Intelligent, effective solutions for joints (5/8) – Care required at the corners of plastic windows:

Continuation of Part 4: The challenge: pipe feed-throughs

The position of the airtight layer must be defined

Leaks at windows. Photo: ‘Zieht wie Hechtsupp’ – the construction portal for leaks, damage to structures and other curiosities.

Plastic windows are commonly used in practice on our building sites, but are often associated with a lot of leaks. This is why providers of blower door measurements like to test the joints around these windows. The reason for this is that air can flow freely in the surrounding window profile. The installation guidelines of the RAL quality seal for windows and doors specifies the closing of surrounding window profiles with a special profile – but this is rarely done in everyday practice. However, these air flows can be interrupted by using some joint adhesive.

This series of articles summarises typical, challenging joint situations and shows how technicians can find practical solutions for these challenges. It also provides an overview of the detail features for which prefabricated solutions are available that allow tradespeople to achieve airtightness in a quick, easy and reliable manner.

Leaks at windows. Photo: ‘Zieht wie Hechtsupp’ – the construction portal for leaks, damage to structures and other curiosities.

This Series was wirtten by Jens Lüder Herms and Holger Merkel

Jens Lüder Herms, Zimmerer & Diplom-Ingenieur (FH), Exportmanager und Anwendungstechniker

Jens Lüder Herms, carpenter and graduate engineer, Export Manager and Application Technology specialist, pro clima Research and Development,, www.proclima.de. He provides insights into his work on Twitter and Instagram.

Holger Merkel, Blower-Door-Messdienstleister, Referent der pro clima Wissenwerkstatt und Leiter von Zertifizierungskursen

Holger Merkel, provider of blower door measurement services, speaker at the pro clima Knowledge Lab and instructor for certification courses.. He has documented examples of leaks in his most recent project www.zieht-wie-hechtsupp.de. He also publishes specialist articles on issues such as blower door tests on www.airtight-junkies.de.

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About Daniel Laubscher

Daniel Laubscher hat bei pro clima eine Ausbildung zum Veranstaltungskaufmann absolviert. Er organisiert größere Event und Messen von pro clima, wie die internationale BAU in München und Schulungstouren. Dabei kümmert er sich auch um die Veranstaltungstechnik. Daniel ist auch Teil des Digital Teams. Er ist u.a. Moderator bei den Online-Seminaren der pro clima Wissenswerkstatt, filmt und produziert bei Events und unterstützt die Social Media Auftritte.  In seiner Freizeit organisiert er Camps für Jugendliche und Treffen, bei denen Jugendliche gestärkt werden.

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