We just had resin roofing tiles installed at our house, so why is our neighbor’s roof leaking? Over the past two months, quite a few households in our neighborhood have been working on their roofs. Some went for cheap color-coated steel tiles, which ended up rusting; others, looking to save time, hired fly-by-night contractors. Now, whenever it rains, their homes are filled with buckets placed everywhere. As for me,
