{"id":23587,"date":"2023-08-24T11:22:59","date_gmt":"2023-08-24T09:22:59","guid":{"rendered":"https:\/\/www.phoenixcom.cz\/press\/?p=23587"},"modified":"2023-08-24T11:28:24","modified_gmt":"2023-08-24T09:28:24","slug":"proc-vsadit-na-plastove-okno-vyrobene-z-profilu-tridy-a","status":"publish","type":"post","link":"https:\/\/www.phoenixcom.cz\/press\/proc-vsadit-na-plastove-okno-vyrobene-z-profilu-tridy-a\/","title":{"rendered":"Pro\u010d vsadit na plastov\u00e9 okno vyroben\u00e9 z profilu t\u0159\u00eddy A?"},"content":{"rendered":"<p style=\"font-weight: 400;\"><strong>Pokud pl\u00e1nujete instalaci plastov\u00fdch oken \u010di jejich v\u00fdm\u011bnu, ur\u010dit\u011b p\u0159i v\u00fdb\u011bru nezapome\u0148te na d\u016fle\u017eit\u00e9 krit\u00e9rium \u2013 t\u0159\u00eddu okenn\u00edho profilu, ze kter\u00e9ho je plastov\u00e9 okno vyrobeno. Okenn\u00ed profily se toti\u017e d\u011bl\u00ed do t\u0159\u00ed t\u0159\u00edd \u2013 A, B a C \u2013, p\u0159i\u010dem\u017e t\u0159\u00edda profilu m\u00e1 p\u0159\u00edm\u00fd vliv na pevnost, stabilitu i \u017eivotnost okna. Nap\u0159\u00edklad testy spole\u010dnosti VEKA \u2013 p\u0159edn\u00edho v\u00fdrobce plastov\u00fdch okenn\u00edch a dve\u0159n\u00edch profil\u016f \u2013 prok\u00e1zaly, \u017ee mimo jin\u00e9 v pevnosti rohov\u00fdch sv\u00e1r\u016f p\u0159ed\u010d\u00ed profily t\u0159\u00eddy A profily t\u0159\u00eddy B a\u017e o 20 %.<\/strong><\/p>\n<p style=\"font-weight: 400;\">&nbsp;<\/p>\n<p style=\"font-weight: 400;\">Od modern\u00edch plastov\u00fdch oken dnes u\u017eivatel o\u010dek\u00e1v\u00e1 dlouhou \u017eivotnost a dokonalou funk\u010dnost. Samoz\u0159ejmost\u00ed je vysok\u00e1 schopnost izolovat teplo nebo hluk, odol\u00e1vat proti v\u011btru a de\u0161ti stejn\u011b jako proti n\u00e1siln\u00e9mu vniknut\u00ed a mimo jin\u00e9 i mal\u00e9 n\u00e1roky na o\u0161et\u0159ov\u00e1n\u00ed. Sou\u010dasn\u011b lze pozorovat trend ke zv\u011bt\u0161ov\u00e1n\u00ed rozm\u011br\u016f element\u016f, st\u00e1le \u010dast\u011bji se prosazuj\u00ed zasklen\u00ed s vy\u0161\u0161\u00ed hmotnost\u00ed (= izola\u010dn\u00ed trojskla, speci\u00e1ln\u00ed zvukov\u011b-izola\u010dn\u00ed nebo bezpe\u010dnostn\u00ed zasklen\u00ed). Ovl\u00e1d\u00e1n\u00ed oken mus\u00ed b\u00fdt p\u0159itom pro u\u017eivatele snadn\u00e9. Trvale vzr\u016fst\u00e1 tak\u00e9 popt\u00e1vka po barevn\u00fdch plastov\u00fdch oknech a dve\u0159\u00edch. <em>\u201eTyto v\u00fdvojov\u00e9 trendy p\u0159in\u00e1\u0161ej\u00ed st\u00e1le vy\u0161\u0161\u00ed po\u017eadavky na pevnost a stabilitu r\u00e1mov\u00fdch konstrukc\u00ed,\u201c<\/em> \u0159\u00edk\u00e1 <strong>Milan Klepsa, v \u010cR a SR z\u00e1stupce spole\u010dnosti VEKA.