{"id":9811,"date":"2025-07-03T02:21:14","date_gmt":"2025-07-03T02:21:14","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=9811"},"modified":"2025-07-03T02:21:14","modified_gmt":"2025-07-03T02:21:14","slug":"jsou-hlinikova-okna-lepsi-nez-plastova","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/are-aluminum-windows-better-than-vinyl\/","title":{"rendered":"Jsou hlin\u00edkov\u00e1 okna lep\u0161\u00ed ne\u017e plastov\u00e1?"},"content":{"rendered":"

\"Hlin\u00edkov\u00e1<\/figure>\n

S touto ot\u00e1zkou se \u010dasto setk\u00e1v\u00e1m p\u0159i rozhovorech s majiteli dom\u016f. Zaj\u00edm\u00e1 je, kter\u00fd typ okna jim bude nejl\u00e9pe vyhovovat.<\/p>\n

Ano, hlin\u00edkov\u00e1 okna mohou b\u00fdt v n\u011bkter\u00fdch ohledech lep\u0161\u00ed ne\u017e plastov\u00e1 - nab\u00edzej\u00ed pevnost, tenk\u00e9 r\u00e1my a modern\u00ed styl. Vinylov\u00e1 okna v\u0161ak mohou hlin\u00edk p\u0159ekonat v \u00faspo\u0159e energie a cen\u011b.<\/strong><\/p>\n

Pod\u00edvejme se na jejich porovn\u00e1n\u00ed v kl\u00ed\u010dov\u00fdch faktorech, abyste si mohli s jistotou vybrat.<\/p>\n

\n

Jak\u00e1 je energetick\u00e1 \u00fa\u010dinnost hlin\u00edkov\u00fdch a plastov\u00fdch oken?<\/h2>\n

Cht\u011bl jsem okno, kter\u00e9 by v zim\u011b udr\u017eovalo teplo a v l\u00e9t\u011b chlad. Dozv\u011bd\u011bl jsem se, \u017ee energetick\u00e1 \u00fa\u010dinnost z\u00e1vis\u00ed hlavn\u011b na izolaci a prostupu tepla.<\/p>\n

Hlin\u00edkov\u00e9 r\u00e1my p\u0159en\u00e1\u0161ej\u00ed teplo v\u00edce ne\u017e vinylov\u00e9. Vinylov\u00e9 r\u00e1my p\u0159irozen\u011b l\u00e9pe izoluj\u00ed. Plastov\u00e1 okna tedy obvykle v\u00edce sni\u017euj\u00ed n\u00e1klady na energie.<\/strong><\/p>\n

P\u0159enos tepla a sou\u010dinitel U<\/h3>\n

Hlin\u00edkov\u00e9 r\u00e1my jsou kovov\u00e9. Kov dob\u0159e vede teplo. V zim\u011b teplo snadno unik\u00e1. V l\u00e9t\u011b teplo rychle p\u0159ich\u00e1z\u00ed dovnit\u0159. Tento efekt ukazuje sou\u010dinitel U: ni\u017e\u0161\u00ed sou\u010dinitel U znamen\u00e1 lep\u0161\u00ed izolaci. Vinylov\u00e9 r\u00e1my maj\u00ed ni\u017e\u0161\u00ed hodnoty U-faktoru ne\u017e netemperovan\u00e9 hlin\u00edkov\u00e9 r\u00e1my.<\/p>\n\n\n\n\n\n\n\n
Typ okna<\/th>\nRozsah sou\u010dinitele U (Imperial)<\/th>\nRozsah sou\u010dinitele U (SI)<\/th>\n<\/tr>\n<\/thead>\n
Hlin\u00edk (netepeln\u00fd)<\/td>\n0.50-0.70<\/td>\n2,85-4,00 W\/m2K<\/td>\n<\/tr>\n
Hlin\u00edk (s tepelnou pojistkou)<\/td>\n0.30-0.45<\/td>\n1,70-2,55 W\/m2K<\/td>\n<\/tr>\n
Vinyl<\/td>\n0.25-0.40<\/td>\n1,40-2,30 W\/m2K<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tepeln\u00e1 p\u0159est\u00e1vka m\u00e1 velk\u00fd v\u00fdznam<\/h3>\n

N\u011bkter\u00e1 hlin\u00edkov\u00e1 okna obsahuj\u00ed tepelnou pojistku. To znamen\u00e1, \u017ee vnit\u0159n\u00ed a vn\u011bj\u0161\u00ed kov odd\u011bluje izola\u010dn\u00ed materi\u00e1l. Sni\u017euje tak p\u0159enos tepla. S dobr\u00fdm tepeln\u00fdm zlomem se hlin\u00edk m\u016f\u017ee vyrovnat plastu.<\/p>\n

