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The keystone to long-lasting airtightness and vapor control.
The INTELLO membrane, manufactured by Pro Clima of Schwetzingen Germany, is the state-of-the-art interior vapor control and air-tightness membrane for cold and mixed climates. It is an intelligent membrane that changes permeability in a range from 0.13 perms in winter to 13.2 perms in summer depending on the relative humidity of the air around it. This intelligent range of permeability gives assemblies maximum protection against moisture damage.
If Drying Capacity is greater than Moisture Stress = Freedom from Damage
As insulation levels and air-tightness rise to meet greater demands for energy efficiency and comfort, optimizing the drying capacity becomes ever more important.