With Tontine Black Liner, superior insulation performance is assured If you're not using INSULWRAP you could be lagging behind Tontine Fibres have developed a compressed polyester insulation, specifically suited for lining and lagging air conditioning duct systems, providing added benefits to specifiers, contractors and end users. Link through to: Tontine Black Liner (TBL) TBL Performance Graphs TBL Rigid Duct Insulation TBL - Data Sheet Insulwrap Insulwrap Performance Graphs Insulwrap - Data Sheet Polyduct - Data Sheet Tontine Insulation Products Material Safety DATA SHEET