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How to install the Coqisol system from Poujoulat Chimneys?

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Par Bat info source: Poujoulat Chimneys via YouTube

This installation tutorial invites you to discover the stages of the installation of the COQISOL system which reinforces the insulation and the air permeability of buildings crossing walls (wall, crawling, roof) and provides a response to the requirements of the RE 2020.