<\/strong><\/p>\n<p style=\"font-weight: 400;\">&nbsp;<\/p>\n<p style=\"font-weight: 400;\">D\u00edky v\u00fdvoji vysp\u011bl\u00fdch konstrukc\u00ed, kvalitn\u00edch materi\u00e1l\u016f a v\u00fdrobn\u00edch metod v posledn\u00edch desetilet\u00edch se tyto po\u017eadavky dosud da\u0159ilo plnit. Konkuren\u010dn\u00ed boj a pokra\u010duj\u00edc\u00ed tlak na sni\u017eov\u00e1n\u00ed cen oken vedou v&nbsp;posledn\u00ed dob\u011b ke snah\u00e1m o sni\u017eov\u00e1n\u00ed v\u00fdrobn\u00edch n\u00e1klad\u016f a v kone\u010dn\u00e9m d\u016fsledku bohu\u017eel \u010dasto tak\u00e9 k \u201eoptimalizaci\u201c pou\u017eit\u00fdch materi\u00e1l\u016f. Soust\u0159ed\u00edme-li se na mo\u017enosti \u00faspor u r\u00e1mov\u00fdch plastov\u00fdch konstrukc\u00ed \u2013 r\u00e1mov\u00fdch a k\u0159\u00eddlov\u00fdch profil\u016f \u2013 setk\u00e1v\u00e1me se st\u00e1le \u010dast\u011bji s ot\u00e1zkou: <strong>Je opravdu nutn\u00e9 pou\u017e\u00edvat profily s dosud obvyklou tlou\u0161<\/strong><strong>\u0165<\/strong><strong>kou 3 mm u pohledov\u00fdch st<\/strong><strong>\u011b<\/strong><strong>n?<\/strong><\/p>\n<p style=\"font-weight: 400;\">&nbsp;<\/p>\n<p style=\"font-weight: 400;\"><strong>Jak to bylo d\u0159\u00edv a co ukl\u00e1d\u00e1 norma?<\/strong><\/p>\n<p style=\"font-weight: 400;\">P\u016fvodn\u00ed tlou\u0161\u0165ka st\u011bn 3,5\u20134 mm u prvn\u00edch plastov\u00fdch okenn\u00edch syst\u00e9m\u016f se pozd\u011bji d\u00edky pokroku extruzn\u00ed techniky ust\u00e1lila na cca 3 mm. Na konci 80. let minul\u00e9ho stolet\u00ed se pak po velk\u00e9 diskuzi v N\u011bmecku sjednotila odborn\u00e1 ve\u0159ejnost v r\u00e1mci standardu kvality RAL na minim\u00e1ln\u00ed tlou\u0161\u0165ce pohledov\u00fdch st\u011bn hlavn\u00edch profil\u016f 3 mm s toleranc\u00ed +\u2013 0,2 mm (a odpov\u00eddaj\u00edc\u00edch hodnot\u00e1ch pro ostatn\u00ed st\u011bny profil\u016f), aby byla zaji\u0161t\u011bna kvalita a funk\u010dnost kone\u010dn\u00fdch v\u00fdrobk\u016f. Tento standard se stal ur\u010duj\u00edc\u00edm tak\u00e9 pro n\u00e1\u0161 trh, kde tradi\u010dn\u011b pracujeme p\u0159ev\u00e1\u017en\u011b s materi\u00e1ly a technologiemi z&nbsp;n\u011bmecky mluv\u00edc\u00edch zem\u00ed. A kde rovn\u011b\u017e po\u017eadavky na vlastnosti a proveden\u00ed oken jsou velmi podobn\u00e9.<\/p>\n<p style=\"font-weight: 400;\">\u010cSN EN 12608-1 zavedla klasifikaci tlou\u0161\u0165ky st\u011bn hlavn\u00edch profil\u016f do t\u0159\u00edd A, B a C, p\u0159i\u010dem\u017e t\u0159\u00edda A s tlou\u0161\u0165kou st\u011bn pro pohledov\u00e9 plochy &gt; 2,8 mm se prakticky shoduje s n\u011bmeck\u00fdm po\u017eadavkem RAL A. T\u0159\u00edda B pak p\u0159\u00edslu\u0161\u00ed hodnot\u011b &gt; 2,5 mm a t\u0159\u00edda C je bez po\u017eadavku, zahrnuje tedy profily s&nbsp;tlou\u0161\u0165kou st\u011bn men\u0161\u00ed ne\u017e 2,5 mm. Uveden\u00e1 norma tedy prakticky umo\u017enila pou\u017e\u00edvat v cel\u00e9 Evrop\u011b okenn\u00ed profily s r\u016fznou tlou\u0161\u0165kou st\u011bn.<\/p>\n<p style=\"font-weight: 400;\">A\u010dkoliv ve v\u00fd\u0161e zmi\u0148ovan\u00e9&nbsp;norm\u011b je uvedeno, \u017ee tato klasifikace tlou\u0161\u0165ky st\u011bn profil\u016f nen\u00ed ur\u010dena k&nbsp;nazna\u010den\u00ed rozd\u00edl\u016f v&nbsp;kvalit\u011b profil\u016f nebo ve funk\u010dnosti oken z&nbsp;nich zhotoven\u00fdch, rozhodn\u011b to neznamen\u00e1, \u017ee tlou\u0161\u0165ka st\u011bn r\u00e1mov\u00fdch profil\u016f nem\u00e1 vliv na funk\u010dn\u00ed vlastnosti oken.