{"id":13855,"date":"2021-08-19T08:18:00","date_gmt":"2021-08-19T06:18:00","guid":{"rendered":"https:\/\/www.neva.eu\/?p=13855"},"modified":"2023-03-06T14:32:25","modified_gmt":"2023-03-06T13:32:25","slug":"jak-nejucinneji-zatemnite-okna-vedou-venkovni-zaluzie-a-blackout-rolety","status":"publish","type":"post","link":"https:\/\/www.neva.eu\/rady-a-navody\/jak-nejucinneji-zatemnite-okna-vedou-venkovni-zaluzie-a-blackout-rolety\/","title":{"rendered":"Jak nej\u00fa\u010dinn\u011bji zatemn\u00edte okna? Vedou venkovn\u00ed \u017ealuzie a blackout rolety"},"content":{"rendered":"
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Nejobl\u00edben\u011bj\u0161\u00ed variantou st\u00edn\u011bn\u00ed v \u010desk\u00fdch dom\u00e1cnostech jsou vnit\u0159n\u00ed \u017ealuzie (horizont\u00e1ln\u00ed \u010di vertik\u00e1ln\u00ed), l\u00e1tkov\u00e9 rolety<\/a>, plis\u00e9 \u017ealuzie nebo z\u00e1v\u011bsy. Ty sice p\u0159i zatemn\u011bn\u00ed nebo zata\u017een\u00ed vytvo\u0159\u00ed v m\u00edstnosti m\u00edrn\u00e9 \u0161ero, av\u0161ak s absolutn\u00ed tmou to nem\u00e1 nic spole\u010dn\u00e9ho<\/strong>. Podobn\u011b jsou na tom r\u016fzn\u00e9 f\u00f3lie na sklo, kter\u00e9 chr\u00e1n\u00ed va\u0161e soukrom\u00ed, ale nedok\u00e1\u017eou efektivn\u011b zatemnit m\u00edstnost.<\/p>\n <\/section>\n\n\n

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Vnit\u0159n\u00ed blackout rolety a z\u00e1v\u011bsy siln\u011b zatem\u0148uj\u00ed, ale i oh\u0159\u00edvaj\u00ed<\/strong><\/h2>\n <\/section>\n\n\n
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Mnohem \u00fa\u010dinn\u011bj\u0161\u00ed jsou z pohledu zatemn\u011bn\u00ed oken vnit\u0159n\u00ed rolety, \u0159\u00edmsk\u00e9 rolety nebo z\u00e1v\u011bsy z takzvan\u00e9 blackout l\u00e1tky. Jde o syt\u011b tmavou l\u00e1tku s nulovou propustnost\u00ed sv\u011btla<\/strong>, kter\u00e1 po zata\u017een\u00ed vytv\u00e1\u0159\u00ed nepropustnou bari\u00e9ru.<\/p>\n <\/section>\n\n\n

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Po\u0159\u00e1d se v\u0161ak bav\u00edme o vnit\u0159n\u00edm st\u00edn\u011bn\u00ed, u kter\u00e9ho po stran\u00e1ch nebo od stropu trochu sv\u011btla prosv\u00edt\u00e1<\/strong>. To m\u016f\u017eete minimalizovat volbou z\u00e1v\u011bs\u016f s dostate\u010dn\u00fdm p\u0159esahem na obou stran\u00e1ch, abyste i s rezervou zakryli cel\u00fd okenn\u00ed otvor. Podobn\u011b rolety po\u0159\u00edd\u00edte s bo\u010dn\u00edmi li\u0161tami, kter\u00e9 pr\u016fsvit sv\u011btla ze stran minimalizuj\u00ed.<\/p>\n <\/section>\n\n\n

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Obrovskou slabinou vnit\u0159n\u00edch blackout rolet nebo z\u00e1v\u011bs\u016f jsou v\u0161ak jejich tepeln\u00e9 vlastnosti. Zejm\u00e9na v hork\u00e9m l\u00e9t\u011b, kdy v\u00e1m do oken pere slunce, se \u010dern\u00e1 l\u00e1tka st\u00e1v\u00e1 radi\u00e1torem, kter\u00fd s\u00e1l\u00e1 teplo po m\u00edstnosti<\/strong>. Proto v tomto p\u0159\u00edpad\u011b doporu\u010dujeme p\u0159ikoupit klimatizaci, abyste se v m\u00edstnosti neupekli.<\/p>\n <\/section>\n\n\n

