NEW LIMERICK, Maine, Sept. 2 -- Sen. Susan M. Collins, R-Maine, issued the following news release: U.S. Senator Susan Collins attended a grand opening at the Louisiana Pacific Building Solutions (LP) Houlton facility to celebrate the successful conversion to manufacture LP SmartSide products. In early 2021, LP Houlton announced a phased, multiyear plan to expand production of SmartSide, an advanced engineered wood siding used on the exterior of homes. The mill's conversion to siding production more PR