"Seam failure is one of the most common complaints from site workers, and it's easy to see why. Consumer waterproofs are tested under static conditions. Nobody's dragging scaffold pipes across the chest or crouching in a flooded trench while wearing them in the lab."
"Taped seams on cheaper jackets use a single layer of tape bonded with heat. That bond weakens with movement, abrasion and repeated washing. Once it starts to peel, water finds its way in at the shoulder seam or underarm where stress concentrates."
"Breathability is one of the most misunderstood specs in workwear. A jacket rated at 5,000g moisture vapour transmission per square metre sounds adequate until you're on a groundworks gang laying drainage in the rain."
Consumer-grade waterproof jackets often fail on construction sites due to design issues rather than fabric quality. Seam failure is common, as these jackets are tested under static conditions, not in dynamic work environments. Taped seams weaken with movement and washing, allowing water to penetrate. In contrast, welded seams provide better durability. Additionally, breathability ratings can be misleading; if a jacket cannot effectively manage moisture, workers may end up wet from sweat rather than rain, compromising comfort and performance.
Read at London Business News | Londonlovesbusiness.com
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