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S blackoutov\u00fdmi z\u00e1v\u011bsy nebo roletami tak\u00e9 bohu\u017eel nem\u00e1te mo\u017enost regulace sv\u011btla<\/strong> \u2013 m\u016f\u017eete je pouze zat\u00e1hnout nebo vyt\u00e1hnout. A to nesv\u011bd\u010d\u00ed pokojov\u00fdm rostlin\u00e1m. Z na\u0161ich zku\u0161enost\u00ed je podobn\u00e9 st\u00edn\u011bn\u00ed vhodn\u00e9 nap\u0159\u00edklad do lo\u017enice, kde jen p\u0159esp\u00e1v\u00e1te, ale naopak nevhodn\u00e9 do spole\u010densk\u00fdch m\u00edstnost\u00ed<\/strong> jako kuchyn\u011b nebo ob\u00fdvac\u00ed pokoj, kde tr\u00e1v\u00edte \u010das s rodinou a ob\u010das si zkr\u00e1tka pot\u0159ebujete jen m\u00edrn\u011b p\u0159ist\u00ednit.<\/p>\n <\/section>\n\n\n

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V posledn\u00edch letech roste tak\u00e9 obliba rolet den a noc<\/strong>. Ty jsou slo\u017een\u00e9 ze dvou vrstev l\u00e1tky, p\u0159i\u010dem\u017e ka\u017ed\u00e1 vrstva m\u00e1 na sob\u011b st\u0159\u00eddav\u011b pr\u016fsvitn\u00e9 a nepr\u016fsvitn\u00e9 pruhy. Postupn\u00fdm p\u0159ekr\u00fdv\u00e1n\u00edm t\u011bchto pruh\u016f m\u016f\u017eete regulovat sv\u011btlo a m\u00edstnost zatemn\u00edte siln\u011bji ne\u017e nap\u0159\u00edklad s klasick\u00fdmi vnit\u0159n\u00edmi \u017ealuziemi. Na druhou stranu rolety den a noc nezatem\u0148uj\u00ed tak dob\u0159e jako celistv\u00e9 blackout rolety<\/strong>, proto\u017ee vrstvy k sob\u011b tolik nep\u0159il\u00e9haj\u00ed a \u010d\u00e1st sv\u011btla pronik\u00e1 mezi nimi.<\/p>\n <\/section>\n\n\n

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P\u0159i v\u00fdb\u011bru st\u00edn\u011bn\u00ed myslete na rostliny, kter\u00fdm tma nesv\u011bd\u010d\u00ed.<\/figcaption><\/figure>\n <\/section>\n\n\n
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Venkovn\u00ed \u017ealuzie: dob\u0159e zatem\u0148uj\u00ed a funguj\u00ed jako izolant<\/strong><\/h2>\n <\/section>\n\n\n
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Tak\u00e9 venkovn\u00ed \u017ealuzie<\/a> maj\u00ed velmi dobr\u00e9 zatem\u0148ovac\u00ed schopnosti. Zejm\u00e9na ty s lamelami Z nebo S, kter\u00e9 se p\u0159i zatemn\u011bn\u00ed zcela dov\u0159ou, tzv. \u201edomknou\u201c, a vytvo\u0159\u00ed celistvou plochu. A\u010dkoliv jsou v lamel\u00e1ch pro\u0159ezy na textiln\u00ed p\u00e1sku a \u017ealuzie zcela nedol\u00e9haj\u00ed k vodic\u00edmu profilu, nejsp\u00ed\u0161 v\u00e1s jejich zatem\u0148ovac\u00ed schopnost p\u0159\u00edjemn\u011b p\u0159ekvap\u00ed. V m\u00edstnosti je po zatemn\u011bn\u00ed t\u00e9m\u011b\u0159 \u00fapln\u00e1 tma<\/strong>.<\/p>\n <\/section>\n\n\n

