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.

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Solutions for sealing all windows – Humidity-variable and full-surface adhesive: the new window sealing tape from pro clima

Simple window installation with CONTEGA SOLIDO IQ

It can be used on the interior or exterior, transports undesirable moisture out of window joints and is full-surface adhesive. The new joint adhesive tape from pro clima – CONTEGA SOLIDO IQ – will make the installation of windows easier and will provide protection against damage to structures. When installed on the inside, it is vapour-retarding and airtight; when used on the outside, it is resistant to driving rain, open to diffusion and windtight.

Window sealing tape Contega Solido IQ
Simplifies stock management and helps to prevent installation errors: CONTEGA SOLIDO IQ. The intelligent window joint adhesive tape for interior and exterior use.
Installation window sealing tape Contega Solido IQ
Full-surface adhesive, intelligent window sealing tape for interior and exterior use. New from pro clima: CONTEGA SOLIDO IQ.

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Reliable planning and implementation of window joints

Joints to other building components are always challenging: they are just a few millimetres in width, but have to offer the same performance as an exterior wall with a thickness of 40 centimetres. Alongside the external influences that act on a building component, there are also laws and standards that stipulate requirements that joints have to fulfil. The wishes of clients or investors are additional considerations that have to be taken into account. The quality and performance of window joints are dependent on good planning, installation according to the three-layer principle, and the choice of materials used.

Careful installation is important in order to ensure the performance of the building envelope and to avoid structural damage and mould. The design principle of three functional layers must be taken into account during planning and installation

The design principle – The joint is what counts!

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