Airtightness systems

An airtight building envelope prevents draughts and is a key element in energy saving and durability. It also improves sound insulation and is a particularly cost-effective energy-saving measure. All certified airtightness systems have been tested for functionality in a realistic setting. They offer a secure connection to other airtightness layers and come with complete and easy-to-understand installation instructions. You can find more information on the airtightness of buildings on
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Caută	Category	Efficiency class	System components	Climate zones	Date certified	Sd EN 1931 [m]	Sd EN ISO 12572 [m]
Component Manufacturers

Here you will find Passive House components for your projects!:

We're here to support you in your search for suitable Passive House components. Simply select the location where the product is to be used. The Passive House Portal then lists the certified components that are available for this climate zone.

You can adjust the location selection at any time by clicking the map pin icon at the top in the menu bar.