{"id":845,"date":"2021-09-12T18:31:20","date_gmt":"2021-09-12T16:31:20","guid":{"rendered":"https:\/\/denikbydleni.cz\/?p=845"},"modified":"2021-09-12T18:31:20","modified_gmt":"2021-09-12T16:31:20","slug":"poznejte-4-nejcastejsi-priciny-praskani-omitek","status":"publish","type":"post","link":"https:\/\/denikbydleni.cz\/?p=845","title":{"rendered":"Poznejte 4 nej\u010dast\u011bj\u0161\u00ed p\u0159\u00ed\u010diny prask\u00e1n\u00ed om\u00edtek"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Om\u00edtka m\u00e1 zdivo nejen zkr\u00e1\u0161lovat, ale p\u0159edev\u0161\u00edm chr\u00e1nit. Aby mohla tuto funkci plnit, mus\u00ed b\u00fdt nepo\u0161kozen\u00e1, bez trhlin. Pokud se trhliny objev\u00ed, mohou m\u00edt r\u016fzn\u00fd d\u016fvod a poukazovat na mnoh\u00e9 z\u00e1va\u017en\u00e9 chyby, kter\u00e9 b\u011bhem stavby vznikly. Jejich n\u00e1sledky neb\u00fdvaj\u00ed p\u0159\u00edjemn\u00e9. Jak odhalit, kde je probl\u00e9m?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u011bkter\u00e9 poruchy, kter\u00e9 vznikly ji\u017e p\u0159i stavb\u011b domu, se mohou klidn\u011b objevit s \u010dasov\u00fdm odstupem a upozorn\u00ed n\u00e1s na n\u011b pr\u00e1v\u011b trhliny v om\u00edtk\u00e1ch. Ty toti\u017e vznikaj\u00ed nej\u010dast\u011bji ze t\u0159\u00ed p\u0159\u00ed\u010din: chyby p\u0159i zpracov\u00e1n\u00ed om\u00edtky, nevhodn\u00fd podklad, ale i stavba samotn\u00e1. Pr\u00e1v\u011b na p\u016fvod probl\u00e9mu s popraskanou om\u00edtkou je t\u0159eba se zam\u011b\u0159it, proto\u017ee je rozhoduj\u00edc\u00ed p\u0159i \u0159e\u0161en\u00ed.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Nespr\u00e1vn\u00e9 zhotoven\u00e1 om\u00edtka<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Chyby \u010dasto vznikaj\u00ed hlavn\u011b p\u0159\u00edli\u0161 rychl\u00fdm schnut\u00edm om\u00edtky nebo p\u0159i nevhodn\u00e9m nan\u00e1\u0161en\u00ed p\u0159\u00edli\u0161 siln\u00fdch vrstev, zkr\u00e1tka technologickou ned\u016fslednost\u00ed p\u0159i zhotovov\u00e1n\u00ed om\u00edtek. D\u016fsledkem jsou trhliny od nejdrobn\u011bj\u0161\u00edch vl\u00e1se\u010dnic a\u017e po hlubok\u00e9 praskliny v cel\u00e9 vrstv\u011b om\u00edtky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">praskliny v om\u00edtce<br>Hrub\u00e1 vrstva om\u00edtky a jej\u00ed nedostate\u010dn\u00e9 proschnut\u00ed m\u016f\u017ee zp\u016fsobit praskliny v om\u00edtce. | Zdroj: shutterstock.com<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/denikbydleni.cz\/wp-content\/uploads\/2021\/09\/pexels-photo-3616733-683x1024.jpg\" alt=\"\" class=\"wp-image-847\" srcset=\"https:\/\/denikbydleni.cz\/wp-content\/uploads\/2021\/09\/pexels-photo-3616733-683x1024.jpg 683w, https:\/\/denikbydleni.cz\/wp-content\/uploads\/2021\/09\/pexels-photo-3616733-200x300.jpg 200w, https:\/\/denikbydleni.cz\/wp-content\/uploads\/2021\/09\/pexels-photo-3616733-768x1152.jpg 768w, https:\/\/denikbydleni.cz\/wp-content\/uploads\/2021\/09\/pexels-photo-3616733-696x1044.jpg 696w, https:\/\/denikbydleni.cz\/wp-content\/uploads\/2021\/09\/pexels-photo-3616733.jpg 1000w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure><\/div>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>\u0160patn\u011b