{"id":801,"date":"2021-09-12T11:48:57","date_gmt":"2021-09-12T09:48:57","guid":{"rendered":"https:\/\/denikbydleni.cz\/?p=801"},"modified":"2022-05-07T15:45:49","modified_gmt":"2022-05-07T13:45:49","slug":"heluz-nabizi-zmereni-vzduchotesnosti","status":"publish","type":"post","link":"https:\/\/denikbydleni.cz\/?p=801","title":{"rendered":"HELUZ nab\u00edz\u00ed zm\u011b\u0159en\u00ed vzduchot\u011bsnosti"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">P\u0159edpokladem proveden\u00ed staveb s n\u00edzkou energetickou n\u00e1ro\u010dnost\u00ed \u010di p\u0159\u00edmo pasivn\u00edch dom\u016f je po\u017eadavek na kvalitn\u00ed vzduchot\u011bsnost ob\u00e1lky budovy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tu je mo\u017en\u00e9 zm\u011b\u0159it pomoc\u00ed Blower door testu, co\u017e je metoda m\u011b\u0159en\u00ed t\u011bsnosti staveb pomoc\u00ed tlakov\u00e9ho sp\u00e1du. Stavba, kter\u00e1 t\u00edmto testem \u00fasp\u011b\u0161n\u011b projde a dos\u00e1hne hodnoty v\u00fdm\u011bny max. 0,6 h-1, spln\u00ed jednu z podm\u00ednek pro ozna\u010den\u00ed za pasivn\u00ed a jej\u00ed investor m\u016f\u017ee po\u017e\u00e1dat o dotace. Spole\u010dnost HELUZ nov\u011b nab\u00edz\u00ed proveden\u00ed tohoto m\u011b\u0159en\u00ed individu\u00e1ln\u00edm stavebn\u00edk\u016fm stavitelem z ciheln\u00e9ho syst\u00e9mu HELUZ kdekoliv v republice.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8222;Aby spole\u010dnost HELUZ mohla z\u00e1kazn\u00edk\u016fm nab\u00eddnout co nej\u00fapln\u011bj\u0161\u00ed slu\u017eby, obstarala m\u011b\u0159\u00edc\u00ed komplet pro Blower door test, kter\u00fdm lze vzduchot\u011bsnost ob\u00e1lky budovy a tedy energetickou n\u00e1ro\u010dnost domu m\u011b\u0159it. M\u016f\u017eeme s touto technikou p\u0159ijmout na m\u00edsto stavby a prov\u00e9st m\u011b\u0159en\u00ed pr\u016fvzdu\u0161nosti ob\u00e1lky budovy (dokon\u010den\u00e9 hrub\u00e9 stavby nebo provozn\u00edho stavu budovy), naj\u00edt p\u0159\u00edpadn\u00e9 net\u011bsnosti a vystavit protokol o proveden\u00e9m kontroln\u00edm m\u011b\u0159en\u00ed, &#8222;p\u0159edstavuje novou slu\u017ebu Ing. Filip Bos\u00e1k, mana\u017eer technick\u00e9ho poradenstv\u00ed spole\u010dnosti HELUZ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Blower door test m\u011b\u0159\u00ed mno\u017estv\u00ed unikaj\u00edc\u00edho vzduchu<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Na v\u00fdsledc\u00edch Blower door testu z\u00e1vis\u00ed mo\u017enost z\u00edskat ozna\u010den\u00ed pasivn\u00ed stavba a tedy i dotaci. Jde o metodu m\u011b\u0159en\u00ed t\u011bsnosti staveb pomoc\u00ed tlakov\u00e9ho sp\u00e1du. Za\u0159\u00edzen\u00ed se skl\u00e1d\u00e1 z ventil\u00e1toru, kter\u00fd je nej\u010dast\u011bji osazen v r\u00e1mu dve\u0159\u00ed v obvodov\u00e9 st\u011bn\u011b. Jeho spu\u0161t\u011bn\u00edm se vytv\u00e1\u0159\u00ed podtlak i p\u0159etlak p\u0159i rozd\u00edlu 50 Pa. Takto je mo\u017en\u00e9 zjistit, kolik vzduchu unik\u00e1 z interi\u00e9ru do exteri\u00e9ru a naopak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8222;Zhotoven\u00ed stavby ve vzduchot\u011bsn\u00e9m re\u017eimu tak, aby splnila Blower door test, n\u00e1m pom\u00e1h\u00e1 dos\u00e1hnout po\u017eadovan\u00e9 \u00fasporu n\u00e1klad\u016f na vyt\u00e1p\u011bn\u00ed. Nejde ale pochopiteln\u011b o nutnost dos\u00e1hnout \u00faplnou vzduchot\u011bsnost, norma ur\u010ditou v\u00fdm\u011bnu vzduchu povoluje. V technick\u00e9 \u0159e\u010di \u0159e\u010deno, p\u0159i p\u0159etlaku \/ podtlaku 50 Pa je povolena v\u00fdm\u011bna maxim\u00e1ln\u011b 60% objemu vzduchu v interi\u00e9ru za jednu hodinu. Z