This glass wool pipe insulation with aluminum foil facing and selfadhesive backing is designed to reduce heat loss on steam and hot water pipes. It is available in two thicknesses, 1.18 in and 1.96 in, and is sized for a 4 in inner diameter pipe (ID 4). The product line also includes selfadhesive rock wool pipe insulation with the same aluminum foil facing and installation method. Key benefits Reduces heat loss from steam and hot water lines, improving energy efficiency. Helps minimize condensation and moisture on exterior surfaces, protecting nearby areas. Selfadhesive backing enables fast, tool installation on straight or curved pipe runs without separate tapes or fasteners. Aluminum foil facing provides a durable moisture barrier and an additional reflective layer to limit radiant heat loss. Available in two thicknesses (1.18 in and 1.96 in) to fit different insulation needs and space constraints. Core materials include glass wool or rock wool, both offering effective thermal insulation in a lightweight profile. Key attributes Material options: Glass wool insulation with aluminum foil facing OR Rock wool insulation with aluminum foil facing. Thickness: 1.18 in or 1.96 in. Inner diameter compatibility: ID 4 in pipe (ID 4). Facing: Aluminum foil for moisture resistance and durability. Adhesive: Selfadhesive backing for easy installation. Application: Suitable for steam pipes and hot water piping in residential, commercial, and industrial settings. Safety/performance: Insulation materials known for noncombustible properties. Applications and use cases Retrofit insulation for a 4 in steam supply line in a home or building to reduce heat loss and improve comfort in adjacent rooms. Insulating hot water or heating pipes in basements or mechanical rooms to lower energy use and prevent condensaterelated issues. Quickinstall HVAC or industrial piping upgrades during renovations or maintenance, providing a durable moisture barrier and reliable insulation. Notes Designed for compatibility with ID 4 in pipes and available in two thickness options to match installation needs. Aluminum foil facing enhances durability and moisture resistance while aiding thermal reflection. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-XXzhou store 3