Used in HVAC industry for joining and sealing Foil-Scrim-Kraft Facing laminated fiberglass blanket, duct board joints and seams, joining and sealing flexible air duct seams and connections – tape Aluminio 353 and Aluminio 301. Perfectly adapts to uneven surfaces. The high quality foil-scrim aluminium tape – Aluminio 353 –  is designed to connect mats and insulation segments with an aluminum jacket, it provides 100% vapor tightness and excellent mechanical strength.