Madison Town Manager Tim Curtis addresses a crowd Thursday at the former Madison Paper Industries mill during a ceremony marking the return of manufacturing to the plant. Belfast-based GO Lab Inc. is behind the more than $110 million project, which is to produce wood-fiber insulation and other products meant for the residential and light commercial construction markets.

An invited audience takes photographs Thursday of Gov. Janet Mills, GO Lab Inc. executives and Madison town officials during a ceremonial groundbreaking ceremony at the former Madison Paper Industries mill in Madison.

Gov. Janet Mills listens Thursday as Madison Town Manager Tim Curtis speaks during a ceremonial groundbreaking ceremony for GO Lab Inc. at the former Madison Paper Industries mill Madison Mill.

Maine Gov. Janet Mills, in tan coat at center, takes part in a ceremony Thursday marking the return of wood products manufacturing to the former Madison Paper Industries mill in Madison. Belfast-based GO Lab Inc. is behind the more than $110 million project, which is to produce wood-fiber insulation and other products meant for the residential and light commercial construction markets.

A man leaves the former Madison Paper Industries mill Thursday after a ceremonial groundbreaking ceremony for GO Lab Inc. at the facility.