toho je odvozena hodnota n50 &lt;0,6 h-1, &#8222;pokra\u010duje Ing. Filip Bos\u00e1k, mana\u017eer technick\u00e9ho poradenstv\u00ed prodeje spole\u010dnosti HELUZ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i cihlov\u00e9m dom\u011b pln\u00ed funkci vzduchot\u011bsn\u00e9 vrstvy \u0159\u00e1dn\u011b om\u00edtnut\u00e9 zdivo<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V p\u0159\u00edpad\u011b zd\u011bn\u00e9ho domu z ciheln\u00fdch blok\u016f m\u016f\u017eeme za vzduchot\u011bsnou vrstvu na spln\u011bn\u00ed hodnot Blower door testu bezpe\u010dn\u011b pova\u017eovat \u0159\u00e1dn\u011b om\u00edtnut\u00e9 zdivo. Ji\u017e v projek\u010dn\u00ed \u010d\u00e1sti je t\u0159eba m\u00edt vy\u0159e\u0161eno, kudy tato vrstva povede. Znamen\u00e1 to rovn\u011b\u017e dodr\u017eet d\u016fsledn\u00e9 \u0159emesln\u00e9 zpracov\u00e1n\u00ed t\u00e9to vrstvy, co\u017e p\u0159in\u00e1\u0161\u00ed po\u017eadavek na jistou \u010dasovou, ale i precizn\u00ed \u0159emeslnou n\u00e1ro\u010dnost p\u0159i \u0159e\u0161en\u00ed detail\u016f styku navazuj\u00edc\u00edch konstrukc\u00ed. Mno\u017estv\u00ed t\u011bchto detail\u016f je v syst\u00e9mu HELUZ vy\u0159e\u0161en\u00fdch a je samoz\u0159ejm\u011b stavebn\u00edk\u016fm k dispozici. D\u016fle\u017eit\u00e9 je tak\u00e9 pou\u017e\u00edt vhodn\u00e9 t\u011bsn\u00edc\u00ed p\u00e1sky a tmely tam, kde vzduchot\u011bsnou funkci vnit\u0159n\u00ed om\u00edtka plnit nebude.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Metoda &#8222;B&#8220; je\u0161t\u011b umo\u017en\u00ed opravit zanedban\u00e9 net\u011bsnosti<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V pr\u016fb\u011bhu stavby proto norma stanovuje metodu &#8222;B&#8220;, kter\u00e1 se prov\u00e1d\u00ed v dob\u011b, kdy je sice u\u017e ob\u00e1lka budovy dokon\u010dena, ale je st\u00e1le mo\u017en\u00fd p\u0159\u00edstup k t\u00e9to vzduchot\u011bsn\u00e9 vrstv\u011b. Tu je mo\u017en\u00e9, v p\u0159\u00edpad\u011b detekce net\u011bsnost\u00ed, je\u0161t\u011b opravit. Abychom kontroln\u00ed m\u011b\u0159en\u00ed mohli v\u016fbec prov\u00e9st, je nutn\u00e9 stavbu na testov\u00e1n\u00ed p\u0159ipravit. S pou\u017eit\u00edm do\u010dasn\u00fdch t\u011bsn\u00edc\u00edch p\u00e1sk\u016f a tmel\u016f uzav\u0159eme kanalizaci, kou\u0159ovody, vzduchotechniku, otvory TZB, zav\u0159eme i okna. M\u011b\u0159en\u00ed samotn\u00e9 pak prob\u00edh\u00e1 prakticky toto\u017en\u011b jako m\u011b\u0159en\u00ed kone\u010dn\u00e9 s t\u00edm rozd\u00edlem, \u017ee b\u011bhem n\u011bj se soust\u0159ed\u00edme na t\u011bsnosti zejm\u00e9na v m\u00edstech n\u00e1vaznosti konstrukc\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Blower Door Test<br>Zdroj: Heluz<br>Kde m\u016f\u017ee mikronanometer odhalit ne\u017e\u00e1douc\u00ed proud\u011bn\u00ed vzduchu<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uk\u00e1zky z m\u011b\u0159en\u00ed metodou &#8222;B&#8220; v dob\u011b, kdy d\u016fm je\u0161t\u011b nem\u011bl vn\u011bj\u0161\u00ed om\u00edtky a byla vyhotovena pouze hrub\u00e1 podlaha. Ostatn\u00ed instalace a pr\u016fchody byly vyhotoveny a ut\u011bsn\u011bny. Pomoc\u00ed mikronanometra detekuj\u00ed postupn\u011b v\u0161echna m\u00edsta ne\u017e\u00e1douc\u00edho proud\u011bn\u00ed vzduchu, jak je vid\u011bt na obr\u00e1zc\u00edch n\u00ed\u017ee:<\/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-4082524-683x1024.jpg\" alt=\"\" class=\"wp-image-803\" srcset=\"https:\/\/denikbydleni.cz\/wp-content\/uploads\/2021\/09\/pexels-photo-4082524-683x1024.jpg 683w, https:\/\/denikbydleni.cz\/wp-content\/uploads\/2021\/09\/pexels-photo-4082524-200x300.jpg 200w, https:\/\/denikbydleni.cz\/wp-content\/uploads\/2021\/09\/pexels-photo-4082524-768x1152.jpg 768w, https:\/\/denikbydleni.cz\/wp-content\/uploads\/2021\/09\/pexels-photo-4082524-696x1044.jpg 696w, https:\/\/denikbydleni.cz\/wp-content\/uploads\/2021\/09\/pexels-photo-4082524.jpg 1000w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Ned\u016fsledn\u011b zhotoven\u00fd styk vnit\u0159n\u00ed om\u00edtky v rohu okna. P\u0159i m\u011b\u0159en\u00ed je vid\u011bt pom\u011brn\u011b v\u00fdrazn\u00e9 proud\u011bn\u00ed vzduchu.