{"data":{"id":52,"slug":"ytong-vs-porotherm","title":"Ytong vs Porotherm","excerpt":"V\u00a0tomto \u010dl\u00e1nku porovn\u00e1me vlastnosti p\u00f3robetonu s keramikou, p\u0159esn\u011bji Porothermem Profi 24 s Ytongem P4 500 tl. 250 mm. Mnoho stavebn\u00edk\u016f se toti\u017e na porovn\u00e1n\u00ed t\u011bchto dvou z\u00e1kladn\u00edch materi\u00e1l\u016f zd\u011bn\u00ed pt\u00e1. Za\u010dneme t\u00edm, jak se oba materi\u00e1ly vyr\u00e1b\u011bj\u00ed. Ytong se vyr\u00e1b\u00ed v\u00a0autokl\u00e1vech z v\u00e1pna, p\u00edsku, vody a n","content":"<p><span style=\"font-weight: 400;\">V\u00a0tomto \u010dl\u00e1nku porovn\u00e1me vlastnosti p\u00f3robetonu s keramikou, p\u0159esn\u011bji Porothermem Profi 24 s Ytongem P4 500 tl. 250 mm. Mnoho stavebn\u00edk\u016f se toti\u017e na porovn\u00e1n\u00ed t\u011bchto dvou z\u00e1kladn\u00edch materi\u00e1l\u016f zd\u011bn\u00ed pt\u00e1. Za\u010dneme t\u00edm, jak se oba materi\u00e1ly vyr\u00e1b\u011bj\u00ed. <\/span><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Ytong<\/strong> se vyr\u00e1b\u00ed v\u00a0autokl\u00e1vech z v\u00e1pna, p\u00edsku, vody a nadouvadla (hlin\u00edkov\u00fd pr\u00e1\u0161ek). Vytvrzuje se vodn\u00ed parou o teplot\u011b okolo 200 \u00b0C. T\u00edmto postupem vznik\u00e1 kompaktn\u00ed blok s obrovsk\u00fdm mno\u017estv\u00edm uzav\u0159en\u00fdch mikrop\u00f3r\u016f, kter\u00fd je n\u00e1sledn\u011b roz\u0159ez\u00e1n na po\u017eadovanou velikost tv\u00e1rnic.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Porotherm<\/strong> vznik\u00e1 prim\u00e1rn\u011b z hl\u00edny s r\u016fzn\u00fdmi p\u0159\u00edsadami, z\u00e1le\u017e\u00ed na lokalit\u011b v\u00fdroby a kvalit\u011b hl\u00edny. Proces zahrnuje prom\u00edsen\u00ed, vylisov\u00e1n\u00ed, su\u0161en\u00ed a n\u00e1sledn\u00fd v\u00fdpal v pec\u00edch p\u0159i teplot\u00e1ch cca 900 a\u017e 1000 \u00b0C. Vznik\u00e1 jednotn\u00e1 vysu\u0161en\u00e1 tv\u00e1rnice bez mikrop\u00f3r\u016f.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Od procesu v\u00fdroby a v\u00fdsledn\u00e9 struktury se odv\u00edjej\u00ed v\u00fdhody a nev\u00fdhody obou materi\u00e1l\u016f. Pod\u00edvejme se na jejich jednotliv\u00e9 vlastnosti:<\/span><\/p>\n<p><a href=\"http:\/\/www.dumproradost.cz\/wp-content\/uploads\/2015\/11\/1-A.jpg\"><img alt=\"1-A\" class=\"aligncenter wp-image-155 size-full\" height=\"650\" loading=\"lazy\" sizes=\"(max-width: 900px) 100vw, 900px\" src=\"\/storage\/images\/1-A.jpg\" srcset=\"https:\/\/www.dumproradost.cz\/wp-content\/uploads\/2015\/11\/1-A.jpg 900w, https:\/\/www.dumproradost.cz\/wp-content\/uploads\/2015\/11\/1-A-300x217.jpg 300w\" width=\"900\"\/><\/a><\/p>\n<p><a href=\"http:\/\/www.dumproradost.cz\/wp-content\/uploads\/2016\/03\/1-B.jpg\"><img alt=\"1-B\" class=\"aligncenter wp-image-153 size-full\" height=\"650\" loading=\"lazy\" sizes=\"(max-width: 