ONE CALL - Roofing, Siding, Gutters, Doors, Windows or a new Garage Door? ProLine Exteriors is the Black Hills ONLY local full service exterior roofing, exterior remodel and restoration company. We are licensed ROOFING contractors, siding installers, gutter installation, authorized Sierra Pacific Window distributor and authorized Northwest Garage Door sales and service dealer. We offer remodel, insurance claim service and repair service for the Black Hills of South Dakota area.