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Gli "Elementi del progetto" sono innanzitutto una collana di libri tecnici dedicati ciascuno a un particolare componente costruttivo o di finitura degli edifici, intorno al quale viene sviluppata una classificazione e catalogazione utile ai professionisti. I libri d'altra parte, oltre che con i disegni tecnici di tutti i prodotti, sono ampiamente illustrati con foto a colori a piena pagina in modo da poter incontrare anche le esigenze di un pubblico più ampio, dato che in molti casi il componente preso in esame può essere oggetto di una scelta diretta da parte del privato che intenda occuparsi personalmente della ristrutturazione e dell'arredo del proprio spazio abitativo o di lavoro. Questo volume della serie è dedicato alle porte che sono, nel completamento degli edifici, uno degli elementi più importanti dal punto di vista del decoro e della caratterizzazione degli ambienti. I più famosi designer si sono cimentati su questo tema e il libro da ampio risalto ai risultati delle migliori ricerche progettuali, fornendo al lettore una panoramica esaustiva che spazia dalle tipologie più classiche alle soluzioni piu moderne ed essenziali, attraverso tutta la gamma dei materiali e dei colori impiegati in questo settore produttivo. Il funzionamento delle chiusure interne è d'altra parte uno dei fattori più influenti sulla funzionalità abitativa e sull'ottimizzazione dello sfruttamento dello spazio disponibile. Oggi esiste sul mercato una gamma vastissima di prodotti che si differenziano tra loro in base a requisiti di ordine tecnico ed estetico legati ai materiali e alle tecnologie adottate per i sistemi di apertura e chiusura. Porte a scorrimento, a battente, a scomparsa, a libro, rasomuro, con i più diversi sistemi di movimentazione, fino a rendere invisibili le tradizionali cerniere o binari, oppure a sagomare in modo del tutto inedito le battute delle ante il cui senso di apertura risulta così totalmente reversibile, o ancora fino ad estendere la dimensione dell'apertura all'intero muro che si trasforma così in parete mobile introducendo una significativa ridefinizione nel valore dei limiti dello spazio. Tutto questo oltre a diventare decorazione e arredo degli spazi diventa anche uno st