900px) 100vw, 900px\" src=\"\/storage\/images\/1-B.jpg\" srcset=\"https:\/\/www.dumproradost.cz\/wp-content\/uploads\/2016\/03\/1-B.jpg 900w, https:\/\/www.dumproradost.cz\/wp-content\/uploads\/2016\/03\/1-B-300x217.jpg 300w\" width=\"900\"\/><\/a><\/p>\n<p><strong>Akustika \u2013 index vzduchov\u00e9 nepr\u016fzvu\u010dnosti Rw<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Ve skladb\u011b obvodov\u00fdch st\u011bn neb\u00fdvaj\u00ed v podstat\u011b \u017e\u00e1dn\u00e9 probl\u00e9my s hlukem. Nejslab\u0161\u00edm prvkem obvodov\u00e9ho syst\u00e9mu jsou v\u017edy okna a dve\u0159e.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">P\u0159i porovn\u00e1n\u00ed jednovrstv\u00e9ho zdiva projde o n\u011bco m\u00e9n\u011b hluku Ytongem:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Ytong P4 500 tl. 250 mm \u2013 47 dB<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Porotherm Profi 24 \u2013 49 dB<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ve spojen\u00ed se zateplovac\u00edm syst\u00e9mem (polystyr\u00e9nem) rozd\u00edl 2 dB vyrovn\u00e1v\u00e1 kotven\u00ed izolantu a n\u00e1sledn\u00e1 pr\u016fzvu\u010dnost Porothermu ve svisl\u00e9m sm\u011bru.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Podobnou hlukovou d\u00edru p\u0159edstavuj\u00ed tak\u00e9 vnit\u0159n\u00ed dve\u0159e. Probl\u00e9mem mohou b\u00fdt p\u0159edev\u0161\u00edm vnit\u0159n\u00ed d\u011bl\u00edc\u00ed p\u0159\u00ed\u010dky. Pro porovn\u00e1n\u00ed:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0Ytong 100 mm \u2013 37 dB<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0Ytong 125 mm \u2013 39 dB<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0Ytong 150 mm \u2013 41 dB<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0Porotherm 115 mm \u2013 42 dB<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> \u00a0\u00a0\u00a0Porotherm 140 mm \u2013 43 dB<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Na prvn\u00ed pohled jde pouze o drobn\u00e9 rozd\u00edly. V\u00a0praxi ale nar\u016fstaj\u00ed do ob\u0159\u00edch rozm\u011br\u016f. Vzhledem k\u00a0tomu, \u017ee se jedn\u00e1 o logaritmickou funkci, znamen\u00e1 rozd\u00edl 3 dB polovi\u010dn\u00ed \u00fatlum hluku! Velmi nep\u0159\u00edjemn\u00e9 to m\u016f\u017ee b\u00fdt nap\u0159. u koupelny soused\u00edc\u00ed s obytnou m\u00edstnost\u00ed. Rozvod vody zasekan\u00fd v d\u011bl\u00edc\u00ed p\u0159\u00ed\u010dce tl. 100 je akustick\u00fdm ne\u0161t\u011bst\u00edm. U p\u0159\u00ed\u010dek mezi pokoji proto dejte p\u0159i pou\u017eit\u00ed Ytongu velk\u00fd pozor na proveden\u00ed instalac\u00ed.