Top material shortages in commercial construction in the U.S. 2020-2021, by quarter

Throughout 2020 and 2021, commercial construction contractors most often reported suffering shortages in wood and/or lumber, and steel. In the last quarter of 2021, 27 percent of the surveyed contractors suffered a shortage on steel, 19 percent of them in roofing materials, and 17 percent of them in wood and/or lumber. In that same period, more than 90 percent of contractors reported facing shortages in at least one material.

在2020年至2021年期间，商业建筑承包商普遍反映在木材及木料、钢材等方面遭遇短缺。至2021年第四季度，接受调查的承包商中有27%遭受了钢材短缺，其中19%涉及屋顶材料，17%涉及木材及木料。在同一时期，超过90%的承包商报告称至少在一种材料上面临短缺。