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Na trhu nav\u00edc existuj\u00ed speci\u00e1ln\u00ed blackout venkovn\u00ed \u017ealuzie<\/strong>, kter\u00e9 maj\u00ed otvory v lamel\u00e1ch \u0159e\u0161en\u00e9 tak, aby jimi sv\u011btlo neprosv\u00edtalo v\u016fbec. Blackout \u017ealuzie jsou v\u0161ak na \u010desk\u00e9m i sv\u011btov\u00e9m trhu sp\u00ed\u0161e okrajovou z\u00e1le\u017eitost\u00ed.<\/p>\n <\/section>\n\n\n

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Venkovn\u00ed \u017ealuzie oproti rolet\u00e1m nebo z\u00e1v\u011bs\u016fm umo\u017e\u0148uj\u00ed mnohem plynulej\u0161\u00ed regulaci sv\u011btla<\/strong>, kdy si naklopen\u00edm lamel vytvo\u0159\u00edte v m\u00edstnosti cokoliv od \u00fapln\u00e9ho sv\u011btla po t\u00e9m\u011b\u0159 naprostou tmu. Funguj\u00ed tak\u00e9 jako tepeln\u00fd izolant, kter\u00fd v\u011bt\u0161inu tepla odr\u00e1\u017e\u00ed je\u0161t\u011b p\u0159ed oknem a v\u016fbec nepropou\u0161t\u00ed dovnit\u0159 domu. Nav\u00edc jsme si otestovali, \u017ee maj\u00ed i velmi dobr\u00e9 zvukov\u011b\u2009\u2013\u2009izola\u010dn\u00ed vlastnosti.<\/p>\n <\/section>\n\n\n

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Jak venkovn\u00ed \u017ealuzie sni\u017euj\u00ed teplotu v m\u00edstnosti \u00bb<\/a><\/p>\n <\/section>\n\n\n

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Ze zm\u00edn\u011bn\u00fdch d\u016fvod\u016f jsou venkovn\u00ed \u017ealuzie rozumn\u00fdm kompromisem mezi s\u00edlou zatemn\u011bn\u00ed a mo\u017enost\u00ed regulace<\/strong> sv\u011btla. Nev\u00fdhodou venkovn\u00edch \u017ealuzi\u00ed je naopak vy\u0161\u0161\u00ed cena a nutnost vyt\u00e1hnout je p\u0159i prudk\u00e9m v\u011btru nebo siln\u00e9m de\u0161ti.<\/p>\n <\/section>\n\n\n

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Venkovn\u00ed \u017ealuzie jako kompromis mezi s\u00edlou zatemn\u011bn\u00ed a regulac\u00ed sv\u011btla.<\/figcaption><\/figure>\n <\/section>\n\n\n
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Venkovn\u00ed rolety: obrovsk\u00e1 variabilita zatemn\u011bn\u00ed d\u00edky l\u00e1tk\u00e1m<\/strong><\/h2>\n <\/section>\n\n\n
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Venkovn\u00ed rolety se d\u011bl\u00ed na klasick\u00e9 venkovn\u00ed rolety z hlin\u00edku a venkovn\u00ed l\u00e1tkov\u00e9 rolety (tzv. screeny).<\/p>\n <\/section>\n\n\n

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Rolety z hlin\u00edku<\/strong> maj\u00ed velmi podobn\u00e9 vlastnosti jako v\u00fd\u0161e popsan\u00e9 venkovn\u00ed \u017ealuzie, jen s t\u00edm rozd\u00edlem, \u017ee neumo\u017e\u0148uj\u00ed tak plynulou regulaci sv\u011bta. M\u016f\u017eete je pouze vyt\u00e1hnout nebo st\u00e1hnout. Jeliko\u017e jsou ale vyroben\u00e9 z jednoho celistv\u00e9ho d\u00edlu, pocitov\u011b je\u0161t\u011b l\u00e9pe zatem\u0148uj\u00ed<\/strong>. Rozd\u00edl v porovn\u00e1n\u00ed s venkovn\u00edmi \u017ealuziemi (a zejm\u00e9na s lamelami Z nebo S) je nicm\u00e9n\u011b minim\u00e1ln\u00ed.<\/p>\n <\/section>\n\n\n

