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Bon pouvoir isolant<\/strong><\/p>\n <\/p>\n
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Elles r\u00e9duisent efficacement les pertes de chaleur et am\u00e9liorent le confort thermique toute l\u2019ann\u00e9e.<\/p>\n<\/div>\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n \n\n\n
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R\u00e9sistance \u00e0 l\u2019humidit\u00e9<\/strong><\/p>\n <\/p>\n
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Insensibles \u00e0 l\u2019eau, elles limitent les risques de d\u00e9gradation li\u00e9s aux infiltrations.<\/p>\n<\/div>\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n \n\n\n
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Application simple et rapide<\/strong><\/p>\n <\/p>\n
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Leur l\u00e9g\u00e8ret\u00e9 permet de les insuffler facilement, m\u00eame dans des cavit\u00e9s difficiles d\u2019acc\u00e8s. Les travaux peuvent g\u00e9n\u00e9ralement \u00eatre r\u00e9alis\u00e9s en une journ\u00e9e, sans nuisance ni d\u00e9molition<\/p>\n\n\n\n
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Stabilit\u00e9 dans le temps<\/strong><\/strong><\/p>\n <\/p>\n
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Elles conservent leurs propri\u00e9t\u00e9s isolantes pendant de nombreuses ann\u00e9es, sans se tasser.<\/p>\n<\/div>\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n \n\n\n
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Co\u00fbt abordable<\/strong><\/strong><\/p>\n <\/p>\n
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elles offrent un bon rapport qualit\u00e9\/prix par rapport \u00e0 d\u2019autres isolants inject\u00e9s comme la mousse polyur\u00e9thane. <\/p>\n<\/div>\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n \n\n\n
<\/span>Quels sont les inconv\u00e9nients des billes de polystyr\u00e8ne ?<\/span><\/h3>\n\n\n\nBien que les billes de polystyr\u00e8ne expans\u00e9 pr\u00e9sentent de nombreux avantages, il est important de conna\u00eetre aussi leurs limites pour \u00e9viter toute mauvaise surprise.<\/p>\n\n\n\n
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Isolation phonique limit\u00e9e<\/strong><\/p>\n <\/p>\n
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Elles sont tr\u00e8s efficaces contre les pertes de chaleur, mais offrent une protection modeste contre les bruits ext\u00e9rieurs.<\/p>\n<\/div>\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n \n\n\n
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Sensibilit\u00e9 aux infiltrations d\u2019eau<\/strong><\/p>\n <\/p>\n
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Si la fa\u00e7ade pr\u00e9sente des fissures ou des joints ab\u00eem\u00e9s, l\u2019humidit\u00e9 peut s\u2019infiltrer dans la coulisse et alt\u00e9rer l\u2019efficacit\u00e9 de l\u2019isolation.<\/p>\n<\/div>\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n \n\n\n
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Impact environnemental<\/strong><\/p>\n <\/p>\n
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M\u00eame si des versions recycl\u00e9es existent, le polystyr\u00e8ne reste issu de ressources p\u00e9trochimiques et sa d\u00e9gradation naturelle est tr\u00e8s lente.<\/p>\n<\/div>\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n \n\n\n
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N\u00e9cessit\u00e9 d\u2019une pose soign\u00e9e<\/strong>\u00a0<\/p>\n <\/p>\n
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Pour garantir une isolation optimale, l\u2019injection doit \u00eatre r\u00e9alis\u00e9e par un professionnel respectant les r\u00e8gles de l\u2019art, afin d\u2019\u00e9viter les zones mal remplies ou les poches d\u2019air.<\/p>\n<\/div>\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n \n\n\n
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Faible r\u00e9sistance au feu<\/strong>\u00a0<\/p>\n <\/p>\n
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le polystyr\u00e8ne expans\u00e9 est inflammable. Bien que des additifs ignifuges puissent ralentir sa combustion, il ne peut pas \u00eatre consid\u00e9r\u00e9 comme un isolant coupe-feu.<\/p>\n<\/div>\n<\/div>\n <\/div>\n <\/div>\n <\/div>\n \n\n\n