An ingenious sealing tape that provides 100% airtightness. Iso Bloco One provides the sealing power of 3 products into 1 simple solution. 

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The multi-functional joint sealing tape with outstanding three-level functionality is 100 % air tight and vapour-resistant on the inside, provides thermal and sound insulation in the centre and more than 750 Pa resistance to driving rain on the outside. 

Its simple installation and outstanding performance makes it a firm favourite when installing windows and doors in new builds, passive energy houses and for refurbished buildings.