<\/p>\n<p style=\"font-weight: 400;\"><strong>&nbsp;<\/strong><\/p>\n<p style=\"font-weight: 400;\"><strong>Porovn\u00e1n\u00ed vlastnost\u00ed profilov\u00fdch t\u0159\u00edd<\/strong><\/p>\n<p style=\"font-weight: 400;\">Ve firm\u011b VEKA bylo krom\u011b ekonomick\u00e9ho a marketingov\u00e9ho zhodnocen\u00ed provedeno i posouzen\u00ed technick\u00e9. Technici firmy VEKA ve sv\u00e9 zku\u0161ebn\u011b porovn\u00e1vali n\u011bkter\u00e9 pro kvalitu kone\u010dn\u00e9ho v\u00fdrobku d\u016fle\u017eit\u00e9 vlastnosti profil\u016f s tlou\u0161\u0165kou st\u011bn &gt; 2,8 mm (t\u0159\u00edda A) a &gt; 2,5 mm (t\u0159\u00edda B) a dosp\u011bli k n\u00e1sleduj\u00edc\u00edm poznatk\u016fm:<\/p>\n<p style=\"font-weight: 400;\">&nbsp;<\/p>\n<ul>\n<li><strong>Pevnost rohov\u00fdch sv\u00e1r\u016f<\/strong><\/li>\n<\/ul>\n<p style=\"font-weight: 400;\">\u0158ada m\u011b\u0159en\u00ed u profil\u016f t\u0159\u00eddy B uk\u00e1zala pokles pevnosti roh\u016f a\u017e o 20 % v&nbsp;porovn\u00e1n\u00ed s profily t\u0159\u00eddy A. Pevnost rohov\u00e9ho spoje u sva\u0159en\u00fdch r\u00e1m\u016f a k\u0159\u00eddel je jednou z&nbsp;velmi d\u016fle\u017eit\u00fdch vlastnost\u00ed pro stabilitu a \u017eivotnost plastov\u00fdch oken.<\/p>\n<p style=\"font-weight: 400;\">&nbsp;<\/p>\n<ul>\n<li><strong>Proh\u00fdb\u00e1n\u00ed a deformace <\/strong><\/li>\n<\/ul>\n<p style=\"font-weight: 400;\">A\u017e o 12 % ni\u017e\u0161\u00ed pr\u016fhyb ne\u017e u t\u0159\u00eddy B. Pokud je v t\u00e9to \u010d\u00e1sti profil nedostate\u010dn\u011b dimenzov\u00e1n, m\u016f\u017ee v&nbsp;d\u016fsledku nadm\u011brn\u00fdch deformac\u00ed (= pr\u016fhyb, kroucen\u00ed) doch\u00e1zet k probl\u00e9m\u016fm s net\u011bsnost\u00ed nebo s ovl\u00e1d\u00e1n\u00edm oken.<\/p>\n<p style=\"font-weight: 400;\">&nbsp;<\/p>\n<ul>\n<li><strong>Pevnost \u0161roubov\u00fdch spoj<\/strong><strong>\u016f<\/strong><\/li>\n<\/ul>\n<p style=\"font-weight: 400;\">U \u0161roubov\u00fdch spoj\u016f, kdy \u0161rouby jsou upevn\u011bny pouze v PVC profilu (d\u00edly kov\u00e1n\u00ed, r\u00e1mov\u00e1 lo\u017eiska), kles\u00e1 s\u00edla pro vytr\u017een\u00ed spoje u profil\u016f a\u017e o 20 % v&nbsp;porovn\u00e1n\u00ed s&nbsp;profily t\u0159\u00eddy A. P\u0159itom pevnost \u0161roubov\u00fdch spoj\u016f je velmi d\u016fle\u017eit\u00fdm faktorem pro bezpe\u010dnost a spolehlivost oken. Nespr\u00e1vn\u00e9 proveden\u00ed \u0161roubov\u00fdch spoj\u016f m\u016f\u017ee zp\u016fsobit ne\u017e\u00e1douc\u00ed deformace tvaru nebo povrchu plastov\u00fdch profil\u016f.