<br>Ned\u016fsledn\u011b zhotoven\u00fd styk vnit\u0159n\u00ed om\u00edtky v rohu okna. P\u0159i m\u011b\u0159en\u00ed je vid\u011bt pom\u011brn\u011b v\u00fdrazn\u00e9 proud\u011bn\u00ed vzduchu. | Zdroj: Heluz<br>Problematick\u00e9 m\u00edsto napojen\u00ed p\u0159\u00ed\u010dky na obvodovou st\u011bnu v m\u00edst\u011b instalace pr\u016fchod\u016f p\u0159i hrub\u00e9 podlaze. Op\u011bt lok\u00e1ln\u00ed z\u00e1le\u017eitost s ne\u017e\u00e1douc\u00edm proud\u011bn\u00edm vzduchu.<br>Problematick\u00e9 m\u00edsto napojen\u00ed p\u0159\u00ed\u010dky na obvodovou st\u011bnu v m\u00edst\u011b instalace pr\u016fchod\u016f p\u0159i hrub\u00e9 podlaze. Op\u011bt lok\u00e1ln\u00ed z\u00e1le\u017eitost s ne\u017e\u00e1douc\u00edm proud\u011bn\u00edm vzduchu. | Zdroj: Heluz<br>Net\u011bsnost se \u010dasto objevuje i u oken. Na obr\u00e1zku vid\u00edme v\u00fdrazn\u00e9 proud\u011bn\u00ed vzduchu v \u0161patn\u011b ut\u011bsn\u011bn\u00e9m m\u00edst\u011b styku okenn\u00edho r\u00e1mu a parapetu.<br>Net\u011bsnost se \u010dasto objevuje i u oken. Na obr\u00e1zku vid\u00edme v\u00fdrazn\u00e9 proud\u011bn\u00ed vzduchu v \u0161patn\u011b ut\u011bsn\u011bn\u00e9m m\u00edst\u011b styku okenn\u00edho r\u00e1mu a parapetu. | Zdroj: Heluz<br>\u010cast\u00fd probl\u00e9m je net\u011bsnost osazen\u00ed krabice z\u00e1suvek. P\u0159i v\u00fdb\u011bru z\u00e1suvky je t\u0159eba volit tu, kter\u00e1 je ur\u010dena pro pasivn\u00ed domy.<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i p\u0159\u00edprav\u011b a realizaci stavby budete pot\u0159ebovat i vhodn\u00e9 <a href=\"https:\/\/www.stavbahobby.cz\/kategorie\/rucni-naradi-282\/\">ru\u010dn\u00ed n\u00e1\u0159ad\u00ed<\/a>, aby byla odveden\u00e1 pr\u00e1ce v po\u0159\u00e1dku a vyhovuj\u00edc\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n","protected":false},"excerpt":{"rendered":"<p>P\u0159edpokladem proveden\u00ed staveb s n\u00edzkou energetickou n\u00e1ro\u010dnost\u00ed \u010di p\u0159\u00edmo pasivn\u00edch dom\u016f je po\u017eadavek na kvalitn\u00ed vzduchot\u011bsnost ob\u00e1lky budovy. Tu je mo\u017en\u00e9 zm\u011b\u0159it pomoc\u00ed Blower door testu, co\u017e je metoda m\u011b\u0159en\u00ed t\u011bsnosti staveb pomoc\u00ed tlakov\u00e9ho sp\u00e1du. Stavba, kter\u00e1 t\u00edmto testem \u00fasp\u011b\u0161n\u011b projde a dos\u00e1hne hodnoty v\u00fdm\u011bny max. 0,6 h-1, spln\u00ed jednu z podm\u00ednek pro ozna\u010den\u00ed za [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":802,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-801","post","type-post","status-publish","format-standard","has-post-thumbnail","category-bydleni"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=\/wp\/v2\/posts\/801","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=801"}],"version-history":[{"count":0,"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=\/wp\/v2\/posts\/801\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=\/wp\/v2\/media\/802"}],"wp:attachment":[{"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/denikbydleni.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}