{"id":30751,"date":"2019-06-04T14:54:28","date_gmt":"2019-06-04T12:54:28","guid":{"rendered":"http:\/\/136.144.181.85\/~nedzink\/info-si-sfaturi\/fizica-in-constructii\/structura-neventilata\/"},"modified":"2019-06-04T14:54:28","modified_gmt":"2019-06-04T12:54:28","slug":"structura-neventilata","status":"publish","type":"page","link":"https:\/\/www.nedzink.com\/ro\/structura-neventilata\/","title":{"rendered":"Structur\u0103 neventilat\u0103"},"content":{"rendered":"<h3>General<\/h3>\n<p>Din ce &icirc;n ce mai mult, proiectan\u0163ii caut\u0103 un pachet sub\u0163ire al acoperi\u015fului, f\u0103c&acirc;ndu-l diferit fa\u0163\u0103 de structura tradi\u0163ional\u0103 cu un spa\u0163iu de ventila\u0163ie relativ mare. De asemenea, la renovarea acoperi\u015furilor, grosimea total\u0103 a pachetului poate reprezenta o problem\u0103. Solu\u021bia este alegerea unui sistem neventilat, etan\u015f la vapori cu avantajul unei proiect\u0103ri dimensionale mai mici.<\/p>\n<p>&Icirc;ntr-un acoperi\u015f cald nu exist\u0103 un spa\u0163iu de ventilare &icirc;ntre izola\u0163ie \u015fi &icirc;nvelitoare. Pentru a preveni condensul, construc\u0163ia trebuie s\u0103 fie etan\u015f\u0103 la umezeal\u0103. Vaporii de ap\u0103 care se str&acirc;ng sub suprafa\u021ba de zinc, datora\u0163i condensului intern sau a radia\u021biilor nocturne, se vor scurge pe stratul de separa\u0163ie. Acesta este un strat de separa\u0163ie structurat, permeabil la vapori. Construc\u0163ia trebuie s\u0103 fie un sistem etan\u015f la vapori cu o valoare Sd de cel pu\u0163in 1500 m.<\/p>\n<h3>Riscuri<\/h3>\n<p>&Icirc;n aplicarea unui sistem etan\u015f la vapori sunt prezente riscuri care pot afecta func\u0163ionalitatea \u015fi longevitatea:<\/p>\n<ul>\n<li>\u00cembin\u0103ri comune care nu sunt corect \u00eenchise <\/li>\n<li>Substructuri care nu sunt rigide<\/li>\n<li>Perfora\u021bii care pot cauza scurgeri<\/li>\n<li>Scurgeri care pot avea loc din cauza lipsei de grij\u0103 a montatorilor \u015fi gre\u015felilor de detaliu<\/li>\n<\/ul>\n<h3>Beneficii<\/h3>\n<p>Beneficiile structurilor etan\u0219e \u00eempotriva construc\u0163iilor ventilate:<\/p>\n<ul>\n\t<lilibertatea considerabil mai mare \u00een proiectare pentru arhitec\u0163i \u015fi dezvoltatori<\/li>\n<li>o proiectare compact\u0103 \u015fi mai sigur\u0103 la incendii, datorit\u0103 lipsei spa\u0163iului de ventilare<\/li>\n<li>u\u015for de manipulat \u015fi astfel economie de timp la asamblare<\/li>\n<li>etan\u015farea de \u00eenalt\u0103 calitate \u00eempotriva zgomotului<\/li>\n<li>construirea acoperi\u015fului sau fa\u0163adei este etan\u015fat\u0103 rapid la ploaie \u0219i se accelereaz\u0103 timpul de punere \u00een oper\u0103<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.nedzink.com\/wp-content\/uploads\/import\/cms\/userfiles\/images\/beeld11_1.jpg\" style=\"width: 375px; height: 251px;\" \/><\/p>\n<h3>Responsibilitate \u2013 Garan\u0163ie<\/h3>\n<p>Arhitectul sau\/\u015fi antreprenorul este responsabil pentru implementarea sistemului constructiv etan\u015f la vapori. Consultarea cu montatorul de zinc este necesar\u0103 pentru limitarea sau excluderea riscurilor acestei aplica\u0163ii.