\u00da\u010dinnost ovliv\u0148uje tak\u00e9 zasklen\u00ed<\/h3>\n

Materi\u00e1l r\u00e1mu nen\u00ed jedin\u00fdm faktorem. Z\u00e1le\u017e\u00ed tak\u00e9 na skle. Pom\u00e1haj\u00ed dvojit\u00e1 nebo trojit\u00e1 skla, n\u00edzkoemisn\u00ed vrstvy a plynov\u00e9 v\u00fdpln\u011b. Pro zv\u00fd\u0161en\u00ed \u00fa\u010dinnosti m\u016f\u017eete kombinovat oba r\u00e1my s vysoce v\u00fdkonn\u00fdmi skly.<\/p>\n

<\/svg> Vinylov\u00e9 r\u00e1my maj\u00ed obvykle ni\u017e\u0161\u00ed sou\u010dinitel prostupu tepla U ne\u017e hlin\u00edkov\u00e9 r\u00e1my bez tepeln\u00fdch mezer.<\/b>Pravda<\/span><\/p>

Vinyl je hor\u0161\u00ed vodi\u010d ne\u017e hlin\u00edkov\u00fd kov.<\/p><\/div>\n

<\/svg> Hlin\u00edk s tepelnou mezerou v\u017edy izoluje l\u00e9pe ne\u017e vinyl.<\/b>False<\/span><\/p>

Kvalita se li\u0161\u00ed a vinyl m\u00e1 \u010dasto st\u00e1le ni\u017e\u0161\u00ed U faktor.<\/p><\/div>\n

\n

Jak\u00e9 jsou rozd\u00edly v odolnosti hlin\u00edkov\u00fdch a vinylov\u00fdch oken?<\/h2>\n

Bydl\u00edm bl\u00edzko pob\u0159e\u017e\u00ed. Pot\u0159eboval jsem odoln\u00e1 okna. Pod\u00edval jsem se, jak dlouho jednotliv\u00e9 typy vydr\u017e\u00ed a jak se vyrovn\u00e1vaj\u00ed s opot\u0159eben\u00edm.<\/p>\n

Hlin\u00edk je pevn\u011bj\u0161\u00ed a l\u00e9pe odol\u00e1v\u00e1 deformac\u00edm. Vinyl m\u016f\u017ee v pr\u016fb\u011bhu desetilet\u00ed popraskat nebo vyblednout. Vinyl v\u0161ak odol\u00e1v\u00e1 korozi a vy\u017eaduje m\u00e9n\u011b \u00fadr\u017eby.<\/strong><\/p>\n

Pevnost a stabilita<\/h3>\n

Hlin\u00edkov\u00e9 r\u00e1my jsou pevn\u00e9 a tuh\u00e9. Teplem ani chladem se nedeformuj\u00ed, neoh\u00fdbaj\u00ed ani neproh\u00fdbaj\u00ed. Vinyl je pru\u017en\u011bj\u0161\u00ed. Extr\u00e9mn\u00ed zm\u011bny teplot mohou zp\u016fsobit, \u017ee se \u010dasem prohne nebo smr\u0161t\u00ed.<\/p>\n

Odolnost proti pov\u011btrnostn\u00edm vliv\u016fm a korozi<\/h3>\n

Hlin\u00edk s\u00e1m o sob\u011b odol\u00e1v\u00e1 korozi a hnilob\u011b. \u010casto m\u00e1 pr\u00e1\u0161kovou barvu nebo povrchovou \u00fapravu, kter\u00e1 br\u00e1n\u00ed korozi. Vinyl odol\u00e1v\u00e1 bublink\u00e1m, odlupov\u00e1n\u00ed nebo hnilob\u011b. Dob\u0159e zvl\u00e1d\u00e1 vlhkost s minim\u00e1ln\u00ed \u00fadr\u017ebou.<\/p>\n

Srovn\u00e1n\u00ed d\u00e9lky \u017eivota<\/h3>\n\n\n\n\n\n\n
Typ okna<\/th>\nTypick\u00e1 \u017eivotnost<\/th>\nPot\u0159eby \u00fadr\u017eby<\/th>\n<\/tr>\n<\/thead>\n
Hlin\u00edk<\/td>\n30-40 let<\/td>\nObnoven\u00ed n\u00e1t\u011br\u016f, maz\u00e1n\u00ed hardwaru<\/td>\n<\/tr>\n
Vinyl<\/td>\n20-30 let<\/td>\nVy\u010dist\u011bte kolejnice k\u0159\u00eddel, zkontrolujte t\u011bsn\u011bn\u00ed proti pov\u011btrnostn\u00edm vliv\u016fm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u00dadr\u017eba a opravy<\/h3>\n

