{"id":30784,"date":"2019-06-04T14:54:39","date_gmt":"2019-06-04T12:54:39","guid":{"rendered":"http:\/\/136.144.181.85\/~nedzink\/info-si-sfaturi\/substructuri\/"},"modified":"2019-06-04T14:54:39","modified_gmt":"2019-06-04T12:54:39","slug":"substructuri","status":"publish","type":"page","link":"https:\/\/www.nedzink.com\/ro\/substructuri\/","title":{"rendered":"Substructuri"},"content":{"rendered":"<p>Un acoperi\u015f din titan-zinc poate fi instalat pe o pant\u0103 de minim 3&deg; p&acirc;n\u0103 la 90&deg; (fa\u0163ad\u0103). Construc\u0163ia poate fi izolat\u0103 sau neizolat\u0103. Pentru o structur\u0103 izolat\u0103 se aplic\u0103 principiul acoperi\u015fului rece. Izola\u0163ia este de obicei a\u0219ezat\u0103 &icirc;ntre c\u0103priorii de lemn \u015fi sub astereal\u0103. Tavanul construc\u0163iei trebuie s\u0103 fie etan\u015fat \u0219i f\u0103r\u0103 cr\u0103p\u0103turi.<\/p>\n<p>Suportul const\u0103 &icirc;n mod obi\u015fnuit &icirc;n astereal\u0103 cu o grosime minim\u0103 de 22 mm. Din perspectiva ventila\u0163iei, astereala nu va fi &icirc;mbinat\u0103 cu nut \u015fi feder. Placajele fibrolemnoase nu sunt adecvate ca material pentru astereal\u0103. Pot fi permise diferite tipuri de astereal\u0103 cu condi\u021bia ca acestea s\u0103 nu con\u021bin\u0103 substan\u021be care pot ataca tabla de titan-zinc.<\/p>\n<h2 class=\"western\">Astereala<\/h2>\n<p>&Icirc;n mod uzual se folose\u015fte astereal\u0103 din sc&acirc;ndur\u0103 ca substructur\u0103 pentru &icirc;nvelitoare deoarece acest material este cel mai potrivit pentru fixarea &icirc;nvelitorii \u015fi &icirc;ndepline\u0219te cerin\u021bele de rezisten\u021b\u0103 ale construc\u021biei. Se recomand\u0103 folosirea sc&acirc;ndurilor rindeluite din lemn, cu grosime minim\u0103 de 22 mm, l\u0103\u0163ime de 100 mm, f\u0103r\u0103 nut \u015fi feder, instalate orizontal cu spa\u0163iu de cel pu\u0163in 5mm &icirc;ntre ele.<\/p>\n<h2 class=\"western\">Furnir<\/h2>\n<p>Nu se recomand\u0103 folosirea panourilor de furnir ca astereal\u0103. Acestea con\u021bin adeziv ce poate ataca tabla \u0219i au o rezisten\u0163\u0103 mare la difuzia vaporilor. De asemenea, cuiele sau \u0219uruburile care fixeaz\u0103 clemele nu pot fi fixate stabil \u0219i sigur &icirc;n acest tip de material.<\/p>\n<h2 class=\"western\">Beton<\/h2>\n<p>Pentru producerea betonului sau a mortarului sunt folosite cantit\u0103\u0163i foarte mari de ap\u0103. Dup\u0103 terminarea procesului de construc\u021bie, se va evapora o mare cantitate de ap\u0103 din beton &icirc;nainte de uscarea complet\u0103 a acestuia. Acest proces poate dura c&acirc;\u021biva ani, av&acirc;nd ca rezultat ap\u0103 rezidual\u0103 \u015fi condens ce se vor depune pe intradosul tablei de titan-zinc. Aceste depuneri con\u021bin par\u0163ial substan\u021be alcaline care ataca &icirc;nvelitoarea. Trebuie evitat &icirc;ntotdeauna contactul direct &icirc;ntre substructura din beton \u015fi &icirc;nvelitoarea sau placarea cu titan-zinc.<\/p>\n<h2 class=\"western\">Structur\u0103 etan\u015f\u0103 la vapori<\/h2>\n<p>O substructur\u0103 neventilat\u0103, etan\u015f\u0103 la vapori, are anumite beneficii \u015fi riscuri. Particularit\u0103\u021bile acestei aplica\u0163ii de structur\u0103 sunt explicate &icirc;n capitolele urm\u0103toare.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un acoperi\u015f din titan-zinc poate fi instalat pe o pant\u0103 de minim 3&deg; p&acirc;n\u0103 la 90&deg; (fa\u0163ad\u0103). Construc\u0163ia poate fi izolat\u0103 sau neizolat\u0103. Pentru o structur\u0103 izolat\u0103 se aplic\u0103 principiul acoperi\u015fului rece. Izola\u0163ia este de obicei a\u0219ezat\u0103 &icirc;ntre c\u0103priorii de lemn \u015fi sub astereal\u0103. Tavanul construc\u0163iei trebuie s\u0103 fie etan\u015fat \u0219i f\u0103r\u0103 cr\u0103p\u0103turi. Suportul const\u0103 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":0,"menu_order":720,"comment_status":"closed","ping_status":"closed","template":"template-import.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-30784","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Substructuri \u2013 NedZink<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.nedzink.com\/ro\/substructuri\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Substructuri \u2013 NedZink\" \/>\n<meta property=\"og:description\" content=\"Un acoperi\u015f din titan-zinc poate fi instalat pe o pant\u0103 de minim 3&deg; p&acirc;n\u0103 la 90&deg; (fa\u0163ad\u0103). Construc\u0163ia poate fi izolat\u0103 sau neizolat\u0103. Pentru o structur\u0103 izolat\u0103 se aplic\u0103 principiul acoperi\u015fului rece. Izola\u0163ia este de obicei a\u0219ezat\u0103 &icirc;ntre c\u0103priorii de lemn \u015fi sub astereal\u0103. Tavanul construc\u0163iei trebuie s\u0103 fie etan\u015fat \u0219i f\u0103r\u0103 cr\u0103p\u0103turi. 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Construc\u0163ia poate fi izolat\u0103 sau neizolat\u0103. Pentru o structur\u0103 izolat\u0103 se aplic\u0103 principiul acoperi\u015fului rece. Izola\u0163ia este de obicei a\u0219ezat\u0103 &icirc;ntre c\u0103priorii de lemn \u015fi sub astereal\u0103. Tavanul construc\u0163iei trebuie s\u0103 fie etan\u015fat \u0219i f\u0103r\u0103 cr\u0103p\u0103turi. 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