<br \/>\nFurnizorul diferitelor materiale de construc\u0163ii asigur\u0103 garan\u0163ia materialelor furnizate. Dup\u0103 procesarea acestor materiale, atreprenorul este responsabil pentru garan\u0163ia structurii complete.<\/p>\n<h3>NedZink NOVA Pro-Tec<\/h3>\n<p>NedZink NOVA Pro-tec este un titan-zinc pre-patinat, c\u0103ruia i se aplic\u0103 un strat de protec\u0163ie pe partea inferioar\u0103 pentru aplica\u0163ii at\u00e2t pe acoperi\u015furi calde c\u00e2t \u015fi reci. Acest strat protejeaz\u0103 zincul pe partea inferioar\u0103 \u00eempotriva efectelor d\u0103un\u0103toare ale vaporilor de ap\u0103 \u015fi a altor substan\u0163e. Propriet\u0103\u0163ile tehnice ale materialului se p\u0103streaz\u0103. NedZink NOVA Pro-Tec poate fi utilizat \u00een cadrul sistemelor standard, dar se recomand\u0103 \u00een special la acoperi\u015furi calde, neventilate \u015fi la plac\u0103ri de fa\u0163ade.<\/p>\n<h2>&nbsp;<\/h2>\n<p><strong><img decoding=\"async\" src=\"https:\/\/www.nedzink.com\/wp-content\/uploads\/import\/cms\/userfiles\/images\/pro-tec.jpg\" style=\"width: 222px; height: 216px;\" \/><\/strong><\/p>\n<p><strong>Not\u0103:<\/strong> c\u00e2nd sunt probleme din cauza condensului \u00een construc\u0163ie zincul nu este afectat, dar umezeala are consecin\u0163e drastice pentru construc\u0163ie \u015fi valorile dorite ale izola\u0163iei.  <\/p>\n<h2>Termoizola\u021bia tip PUREN\u00ae pentru acoperi\u015furi \u015fi fa\u0163ade metalice <\/h2>\n<p>(cunoscut \u00eenainte ca sistem Endele)<\/p>\n<p>Sistemul de izolare termic\u0103 tip PUREN este potrivit pentru folosirea \u00eentr-o construc\u0163ie izolat\u0103 neventilat\u0103. Pe l\u00e2ng\u0103 instalarea rapid\u0103 \u015fi u\u015foar\u0103 sistemul este 100% rezistent la umiditate \u0219i evit\u0103 problemele condensului.<\/p>\n<h3>Componentele termoizola\u021biei tip PUREN<\/h3>\n<p>Panourile tip PUREN constau \u00een:<\/p>\n<ul>\n<li>Material termoizolant din spum\u0103 rigid\u0103 de \u00eenalt\u0103 performan\u0163\u0103 PUR\/PIR<\/li>\n<li>Strat exterior de aluminiu pe ambele p\u0103r\u0163i (50 \u00b5m) pentru izolarea complet\u0103 a suprafe\u0163ei peste c\u0103priori, f\u0103r\u0103 pun\u021bi termice<\/li>\n<li>Laminare suplimentar\u0103 pe partea superioar\u0103 cu benzi auto-adezive din polimer de bitum la \u00eembinarile laterale suprapuse <\/li>\n<li>\u00cembin\u0103rile dintre pl\u0103ci se realizeaz\u0103 \u00een sistem nut-feder<\/li>\n<\/ul>\n<p>Gama de produse de izolare tip PUREN acoper\u0103 o mare varietate de combina\u0163ii cu zinc pentru acoperi\u015furi, plac\u0103ri de fa\u021bad\u0103 \u015fi alte aplica\u0163ii. <\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.nedzink.com\/wp-content\/uploads\/import\/cms\/userfiles\/images\/p1020340.jpg\" style=\"width: 600px; height: 401px;\" \/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/p>\n<h2>Sistemul termoizolant etan\u015f la vapori FOAMGLAS\u00ae <\/h2>\n<p>Pentru c\u0103 \u00eentr-un sistem de acoperi\u015f cald nu este spa\u0163iu de ventialare \u00eentre izola\u0163ie \u015fi \u00eenvelitoare, se poate utiliza  materialul etan\u015f la vapori FOAMGLAS\u00ae. Astfel se elimin\u0103 problemele cu condensul dinspre interior sau cu condensul din r\u0103cirea nocturn\u0103. Acest sistem este foarte diferit fa\u021b\u0103 de modurile de construc\u0163ie tradi\u0163ionale ce au ventila\u0163ie pe intradosul \u00eenvelitorii.