Airtightness Systems

The airtightness of a building is extremely important and is one of the five basic principles of the Passive house concept. If air flows through joints and cracks in a leaky building envelope, structural damage occurs and energy losses are unnecessarily high. In addition, sound insulation suffers and drafts reduce living comfort. The component database contains numerous certified airtightness systems; all products are accompanied by instructions for correct implementation. You can find out more about airtightness in buildings on the Passipedia knowledge platform.
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Name	Category	Efficiency Class	System Components	Sd EN 1931 [m]	Sd EN ISO 12572 [m]	Climate zones	Location/Avaliability	Date certified
Component Manufacturer
ISO-BLOCO ONE (3-18 mm) ISO-Chemie GmbH	Window Connection	phA	Multi-Function Sealing Strips "ISO-BLOCO ONE", In-Front-Of-Wall Installation System "ISO-TOP WINFRAMER"	- m	>18 m	Independent	Germany (DE)	May 2016
pro clima KAFLEX und ROFLEX pro clima MOLL bauökologische Produkte GmbH	Penetration	phA	KAFLEX mono, multi and post, ROFLEX 20, 50, 100 and 200, Tape TESCON VANA	- m	- m	Independent	Germany (DE)	Jan 2018
Partel KABSEAL PRO, KABSEAL PRO 6 and KABSEAL GAS PARTEL	Penetration	phA	KABSEAL PRO 8-12, 22-25, 50-72, 100-110, 180-195; KABSEAL GAS 8-12, 22-25, 50-72, 100-110, 180-195; KABSEAL PRO 6 4-11 multiple feed-through; KABSEAL PRO 6 Alu 4-11 multiple feed-through	- m	- m	Independent	Ireland (IE)	Jun 2023
ISOVER Vario Stretch Saint-Gobain ISOVER G+H AG	Penetration	phA	ISOVER Vario Stretch Haftvermittler ISOVER Vario MultiPrime Klebedichtmasse ISOVER Vario DoubleFit+	- m	- m	Independent	Germany (DE)	Jan 2024
Soudatight LQ Soudal N.V.	Surface Air Sealing	phA	Brush-applied membrane „Soudatight LQ“ self adhesive tape "SWS Inside Extra" 70mm	- m	37,5 m	Independent	Belgium (BE)	Aug 2020
Passive Purple Intelligent Membranes LTD	Surface Air Sealing	phA	Airtight spray membrane „Passive Purple“ Primer „Primer 46“ Self-adhesive Tape „Butytape”	- m	0,8-40 m	Independent	United Kingdom (GB)	Mar 2020
Blowerproof Liquid Hevadex bvba	Surface Air Sealing	phA	Airtight spray membrane „Blowerproof Liquid“ Primer „Primer 46“ Self-adhesive Tape „Butytape”	- m	- m	Independent	Belgium (BE)	Sep 2019
SMARTPLY SURE STEP SmartPly Europe DAC	Surface Air Sealing	phA	Airtight panel “Smartply Sure Step “ Self-adhesive Tape „Speedy Band“ and „Flexi Band“ or Equivalent; Primer	- m	- m	Independent	Ireland (IE)	Sep 2022

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