Profile: Fabricolor Ltd. specializes in offering fabrications, solar shading, gutter systems, louver systems, and smoke vents & hatches. Steel, aluminum and membrane can all be used to manufacture an insulated gutter. The insulated gutter will consist of an upper skin (galvanized steel, aluminum, stainless steel or membrane), a lower skin which is sometimes internally visible and manufactured from a steel white liner to match the rest of the internal roof, and a rigid PIR insulation core.