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Hello guys, in today's video we are talking about the weakest part of a window, that is, the bottom of the joinery. What type of Solbanc profile should be used for the passive house windows, what is the difference between additional profiles and how to correctly position the panoramic windows. Official Page: http://profmontaj.md/ Facebook: / www.profmont. . Instagram : / bivol371 #Profmontaj #Montajdecalitate #Mesteribuni #Ferestredecalitate