, the national installation industry association, said damage from frost and snow often only becomes visible once the thaw sets in.

“Without timely inspection, the result can lead to leaks, water damage, and high repair costs,” said Eric van der Blom, a water expert at the organization.

During freezing periods, water in pipes, gutters, and downspouts can expand, causing cracks or loosening connections that may leak once temperatures rise. Snow accumulation on roofs has also led to collapses in several locations, prompting precautionary closures of IKEA stores in Utrecht, Breda, and Groningen, as well as sports halls and gymnasiums in other towns.

According to Weeronline, the thaw started over the weekend as milder, wetter conditions spread across the country. Temperatures are now hovering just above freezing in much of the Netherlands, though slippery roads remain in Noord-Holland, Utrecht, Noord-Brabant, and Limburg. Rain moving in along the western coast is expected to accelerate thawing.

Van der Blom highlighted the dangers of even minor issues. “A blocked or damaged gutter seems harmless, but during a thaw, large amounts of water can run along the facade or even inside. Such behavior causes not only water damage but also later mold problems,” he said. Homeowners and building managers are being urged to inspect pipes, fittings, and drainage systems promptly.

Techniek Nederland represents more than 30,000 installation companies and self-employed workers, employing 180,000 people. Its members design, install, and maintain technologies ranging from heating systems and solar panels to industrial production lines, with the sector generating 26 billion euros annually.