<\/span><\/p>\n<p><strong>Pevnost v tlaku<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Co se t\u00fd\u010de pevnosti materi\u00e1lu, tv\u00e1rnice Porothermu b\u00fdvaj\u00ed v\u00a0porovn\u00e1n\u00ed s\u00a0Ytongem v\u011bt\u0161inou dvakr\u00e1t pevn\u011bj\u0161\u00ed. P\u0159i stavb\u011b rodinn\u00fdch dom\u016f to v\u0161ak nehraje p\u0159\u00edli\u0161 d\u016fle\u017eitou roli, proto\u017ee pevnost ytongov\u00e9ho zdiva pro stavbu patrov\u00fdch obytn\u00fdch dom\u016f sta\u010d\u00ed (jen pozor na seismick\u00e9 oblasti). Probl\u00e9m u Ytongu nast\u00e1v\u00e1 u p\u0159eklad\u016f p\u0159i sv\u011btlosti otvoru nad 1\u00a0500 mm, zde jsou cenov\u011b srovnateln\u00e9 a z\u00e1rove\u0148 v\u00fdrazn\u011b \u00fanosn\u011bj\u0161\u00ed p\u0159eklady Porotherm. Ytong p\u0159eklady jsou v tl. 250 mm a sv\u011btlosti otvoru v podstat\u011b nepou\u017eiteln\u00e9.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Zde jsou konkr\u00e9tn\u00ed rozd\u00edly:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">P\u0159eklad Ytong tl. 250 mm pro sv\u011btlost otvoru 1500 mm \u2013 17 kN\/m<\/span><\/li>\n<li><span style=\"font-weight: 400;\">3x p\u0159eklad Porotherm 7 tzn. tl. 240 mm \u2013 43 kN\/m<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Pevnost v tlaku nen\u00ed parametrem, podle n\u011bho\u017e by bylo mo\u017en\u00e9 se p\u0159i stavb\u011b rodinn\u00e9ho domu p\u0159iklonit k\u00a0jednomu \u010di druh\u00e9mu materi\u00e1lu. U tohoto typu stavby spln\u00ed ve\u0161ker\u00e9 pot\u0159eby oba. V\u00a0p\u0159\u00edpad\u011b domu z Ytongu s velk\u00fdmi okny se pak na p\u0159eklady vyplat\u00ed pou\u017e\u00edt Porotherm. <\/span><\/p>\n<p>\u00a0<\/p>\n<p><strong>Radioaktivita<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">\u010cast\u00fdm t\u00e9matem je v\u00a0souvislosti s p\u00f3robetonem radioaktivita. Za \u0159e\u010d v\u0161ak stoj\u00ed pouze u \u0161ed\u00e9ho p\u00f3robetonu vyroben\u00e9ho z elektr\u00e1rensk\u00e9ho pop\u00edlku. U Ytongu jsou nam\u011b\u0159en\u00e9 hodnoty radioaktivity velice n\u00edzk\u00e9, dle r\u016fzn\u00fdch studi\u00ed se pohybuj\u00ed na t\u0159etinov\u00e9 hodnot\u011b oproti keramice. V technick\u00fdch listech Porothermu bohu\u017eel nelze konkr\u00e9tn\u00ed hodnoty dohledat.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ani m\u00edra radioaktivity v\u00e1s p\u0159i v\u00fdb\u011bru materi\u00e1lu nemus\u00ed tr\u00e1pit. Oba jsou toti\u017e naprosto zdravotn\u011b nez\u00e1vadn\u00e9.<\/span><\/p>\n<p>\u00a0<\/p>\n<p><strong>Tepeln\u011b technick\u00e9 parametry<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Sou\u010dinitel prostupu tepla:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Ytong P4-500 tl. 250 mm \u2013 0,5 W\/m\u00b2K<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Porotherm 24 Profi \u2013 0,85 W\/ m\u00b2K<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Rozd\u00edl je cca 3 cm EPS.