Hlin\u00edkov\u00e9 r\u00e1my m\u016f\u017ee b\u00fdt nutn\u00e9 ka\u017ed\u00fdch 10-15 let znovu nat\u0159\u00edt nebo zu\u0161lechtit, zejm\u00e9na v drsn\u00fdch klimatick\u00fdch podm\u00ednk\u00e1ch. Vinyl je snadn\u00fd: sta\u010d\u00ed um\u00fdt vodou a m\u00fddlem. Nen\u00ed t\u0159eba jej nat\u00edrat ani ut\u011bs\u0148ovat. Chyb\u011bj\u00edc\u00ed tepeln\u00e9 mezery v hlin\u00edku mohou zp\u016fsobit kondenzaci vodn\u00ed p\u00e1ry; vinyl se tomu vyhne.<\/p>\n

<\/svg> Hlin\u00edkov\u00e9 r\u00e1my odol\u00e1vaj\u00ed deformac\u00edm a oh\u00fdb\u00e1n\u00ed l\u00e9pe ne\u017e vinylov\u00e9.<\/b>Pravda<\/span><\/p>

Kov je ze sv\u00e9 podstaty pevn\u011bj\u0161\u00ed ne\u017e PVC.<\/p><\/div>\n

<\/svg> Plastov\u00e1 okna maj\u00ed del\u0161\u00ed \u017eivotnost ne\u017e hlin\u00edkov\u00e1 ve v\u0161ech klimatick\u00fdch podm\u00ednk\u00e1ch.<\/b>False<\/span><\/p>

Vinyl m\u016f\u017ee vlivem UV z\u00e1\u0159en\u00ed a extr\u00e9mn\u00edho chladu degradovat, co\u017e sni\u017euje jeho \u017eivotnost.<\/p><\/div>\n

\n

Zvl\u00e1daj\u00ed hlin\u00edkov\u00e1 okna extr\u00e9mn\u00ed po\u010das\u00ed l\u00e9pe ne\u017e plastov\u00e1?<\/h2>\n

Nav\u0161t\u011bvuji domy v oblastech se siln\u00fdmi bou\u0159kami. Cht\u011bl jsem okna, kter\u00e1 vydr\u017e\u00ed.<\/p>\n

Hlin\u00edkov\u00e9 r\u00e1my jsou pevn\u011bj\u0161\u00ed a mohou pojmout v\u011bt\u0161\u00ed a siln\u011bj\u0161\u00ed sklo. D\u00edky tomu maj\u00ed lep\u0161\u00ed vlastnosti p\u0159i siln\u00e9m v\u011btru. Vinylov\u00e9 r\u00e1my se mohou pod tlakem oh\u00fdbat.<\/strong><\/p>\n

V\u00fdkonnost p\u0159i v\u011btru a n\u00e1razu<\/h3>\n

Hlin\u00edkov\u00e1 okna l\u00e9pe odol\u00e1vaj\u00ed tlaku v\u011btru. Jejich pevn\u00e9 r\u00e1my nesou velk\u00e9 sklen\u011bn\u00e9 tabule. To pom\u00e1h\u00e1 p\u0159i hodnocen\u00ed bou\u0159ky a struktur\u00e1ln\u00ed integrit\u011b. Vinylov\u00e9 r\u00e1my se mohou deformovat a oh\u00fdbat, co\u017e zp\u016fsobuje nam\u00e1h\u00e1n\u00ed t\u011bsn\u011bn\u00ed.<\/p>\n

Extr\u00e9my teplot<\/h3>\n

Hlin\u00edk se s teplotou v\u00edce rozp\u00edn\u00e1 a smr\u0161\u0165uje. \u0160pi\u010dkov\u00e1 hlin\u00edkov\u00e1 okna v\u0161ak obsahuj\u00ed tepeln\u00e9 pojistky, kter\u00e9 to zvl\u00e1dnou. Vinyl se tak\u00e9 rozp\u00edn\u00e1 a smr\u0161\u0165uje, ale obvykle m\u00e9n\u011b. V extr\u00e9mn\u00edm horku m\u016f\u017ee vinyl zm\u011bknout, v extr\u00e9mn\u00edm chladu m\u016f\u017ee zk\u0159ehnout.<\/p>\n