<\/p>\n<p>Sistemul FOAMGLAS\u00ae este mai sub\u0163ire \u015fi poate fi folosit pe orice form\u0103. Nu exist\u0103 practic limite pentru forma, panta sau lungimea panoului de acoperi\u015f. Sistemul este ideal \u00een combina\u0163ie cu gama de produse NedZink Pro-Tec care au un strat de protec\u0163ie pe intrados.<\/p>\n<p>Pentru aplic\u0103ri la acoperi\u015furi sau fa\u0163ade peste FOAMGLAS\u00ae, exist\u0103 o pl\u0103cu\u0163\u0103 metalic\u0103 special\u0103 care se lipe\u015fte de materialul izolator. Izola\u0163ia \u00een sine este aderent\u0103 pe substrat, iar asta conduce la un sistem unde acoperi\u015ful poate fi realizat f\u0103r\u0103 prindere de substart, elimin\u00e2nd astfel pun\u021bile termice \u0219i infiltra\u021biile.<\/p>\n<p>Acest sistem etan\u015f la vapori poate fi aplicat pe diferite suprafe\u0163e.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.nedzink.com\/wp-content\/uploads\/import\/cms\/userfiles\/images\/foamglas_3.jpg\" style=\"width: 292px; height: 360px;\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Exemplu:\u00a0construc\u0163ie pe structur\u0103 metalic\u0103<\/p>\n<ol>\n<li>\u00cenvelitoare din titan-zinc <\/li>\n<li>Cleme de fixare a tablei<\/li>\n<li>Strat de separa\u021bie (covor de separa\u021bie)<\/li>\n<li>Membran\u0103 bituminoas\u0103 hidroizolant\u0103<\/li>\n<li>Pl\u0103cu\u0163\u0103 metalic\u0103 de prindere<\/li>\n<li>Strat adeziv superior de bitum cald<\/li>\n<li>Termoizola\u021bie FOAMGLAS \u00ae<\/li>\n<li>Adeziv bituminos cald<\/li>\n<li>Structur\u0103 metalic\u0103<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>General Din ce &icirc;n ce mai mult, proiectan\u0163ii caut\u0103 un pachet sub\u0163ire al acoperi\u015fului, f\u0103c&acirc;ndu-l diferit fa\u0163\u0103 de structura tradi\u0163ional\u0103 cu un spa\u0163iu de ventila\u0163ie relativ mare. De asemenea, la renovarea acoperi\u015furilor, grosimea total\u0103 a pachetului poate reprezenta o problem\u0103. Solu\u021bia este alegerea unui sistem neventilat, etan\u015f la vapori cu avantajul unei proiect\u0103ri dimensionale mai [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":0,"menu_order":690,"comment_status":"closed","ping_status":"closed","template":"template-import.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-30751","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>Structur\u0103 neventilat\u0103 \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\/structura-neventilata\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Structur\u0103 neventilat\u0103 \u2013 NedZink\" \/>\n<meta property=\"og:description\" content=\"General Din ce &icirc;n ce mai mult, proiectan\u0163ii caut\u0103 un pachet sub\u0163ire al acoperi\u015fului, f\u0103c&acirc;ndu-l diferit fa\u0163\u0103 de structura tradi\u0163ional\u0103 cu un spa\u0163iu de ventila\u0163ie relativ mare. 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