Gwinn Insulation Co. Installs Seamless gutters - various sizes and shapes, Entry doors - steel, fiberglass and vinyl (storm doors), Sunrooms, Patio covers - aluminum and canvas, Awnings - aluminum and canvas, Metal carports and buildings, Room addition, Roofing- shingles and metal, Vinyl handrails, Porch posts - aluminum, fiberglass and vinyl and Decks - vinyl, composite and wood and many more.