Lumber futures traded above $600 per thousand board feet, recovering from yearly lows of $538 seen May 6th amid surging North American homebuilding and constrained supply. In Canada, April housing starts jumped 30% to 278,606 units, led by a 64% surge in Montréal’s multi-unit projects, while US starts climbed to an annualized 1.361 million, underpinned by an 11% rise in multi-family construction. Yet sawmill output remains hampered by environmental curbs, pandemic-era shutdowns and freight bottlenecks, even as input costs escalate—softwood lumber PPI advanced 3% in April, and energy and transport surcharges ...