<\/p>\n<p style=\"font-weight: 400;\">&nbsp;<\/p>\n<p style=\"font-weight: 400;\"><strong>Dopady na kvalitu i vlastnosti oken<\/strong><\/p>\n<p style=\"font-weight: 400;\">P\u0159i v\u00fdrob\u011b profil\u016f s men\u0161\u00ed tlou\u0161\u0165kou st\u011bn se pou\u017e\u00edv\u00e1 a\u017e o 10 % materi\u00e1lu m\u00e9n\u011b. To zp\u016fsobuje p\u0159i zat\u011b\u017eovac\u00edch testech v\u00fdznamn\u00e9 rozd\u00edly ve vlastnostech profil\u016f. A v d\u016fsledku v praxi t\u011b\u017eko odhadnuteln\u00e1 rizika: pokud jsou profily bez ur\u010dit\u00e9 rezervy bezpe\u010dnosti v&nbsp;re\u00e1ln\u00e9 praxi zpracov\u00e1v\u00e1ny za ne pr\u00e1v\u011b ide\u00e1ln\u00edch podm\u00ednek, m\u016f\u017ee pom\u011brn\u011b snadno doj\u00edt k tomu, \u017ee takto vyroben\u00e1 okna nespl\u0148uj\u00ed o\u010dek\u00e1van\u00e9 po\u017eadavky. D\u016fsledkem jsou pak reklamace spojen\u00e9 s&nbsp;dal\u0161\u00edmi n\u00e1klady, a tedy \u010dasto i ztr\u00e1ta d\u016fv\u011bry ve v\u00fdrobek a jeho dodavatele.<\/p>\n<p style=\"font-weight: 400;\">Ka\u017ed\u00fd z\u00e1jemce o nov\u00e1 plastov\u00e1 okna a dve\u0159e by m\u011bl vz\u00edt tyto informace p\u0159i sv\u00e9m v\u00fdb\u011bru v&nbsp;\u00favahu. Odpov\u011bdn\u00fd v\u00fdb\u011br se rozhodn\u011b nem\u016f\u017ee \u0159\u00eddit jen podle p\u0159\u00edzniv\u00e9 ceny. <em>\u201eMus\u00ed se p\u0159ihl\u00e9dnout i k&nbsp;jin\u00fdm faktor\u016fm v\u010detn\u011b vylou\u010den\u00ed v\u0161ech mo\u017en\u00fdch rizik, proto\u017ee okna nelze po p\u00e1r letech vym\u011bnit tak snadno jako poruchov\u00e9 ojet\u00e9 auto nebo nefunk\u010dn\u00ed dom\u00e1c\u00ed spot\u0159ebi\u010d,\u201c<\/em> uzav\u00edr\u00e1 Milan Klepsa.<\/p>\n<a href=\"https:\/\/www.phoenixcom.cz\/press\/wp-content\/uploads\/TZ-VEKA-A-vs-B-trida-FINAL.doc\" class=\"sc_button sc_button_style_regular theme_button sc_button_size_medium\">St\u00e1hnout tiskovou zpr\u00e1vu<\/a>\nngg_shortcode_0_placeholder\n","protected":false},"excerpt":{"rendered":"<p>Pokud pl\u00e1nujete instalaci plastov\u00fdch oken \u010di jejich v\u00fdm\u011bnu, ur\u010dit\u011b p\u0159i v\u00fdb\u011bru nezapome\u0148te na d\u016fle\u017eit\u00e9 krit\u00e9rium \u2013 t\u0159\u00eddu okenn\u00edho profilu, ze kter\u00e9ho je plastov\u00e9 okno vyrobeno. Okenn\u00ed profily se toti\u017e d\u011bl\u00ed do t\u0159\u00ed t\u0159\u00edd \u2013 A, B a C \u2013, p\u0159i\u010dem\u017e t\u0159\u00edda profilu m\u00e1 p\u0159\u00edm\u00fd vliv na pevnost, stabilitu i \u017eivotnost okna. Nap\u0159\u00edklad testy spole\u010dnosti VEKA [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":23594,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[166],"tags":[],"_links":{"self":[{"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/posts\/23587"}],"collection":[{"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/comments?post=23587"}],"version-history":[{"count":3,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/posts\/23587\/revisions"}],"predecessor-version":[{"id":23596,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/posts\/23587\/revisions\/23596"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/media\/23594"}],"wp:attachment":[{"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/media?parent=23587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/categories?post=23587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/tags?post=23587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}