US: Gypsum wallboard distributor Foundation Building Materials reports that sales of wallboard fell slightly to US$202m in the first quarter of 2020. This was attributed to disruption caused by the coronavirus outbreak. Overall its sales across all business lines rose, in part due to an additional business day in the reporting quarter compared to the same period in 2019. It noted lower sales growth in states with stronger lockdown measures, including Washington, California, Michigan, New Jersey and Pennsylvania. Overall sales in April 2020 were reported as being 20% down year-on-year.