p\u0159ipraven\u00fd podklad<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Z\u00e1klad je, aby podklad, kter\u00fd se jde om\u00edtat, byl \u010dist\u00fd, rovnom\u011brn\u011b nas\u00e1kav\u00fd (pokud nen\u00ed, je t\u0159eba ho napenetrovat), such\u00fd a m\u011bl by m\u00edt i p\u0159im\u011b\u0159enou teplotu, tzn. ur\u010dit\u011b nesm\u00ed b\u00fdt namrzl\u00fd, ale ani p\u0159\u00edli\u0161 rozeh\u0159\u00e1t\u00fd. S nespr\u00e1vnou p\u0159\u00edpravou podkladu v\u0161ak souvis\u00ed nap\u0159\u00edklad i trhliny zp\u016fsoben\u00e9 ne\u00fapln\u00fdm vypln\u011bn\u00edm sp\u00e1r ve zdivu, nevhodnou vazbou jednotliv\u00fdch cihel. Om\u00edtky praskaj\u00ed i kdy\u017e podklad tvo\u0159\u00ed rozd\u00edln\u00fd materi\u00e1l. M\u016f\u017ee p\u0159itom j\u00edt o zcela odli\u0161n\u00fd materi\u00e1l (nap\u0159\u00edklad kus kovu nebo PVC potrub\u00ed ve zdivu), ale tak\u00e9 o odli\u0161nou cihlu nebo zm\u011bnu pojiva. Takov\u00e9 m\u00edsto bude jinak reagovat na teplo a chlad, jinak se rozp\u00ednat a nakonec tak zp\u016fsob\u00ed poprask\u00e1n\u00ed om\u00edtky a\u017e v cel\u00e9 tlou\u0161\u0165ce vrstvy. \u0158e\u0161en\u00edm pro p\u0159ekon\u00e1n\u00ed odli\u0161nost\u00ed mezi materi\u00e1ly zabudovan\u00fdmi ve zdivu je pou\u017eit\u00ed v\u00fdztu\u017en\u00e9 s\u00edt\u011b. Probl\u00e9mem s pojivem m\u016f\u017eeme p\u0159edej\u00edt, pokud si u v\u00fdrobce zdiva ov\u011b\u0159\u00edme doporu\u010denou skladbu om\u00edtek pro dan\u00e9 podkladov\u00e9 zdivo a pojivo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">penetrov\u00e1n\u00ed st\u011bn<br>St\u011bnu t\u0159eba p\u0159ed om\u00edt\u00e1n\u00edm dostate\u010dn\u011b napenetrovat, aby byl rovnom\u011brn\u011b nas\u00e1kav\u00fd. | Zdroj: Miro Pochybn\u00e9<br>O dal\u0161\u00edch dvou nej\u010dast\u011bj\u0161\u00edch p\u0159\u00ed\u010din\u00e1ch si m\u016f\u017eete p\u0159e\u010d\u00edst na domztehly.sk<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Om\u00edtka m\u00e1 zdivo nejen zkr\u00e1\u0161lovat, ale p\u0159edev\u0161\u00edm chr\u00e1nit. Aby mohla tuto funkci plnit, mus\u00ed b\u00fdt nepo\u0161kozen\u00e1, bez trhlin. Pokud se trhliny objev\u00ed, mohou m\u00edt r\u016fzn\u00fd d\u016fvod a poukazovat na mnoh\u00e9 z\u00e1va\u017en\u00e9 chyby, kter\u00e9 b\u011bhem stavby vznikly. Jejich n\u00e1sledky neb\u00fdvaj\u00ed p\u0159\u00edjemn\u00e9. Jak odhalit, kde je probl\u00e9m? N\u011bkter\u00e9 poruchy, kter\u00e9 vznikly ji\u017e p\u0159i stavb\u011b domu, se mohou [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":846,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[8],"tags":[],"class_list":["post-845","post","type-post","status-publish","format-standard","has-post-thumbnail","category-tipy"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=\/wp\/v2\/posts\/845","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=845"}],"version-history":[{"count":0,"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=\/wp\/v2\/posts\/845\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=\/wp\/v2\/media\/846"}],"wp:attachment":[{"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}