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Jestli\u017ee porovn\u00e1me tento parametr p\u0159i vlhkosti materi\u00e1lu dovezen\u00e9ho na stavbu, rozd\u00edl bude m\u00e9n\u011b v\u00fdrazn\u00fd. Obrovskou v\u00fdhodou Ytongu je izometrie, tedy ve v\u0161ech sm\u011brech shodn\u00e9 vlastnosti jednotliv\u00fdch parametr\u016f materi\u00e1lu. U Porothermu se tepeln\u011b technick\u00e9 parametry uv\u00e1d\u011bj\u00ed ve sm\u011bru vodorovn\u00e9m pro exteri\u00e9r i interi\u00e9r. Hodnoty pro sm\u011br svisl\u00fd v technick\u00fdch listech Porothermu t\u011b\u017eko dohled\u00e1me. Jsou ov\u0161em v\u0161eobecn\u011b zn\u00e1m\u00e9. Ve svisl\u00e9m sm\u011bru dosahuj\u00ed zhruba p\u011btinov\u00e9 hodnoty a ve sm\u011bru vodorovn\u00e9m pod\u00e9ln\u011b s tv\u00e1rnic\u00ed zhruba t\u0159etinov\u00e9 v porovn\u00e1n\u00ed s hodnotou 0,85 W\/ m\u00b2K. Tato velmi nep\u0159\u00edjemn\u00e1 vlastnost vede ke spoust\u011b detail\u016f, kter\u00e9 mus\u00edme v projektu vy\u0159e\u0161it \u2013 nap\u0159. zalo\u017een\u00ed zdiva a p\u0159\u00ed\u010dek, osazen\u00ed oken, zd\u011bn\u00ed \u0161t\u00edt\u016f a atik\u2026 V tepeln\u011b izola\u010dn\u00edch vlastnostech vede zdivo z Ytongu. \u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u011brn\u00e1 tepeln\u00e1 kapacita a akumulace tepla je u obou materi\u00e1l\u016f velice podobn\u00e1. Vzhledem k v\u011bt\u0161\u00ed objemov\u00e9 hmotnosti tv\u00e1rnic Porothermu Profi 24 v\u016f\u010di Ytongu P4 500 tl. 250 mm, dok\u00e1\u017ee prvn\u00ed jmenovan\u00fd pojmout zhruba o 20 procent v\u00edce tepla. Nab\u00eddne tedy lep\u0161\u00ed tepelnou setrva\u010dnost. Je-li pro v\u00e1s akumulace tepla z\u00e1sadn\u00ed ot\u00e1zkou, Porotherm m\u00e1 zde m\u00edrn\u011b navrch.<\/span><\/p>\n<p>\u00a0<\/p>\n<p><strong>U\u017eit\u00ed ve stavb\u011b<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Pod\u00edvejme se tak\u00e9 na dostupnost obou materi\u00e1l\u016f. Porotherm pro tl. tv\u00e1rnic 24 cm nedod\u00e1v\u00e1 cel\u00fd sortiment. K\u00a0sehn\u00e1n\u00ed jsou pouze cel\u00e9 tv\u00e1rnice. Pokud projektant naprojektuje rodinn\u00fd d\u016fm do modulu Porothermu, co\u017e se m\u00e1lokdy povede, nikdy na stavb\u011b rozm\u011bry nevyjdou \u00fapln\u011b p\u0159esn\u011b. Vzhledem k toleranc\u00edm, kter\u00e9 jsou ve v\u00fdrob\u011b keramick\u00fdch tv\u00e1rnic povoleny, vznikaj\u00ed n\u011bkolikacentimetrov\u00e9 do\u0159ezy. Pokud keramickou tv\u00e1rnici roz\u0159\u00edzneme a na jedn\u00e9 stran\u011b p\u0159ijde o obvodov\u00fd r\u00e1me\u010dek, velmi v\u00fdrazn\u011b ztr\u00e1c\u00ed na pevnosti.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Zde nab\u00edz\u00ed velkou v\u00fdhodu Ytong \u2013 bezprobl\u00e9mov\u00e9 dr\u00e1\u017ekov\u00e1n\u00ed, do\u0159ezy, se\u0159\u00edznut\u00ed atd. Dokonce i slo\u017eit\u011bj\u0161\u00ed prvky jako ark\u00fd\u0159, vik\u00fd\u0159 \u010di rizalit se daj\u00ed z Ytongu docela p\u011bkn\u011b vyzd\u00edt. U tvarov\u011b jednoduch\u00fdch dom\u016f je rozd\u00edl v pou\u017eit\u00ed materi\u00e1l\u016f minim\u00e1ln\u00ed. Jestli\u017ee v\u0161ak zva\u017eujete tvarov\u011b slo\u017eit\u011bj\u0161\u00ed d\u016fm, Ytong si p\u0159ip\u00ed\u0161e plusov\u00e9 body.