Hodnocen\u00ed bou\u0159ek a n\u00e1raz\u016f<\/h3>\n

Kvalitn\u00ed hlin\u00edkov\u00e1 okna maj\u00ed \u010dasto vy\u0161\u0161\u00ed konstruk\u010dn\u00ed tlak (DP). To znamen\u00e1, \u017ee proch\u00e1zej\u00ed testy NFRC a ASTM na rychlost v\u011btru a odolnost proti n\u00e1razu. Vinylov\u00e1 okna se li\u0161\u00ed; m\u00e9n\u011b model\u016f m\u00e1 tuto \u00farove\u0148 certifikace bez zes\u00edlen\u00ed.<\/p>\n

Kondenzace a vlhkost<\/h3>\n

U hlin\u00edku se \u0161patn\u00fdmi tepeln\u00fdmi p\u0159est\u00e1vkami m\u016f\u017ee za chladn\u00e9ho po\u010das\u00ed doch\u00e1zet ke kondenzaci. U vinylu je toto riziko men\u0161\u00ed. Extr\u00e9mn\u00ed vlhkost nebo net\u011bsn\u00e9 t\u011bsn\u011bn\u00ed v\u0161ak mohou zp\u016fsobit hromad\u011bn\u00ed vlhkosti i u plastov\u00fdch oken. Oboj\u00edmu napom\u00e1h\u00e1 spr\u00e1vn\u00e1 mont\u00e1\u017e a kvalitn\u00ed t\u011bsn\u011bn\u00ed.<\/p>\n

<\/svg> Hlin\u00edkov\u00e1 okna s vhodn\u00fdmi tepeln\u00fdmi mezerami mohou v odolnosti proti v\u011btru p\u0159ekonat plastov\u00e1 okna.<\/b>Pravda<\/span><\/p>

Pevnost kovu umo\u017e\u0148uje vy\u0161\u0161\u00ed hodnoty DP.<\/p><\/div>\n

<\/svg> Plastov\u00e1 okna nikdy netrp\u00ed probl\u00e9my s kondenzac\u00ed.<\/b>False<\/span><\/p>

Pokud je zasklen\u00ed nebo t\u011bsn\u011bn\u00ed \u0161patn\u00e9, m\u016f\u017ee na vinylu st\u00e1le doch\u00e1zet ke kondenzaci.<\/p><\/div>\n

\n

M\u011bl bych p\u0159i v\u00fdb\u011bru hlin\u00edku vs. vinylu zv\u00e1\u017eit tepeln\u00e9 p\u0159est\u00e1vky?<\/h2>\n

Kdy\u017e jsem se poprv\u00e9 pod\u00edval na hlin\u00edkov\u00e1 okna, ignoroval jsem tepeln\u00e9 p\u0159est\u00e1vky. Litoval jsem toho. Dozv\u011bd\u011bl jsem se, \u017ee je to kl\u00ed\u010dov\u00fd bod rozhodov\u00e1n\u00ed.<\/p>\n

Ano, tepeln\u00e1 pojistka je pro hlin\u00edkov\u00e1 okna nezbytn\u00e1. Bez n\u00ed jejich energetick\u00e1 \u00fa\u010dinnost zaost\u00e1v\u00e1 za plastov\u00fdmi okny. S n\u00ed se st\u00e1vaj\u00ed konkurenceschopn\u00fdmi.<\/strong><\/p>\n

Co je tepeln\u00e1 p\u0159est\u00e1vka?<\/h3>\n

Tepeln\u00e1 pojistka je nekovov\u00fd materi\u00e1l, nap\u0159\u00edklad polyamid, kter\u00fd odd\u011bluje vnit\u0159n\u00ed a vn\u011bj\u0161\u00ed hlin\u00edkov\u00fd r\u00e1m. Blokuje tepeln\u00fd tok. To zlep\u0161uje izolaci a\u017e o 50% v r\u00e1mu.<\/p>\n

V\u00fdhody tepeln\u00fdch p\u0159est\u00e1vek<\/h3>\n
    \n
  • Ni\u017e\u0161\u00ed sou\u010dinitel U bl\u00edzk\u00fd vinylov\u00fdm \u0159ad\u00e1m<\/li>\n
  • M\u00e9n\u011b kondenzace v chladn\u00e9m podneb\u00ed<\/li>\n
  • Vy\u0161\u0161\u00ed povrchov\u00e1 teplota, sn\u00ed\u017een\u00ed studen\u00e9ho pr\u016fvanu<\/li>\n
  • Pom\u00e1h\u00e1 splnit energetick\u00e9 p\u0159edpisy nebo normy pro ekologick\u00e9 budovy<\/li>\n<\/ul>\n

