{"id":1149,"date":"2026-03-22T09:44:04","date_gmt":"2026-03-22T08:44:04","guid":{"rendered":"https:\/\/centrumbydleni.cz\/?p=1149"},"modified":"2026-03-22T09:49:18","modified_gmt":"2026-03-22T08:49:18","slug":"jak-betonove-bloky-usetrily-stavbe-rodinneho-domu-tri-tydny-casu","status":"publish","type":"post","link":"https:\/\/www.centrumbydleni.cz\/?p=1149","title":{"rendered":"Jak betonov\u00e9 bloky u\u0161et\u0159ily stavb\u011b rodinn\u00e9ho domu t\u0159i t\u00fddny \u010dasu"},"content":{"rendered":"\n

Kdy\u017e jsem letos na ja\u0159e za\u010dal stav\u011bt d\u016fm pro rodinu Nov\u00e1k\u016f v Ostrav\u011b-Jih, netu\u0161il jsem, \u017ee se projekt prot\u00e1hne kv\u016fli probl\u00e9m\u016fm s dod\u00e1vkami materi\u00e1lu. P\u016fvodn\u00ed pl\u00e1n po\u010d\u00edtal s klasick\u00fdmi cihlami, ale dodavatel n\u00e1s zklamal t\u011bsn\u011b p\u0159ed zah\u00e1jen\u00edm zd\u011bn\u00ed. St\u00e1li jsme na staveni\u0161ti s hotov\u00fdmi z\u00e1klady a nem\u011bli z \u010deho stav\u011bt. Pr\u00e1v\u011b v t\u00e9 chv\u00edli mi kolega doporu\u010dil betonov\u00e9 bloky<\/a> jako rychl\u00e9 \u0159e\u0161en\u00ed. Zpo\u010d\u00e1tku jsem byl skeptick\u00fd \u2013 p\u0159ece jen jsem zvykl\u00fd na tradi\u010dn\u00ed postupy. Ale \u010dasov\u00e1 t\u00edse\u0148 m\u011b donutila vyzkou\u0161et n\u011bco nov\u00e9ho.<\/p>\n\n\n\n

Pro\u010d betonov\u00e9 bloky p\u0159ed\u010dily moje o\u010dek\u00e1v\u00e1n\u00ed?<\/strong><\/h2>\n\n\n\n

Prvn\u00ed den pr\u00e1ce s nov\u00fdm materi\u00e1lem m\u011b \u00fapln\u011b p\u0159evr\u00e1til. Zat\u00edmco s cihlami bychom denn\u011b vyzdili maxim\u00e1ln\u011b dv\u011b v\u00fd\u0161ky, s betonov\u00fdmi bloky jsme zvl\u00e1dali skoro dvojn\u00e1sobek. Jejich rozm\u011bry 25x25x50 centimetr\u016f znamenaly, \u017ee jeden blok nahradil osm klasick\u00fdch cihel. Nav\u00edc jejich p\u0159esn\u00e9 rozm\u011bry a rovn\u00e9 hrany zna\u010dn\u011b urychlily cel\u00fd proces. Nemusel jsem ka\u017ed\u00fd kus pe\u010dliv\u011b kontrolovat a vyrovn\u00e1vat. Pr\u00e1ce \u0161la jako po m\u00e1sle a j\u00e1 vid\u011bl, jak se st\u011bny domu zvedaj\u00ed rychlost\u00ed, na kterou jsem nebyl zvykl\u00fd.<\/p>\n\n\n\n

Jak rychlost ovlivnila celkov\u00e9 n\u00e1klady projektu?<\/strong><\/h2>\n\n\n\n

Nejv\u011bt\u0161\u00ed p\u0159ekvapen\u00ed p\u0159i\u0161lo p\u0159i kalkulaci fin\u00e1ln\u00edch n\u00e1klad\u016f. U\u0161et\u0159en\u00e9 t\u0159i t\u00fddny pr\u00e1ce znamenaly nejen d\u0159\u00edv\u011bj\u0161\u00ed nast\u011bhov\u00e1n\u00ed rodiny, ale p\u0159edev\u0161\u00edm v\u00fdznamnou \u00fasporu na mzd\u00e1ch. Za t\u00fdden pr\u00e1ce \u010dty\u0159\u010dlenn\u00e9 party plat\u00edm 45 tis\u00edc korun, tak\u017ee \u00faspora \u010dinila t\u00e9m\u011b\u0159 135 tis\u00edc. I kdy\u017e betonov\u00e9 bloky byly o n\u011bco dra\u017e\u0161\u00ed ne\u017e p\u016fvodn\u011b pl\u00e1novan\u00e9 cihly, celkov\u00e1 bilance vy\u0161la jednozna\u010dn\u011b v jejich prosp\u011bch. Rodina Nov\u00e1k\u016f nav\u00edc u\u0161et\u0159ila na do\u010dasn\u00e9m bydlen\u00ed, proto\u017ee se mohla nast\u011bhovat o m\u011bs\u00edc d\u0159\u00edve.<\/p>\n\n\n\n

