What was particularly notable was its roof, described by one ... erecting the world’s first galvanized buildings: the storage sheds at Pembroke Docks erected in 1844. Palmer’s patent expired in 1843, ...

Metal roofing systems, from corrugated panels to standing seam designs ... When you walk into a building and feel that blast of cool air on a hot day, it’s likely thanks to sheet metal. HVAC systems ...