    Co je t\u0159eba zkontrolovat p\u0159ed n\u00e1kupem<\/h3>\n
      \n
    • Ujist\u011bte se, \u017ee je na okn\u011b uvedeno hodnocen\u00ed NFRC v\u010detn\u011b p\u0159est\u00e1vek.<\/li>\n
    • Zeptejte se na certifikaci, nap\u0159\u00edklad ENERGY STAR<\/li>\n
    • Ujist\u011bte se, \u017ee p\u0159eru\u0161en\u00ed proch\u00e1z\u00ed cel\u00fdm r\u00e1mem, nikoliv pouze \u010d\u00e1ste\u010dn\u00fdm kl\u00ednem.<\/li>\n
    • Porovnejte rozd\u00edl v n\u00e1kladech - p\u0159est\u00e1vky zvy\u0161uj\u00ed cenu, ale vyplat\u00ed se v \u00faspor\u00e1ch energie<\/li>\n<\/ul>\n

      Srovn\u00e1n\u00ed n\u00e1klad\u016f a \u00faspor energie<\/h3>\n\n\n\n\n\n\n\n
      Mo\u017enost<\/th>\nPo\u010d\u00e1te\u010dn\u00ed n\u00e1klady<\/th>\nRo\u010dn\u00ed \u00faspory energie<\/th>\n\u010cas zlomu*<\/th>\n<\/tr>\n<\/thead>\n
      Hlin\u00edk bez p\u0159eru\u0161en\u00ed<\/td>\nN\u00edzk\u00e1 a st\u0159edn\u00ed \u00farove\u0148<\/td>\nN\u00edzk\u00e1<\/td>\n>30 let<\/td>\n<\/tr>\n
      Hlin\u00edk s tepelnou pojistkou<\/td>\nSt\u0159edn\u011b vysok\u00e9<\/td>\nSt\u0159edn\u011b vysok\u00e9<\/td>\n10-15 let<\/td>\n<\/tr>\n
      Vinyl<\/td>\nN\u00edzk\u00e1 a st\u0159edn\u00ed \u00farove\u0148<\/td>\nSt\u0159edn\u00ed<\/td>\n8-12 let<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      * Doba dosa\u017een\u00ed rovnov\u00e1hy je odhad na z\u00e1klad\u011b n\u00e1klad\u016f na energii u\u0161et\u0159en\u00fdch v pr\u016fb\u011bhu \u010dasu.<\/p>\n

      <\/svg> Hlin\u00edkov\u00e1 okna bez tepeln\u00e9 pojistky maj\u00ed n\u00edzkou energetickou \u00fa\u010dinnost.<\/b>Pravda<\/span><\/p>

      Spojit\u00fd kov vede teplo, \u010d\u00edm\u017e zvy\u0161uje U faktor.<\/p><\/div>\n

      \n

      Z\u00e1v\u011br<\/h2>\n

      Pokud chcete co nejni\u017e\u0161\u00ed \u00fa\u010dty za energie a co nejjednodu\u0161\u0161\u00ed \u00fadr\u017ebu, m\u011bli byste zvolit vinyl. Hlin\u00edk vynik\u00e1 pevnost\u00ed, \u0161t\u00edhl\u00fdmi profily a extr\u00e9mn\u00ed odolnost\u00ed proti pov\u011btrnostn\u00edm vliv\u016fm - pokud p\u0159id\u00e1te tepeln\u00e9 pojistky. P\u0159i rozhodov\u00e1n\u00ed zhodno\u0165te sv\u00e9 klimatick\u00e9 podm\u00ednky, styl a dlouhodob\u00e9 n\u00e1klady.<\/p>","protected":false},"excerpt":{"rendered":"

      I often face this question when talking to homeowners. They wonder which window type will suit them best. Yes, aluminum windows can be better than vinyl in some ways\u2014they offer strength, slim frames, and modern style. But vinyl can beat aluminum in energy savings and cost. Let\u2019s dive into how they compare across key factors, […]<\/p>\n","protected":false},"author":6,"featured_media":9782,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-9811","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-custom-mold"],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/9811","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/comments?post=9811"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/9811\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/9782"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=9811"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=9811"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=9811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}