<\/span><\/p>\n<p>\u00a0<\/p>\n<p><strong>Vlhkost<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Zabudovan\u00e1 vlhkost v Ytongu v okam\u017eiku, kdy doraz\u00ed na stavbu, pat\u0159\u00ed k nejv\u011bt\u0161\u00edm nev\u00fdhod\u00e1m tohoto materi\u00e1lu. V extr\u00e9mech dosahuje a\u017e 40 procent. Vzhledem k procesu v\u00fdroby doch\u00e1z\u00ed u Ytongu ke smr\u0161t\u011bn\u00ed, naopak u Porothermu k rozta\u017enosti materi\u00e1lu. Tento rozd\u00edl p\u0159in\u00e1\u0161\u00ed rozd\u00edln\u00e9 \u0159e\u0161en\u00ed detail\u016f.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Co se t\u00fd\u010de n\u00e1sledn\u00e9ho bydlen\u00ed, dok\u00e1\u017ee Ytong v\u00fdrazn\u011b l\u00e9pe pracovat s vlhkost\u00ed v interi\u00e9ru. P\u0159i jej\u00edch zv\u00fd\u0161en\u00fdch hodnot\u00e1ch um\u00ed vlhkost absorbovat, a pot\u00e9 ji zp\u011bt do interi\u00e9ru vracet. U Porothermu doch\u00e1z\u00ed velmi \u010dasto k vysou\u0161en\u00ed vzduchu v m\u00edstnostech. Regulace vlhkosti je v p\u0159\u00edpad\u011b tohoto materi\u00e1lu podobn\u011b nep\u0159\u00edjemn\u00e1 jako p\u0159i pou\u017eit\u00ed betonu (nap\u0159. u panel\u00e1k\u016f). Ka\u017ed\u00fd zd\u011bn\u00fd d\u016fm je nutn\u00e9 prvn\u00ed m\u011bs\u00edce intenzivn\u011b v\u011btrat. U Ytongu to plat\u00ed dvojn\u00e1sob. Pozd\u011bji v\u0161ak zajist\u00ed p\u0159\u00edjemn\u011bj\u0161\u00ed klima pro \u017eivot. <\/span><\/p>\n<p>\u00a0<\/p>\n<p><strong>Nas\u00e1kavost<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Jedno z nejv\u011bt\u0161\u00edch dogmat o p\u00f3robetonu mluv\u00ed o jeho nas\u00e1kavosti. P\u0159i pono\u0159en\u00ed do vody nas\u00e1kne p\u00f3robetonov\u00e1 tv\u00e1rnice m\u00e9n\u011b vody ne\u017e keramick\u00e1. Tuto vlastnost op\u011bt zp\u016fsobuje proces v\u00fdroby. V\u00a0p\u00f3robetonu, jak u\u017e napov\u00edd\u00e1 samotn\u00fd n\u00e1zev, najdeme velk\u00e9 mno\u017estv\u00ed mikrop\u00f3r\u016f zabra\u0148uj\u00edc\u00edch vzl\u00ednavosti. Naproti tomu dob\u0159e vyp\u00e1len\u00e1 a zhutn\u011bn\u00e1 keramick\u00e1 tv\u00e1rnice je velmi m\u00e1lo por\u00e9zn\u00ed a p\u0159i pono\u0159en\u00ed do vody dojde k\u00a0jej\u00edmu velmi rychl\u00e9mu nas\u00e1knut\u00ed. T\u00edm je tak\u00e9 d\u00e1na lep\u0161\u00ed mrazuvzdornost tv\u00e1rnic z p\u00f3robetonu v\u016f\u010di keramice. Pro pou\u017eit\u00ed na stavbu rodinn\u00fdch dom\u016f velmi cenn\u00e1 vlastnost.