Co \u0159\u00edkaj\u00ed na tepeln\u00e9 vlastnosti odborn\u00edci?<\/strong><\/h2>\n\n\n\n

Zpo\u010d\u00e1tku jsem m\u011bl obavy z tepeln\u00fdch vlastnost\u00ed, ale realita m\u011b op\u011bt p\u0159\u00edjemn\u011b p\u0159ekvapila. Modern\u00ed betonov\u00e9 bloky dosahuj\u00ed tepeln\u00e9ho odporu srovnateln\u00e9ho s kvalitn\u00edmi cihlami, p\u0159itom nab\u00edzej\u00ed lep\u0161\u00ed akumulaci tepla. V zim\u011b 2026 mi pan\u00ed Nov\u00e1kov\u00e1 volala, jak je spokojen\u00e1 s vyrovnanou teplotou v dom\u011b. Zdi z betonov\u00fdch blok\u016f toti\u017e funguj\u00ed jako tepeln\u00fd z\u00e1sobn\u00edk \u2013 p\u0159es den akumuluj\u00ed teplo a v noci ho postupn\u011b uvol\u0148uj\u00ed. Energetick\u00fd \u0161t\u00edtek domu dokonce dos\u00e1hl kategorie A, co\u017e p\u0159ed\u010dilo na\u0161e o\u010dek\u00e1v\u00e1n\u00ed.<\/p>\n\n\n\n

Kdy se betonov\u00e9 bloky nevyplat\u00ed pou\u017e\u00edt?<\/strong><\/h2>\n\n\n\n

Mus\u00edm b\u00fdt f\u00e9rov\u00fd \u2013 betonov\u00e9 bloky nejsou v\u0161el\u00e9k. Na mal\u00fdch stavb\u00e1ch pod dvacet metr\u016f \u010dtvere\u010dn\u00edch se jejich v\u00fdhoda vytr\u00e1c\u00ed, proto\u017ee tam stejn\u011b nepot\u0159ebujete takovou rychlost zd\u011bn\u00ed. Tak\u00e9 p\u0159i rekonstrukc\u00edch star\u00fdch objekt\u016f, kde mus\u00edte dodr\u017eet p\u016fvodn\u00ed tlou\u0161\u0165ky zd\u00ed, mohou b\u00fdt problematick\u00e9 kv\u016fli standardizovan\u00fdm rozm\u011br\u016fm. A pokud stav\u00edte n\u011bkde, kde je probl\u00e9m s dopravou t\u011b\u017ek\u00e9ho materi\u00e1lu, klasick\u00e9 cihly jsou prakti\u010dt\u011bj\u0161\u00ed.<\/p>\n\n\n\n

Kde naj\u00edt kvalitn\u00ed dodavatele betonu pro bloky?<\/strong><\/h2>\n\n\n\n

Pro v\u00fdrobu kvalitn\u00edch betonov\u00fdch blok\u016f je kl\u00ed\u010dov\u00fd spr\u00e1vn\u00fd beton s p\u0159esn\u00fdm pom\u011brem slo\u017eek. Po n\u011bkolika ne zcela poveden\u00fdch zku\u0161enostech jsem objevil ostravskou spole\u010dnost Petrok\u00e1men<\/a> na M\u00edsteck\u00e9 ulici, kter\u00e1 dod\u00e1v\u00e1 beton p\u0159esn\u011b podle specifikac\u00ed v\u00fdrobc\u016f blok\u016f. Jejich kapacita 35 kub\u00edk\u016f za hodinu umo\u017e\u0148uje plynulou v\u00fdrobu i pro v\u011bt\u0161\u00ed projekty a minim\u00e1ln\u00ed odb\u011br pouh\u00fdch 0,3 kub\u00edku vyhovuje i men\u0161\u00edm zak\u00e1zk\u00e1m. Provoz od \u0161esti r\u00e1no a\u017e do sedmi ve\u010der nav\u00edc perfektn\u011b zapad\u00e1 do rytmu stavby.<\/p>\n","protected":false},"excerpt":{"rendered":"

Kdy\u017e jsem letos na ja\u0159e za\u010dal stav\u011bt d\u016fm pro rodinu Nov\u00e1k\u016f v Ostrav\u011b-Jih, netu\u0161il jsem, \u017ee se projekt prot\u00e1hne kv\u016fli probl\u00e9m\u016fm s dod\u00e1vkami materi\u00e1lu. P\u016fvodn\u00ed pl\u00e1n po\u010d\u00edtal s klasick\u00fdmi cihlami, ale dodavatel n\u00e1s zklamal t\u011bsn\u011b p\u0159ed zah\u00e1jen\u00edm zd\u011bn\u00ed. St\u00e1li jsme na staveni\u0161ti s hotov\u00fdmi z\u00e1klady a nem\u011bli z \u010deho stav\u011bt. Pr\u00e1v\u011b v t\u00e9 chv\u00edli mi […]<\/p>\n","protected":false},"author":1,"featured_media":1152,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-1149","post","type-post","status-publish","format-standard","has-post-thumbnail","category-rady-a-navody"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t