Asphalt-based roofing products saw up to 17% declines in shipments in the final quarter of 2021, though year-to-date comparisons are hinting at improvements in the supply chain crisis.
Data from the Asphalt Roofing Manufacturers Association’s (ARMA) Quarterly Product Shipment Report indicates shipments in shingles, BUR and modified bitumen all decreased when comparing the third quarter and fourth quarter.