<\/span><\/p>\n<p>\u00a0<\/p>\n<p><strong>Zat\u011bsn\u011bn\u00ed rodinn\u00e9ho domu<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">P\u0159i pou\u017eit\u00ed \u0159\u00edzen\u00e9ho v\u011btr\u00e1n\u00ed (i bez) u rodinn\u00e9ho domu vyzd\u011bn\u00e9ho z keramick\u00fdch tv\u00e1rnic doch\u00e1z\u00ed k velmi nep\u0159\u00edjemn\u00e9mu jevu. Jedn\u00e1 se v podstat\u011b o pr\u016fvan nap\u0159. v\u00a0p\u0159\u00ed\u010dk\u00e1ch. Sta\u010d\u00ed pou\u017e\u00edt net\u011bsnou elektroinstala\u010dn\u00ed krabici a probl\u00e9m je na sv\u011bt\u011b. Tato situace nem\u016f\u017ee nastat p\u0159i pou\u017eit\u00ed homogenn\u00edch p\u00f3robetonov\u00fdch tv\u00e1rnic.<\/span><\/p>\n<p>\u00a0<\/p>\n<p><strong>Ekologick\u00e1 n\u00e1ro\u010dnost p\u0159i v\u00fdrob\u011b<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Hodnoty v\u00e1zan\u00e9 prim\u00e1rn\u00ed energie:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">Ytong tl. 300 mm \u2013 412 MJ\/m\u00b2<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Porotherm tl. 300 mm \u2013 597 MJ\/m\u00b2<\/span><\/li>\n<li><span style=\"font-weight: 400;\">P\u0159i v\u00fdrob\u011b Porothermu je do ovzdu\u0161\u00ed uvoln\u011bno tak\u00e9 v\u00edce oxidu uhli\u010dit\u00e9ho a oxidu si\u0159i\u010dit\u00e9ho.<\/span><\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<p><strong>Cena<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Finan\u010dn\u00ed dostupnost je u obou materi\u00e1l\u016f obdobn\u00e1.<\/span><\/p>\n<p>\u00a0<\/p>\n<p><strong>Z\u00e1v\u011br<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Z Ytongu i Porothermu lze postavit d\u016fm vynikaj\u00edc\u00edch kvalit, kter\u00e9 v\u00fdrazn\u011b p\u0159ev\u00fd\u0161\u00ed obvykl\u00e9 d\u0159evostavby \u010di domy z betonov\u00fdch panel\u016f. Oba materi\u00e1ly maj\u00ed sv\u00e1 specifika, je\u017e je nutn\u00e9 p\u0159i stavb\u011b zohlednit. Mnoho detail\u016f stavby se \u0159e\u0161\u00ed zcela odli\u0161n\u011b p\u0159i pou\u017eit\u00ed keramiky nebo p\u00f3robetonu. Pr\u00e1v\u011b tyto odli\u0161nosti si n\u011bkte\u0159\u00ed stavebn\u00edci neuv\u011bdomuj\u00ed a ke stavb\u011b z obou materi\u00e1l\u016f p\u0159istupuj\u00ed stejn\u011b, co\u017e je chyba. V n\u011bkter\u00e9m dal\u0161\u00edm \u010dl\u00e1nku vysv\u011btl\u00edme, na co v\u0161echno si d\u00e1t pozor p\u0159i stavb\u011b z\u00a0Porothermu, a na co p\u0159i pou\u017eit\u00ed Ytongu.<\/span><\/p>\n","featured_image":"https:\/\/test.cekit.cz\/storage\/images\/1-A.jpg","published_at":"2015-11-18T15:51:17+00:00","reading_time":9,"view_count":9,"original_url":"https:\/\/www.dumproradost.cz\/2015\/ytong-vs-porotherm\/","meta_title":null,"meta_description":null,"author":{"id":2,"name":"Radek Mou\u010dka","slug":"radek-moucka","avatar":null},"categories":[{"id":5,"name":"Stavebni materialy","slug":"stavebni-materialy","color":"#2563eb","icon":null,"sort_order":0}]}}