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Zatem\u0148ovac\u00ed schopnost screenov\u00fdch rolet je d\u00e1na l\u00e1tkou, ze kter\u00e9 jsou vyroben\u00e9. Existuj\u00ed l\u00e1tky pr\u016fsvitn\u00e9, m\u00edrn\u011b zatem\u0148uj\u00edc\u00ed nebo zcela zatem\u0148uj\u00edc\u00ed. Nejsiln\u011bji zatem\u0148uj\u00edc\u00ed l\u00e1tky s 0% propustnost\u00ed<\/strong> sv\u011btla se naz\u00fdvaj\u00ed blackout l\u00e1tky, podobn\u011b jako u vnit\u0159n\u00edho st\u00edn\u011bn\u00ed.<\/p>\n <\/section>\n\n\n

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V\u00edce informac\u00ed o l\u00e1tk\u00e1ch screenov\u00fdch rolet \u00bb<\/a><\/p>\n <\/section>\n\n\n

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Screenov\u00e1 roleta z blackout l\u00e1tky je z pohledu zatemn\u011bn\u00ed m\u00edstnosti nej\u00fa\u010dinn\u011bj\u0161\u00edm \u0159e\u0161en\u00edm<\/strong>. Trochu sv\u011btla prosv\u00edt\u00e1 jen po stran\u00e1ch ve stavebn\u00edm otvoru, jinak m\u00e1te v m\u00edstnosti absolutn\u00ed tmu. Op\u011bt ale upozor\u0148ujeme na omezenou mo\u017enost regulace sv\u011btla, proto toto \u0159e\u0161en\u00ed p\u0159\u00edli\u0161 nedoporu\u010dujeme pro spole\u010densk\u00e9 m\u00edstnosti typu ob\u00fdvac\u00ed pokoj. Do ob\u00fdv\u00e1ku se mnohem v\u00edce hod\u00ed roleta m\u00edrn\u011b zatem\u0148uj\u00edc\u00ed, p\u0159\u00edpadn\u011b venkovn\u00ed \u017ealuzie.<\/p>\n <\/section>\n","protected":false},"excerpt":{"rendered":"

N\u011bkter\u00e9 \u017ealuzie, z\u00e1v\u011bsy nebo rolety maj\u00ed tak silnou zatem\u0148ovac\u00ed schopnost, \u017ee v\u00e1m i p\u0159es den ud\u011blaj\u00ed v m\u00edstnosti t\u00e9m\u011b\u0159 absolutn\u00ed tmu. To ocen\u00edte, pokud p\u0159es den dosp\u00e1v\u00e1te no\u010dn\u00ed sm\u011bny, nebo t\u0159eba nam\u00edsto televize pou\u017e\u00edv\u00e1te projektor. Krom\u011b schopnosti zatemn\u011bn\u00ed v\u0161ak zohledn\u011bte tak\u00e9 dal\u0161\u00ed vlastnosti st\u00edn\u011bn\u00ed, mimo jin\u00fdch nap\u0159\u00edklad mo\u017enost regulace sv\u011btla kv\u016fli kv\u011btin\u00e1m.<\/p>\n","protected":false},"author":11,"featured_media":13856,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-13855","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rady-a-navody"],"acf":[],"aioseo_notices":[],"author_meta":{"display_name":"Ad\u00e9la Hlavinkov\u00e1","author_link":"https:\/\/www.neva.eu\/author\/hlavinkova\/"},"featured_img":"https:\/\/www.neva.eu\/wp-content\/uploads\/neva-jak-nejucinneji-zatemnite-okna.jpg","coauthors":[],"tax_additional":{"categories":{"linked":["Rady a n\u00e1vody<\/a>"],"unlinked":["Rady a n\u00e1vody<\/span>"]}},"comment_count":"0","relative_dates":{"created":"Posted 3 roky ago","modified":"Updated 2 roky ago"},"absolute_dates":{"created":"Posted on 19. 8. 2021","modified":"Updated on 6. 3. 2023"},"absolute_dates_time":{"created":"Posted on 19. 8. 2021 8:18","modified":"Updated on 6. 3. 2023 14:32"},"featured_img_caption":"","series_order":"","_links":{"self":[{"href":"https:\/\/www.neva.eu\/wp-json\/wp\/v2\/posts\/13855","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.neva.eu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.neva.eu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.neva.eu\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.neva.eu\/wp-json\/wp\/v2\/comments?post=13855"}],"version-history":[{"count":2,"href":"https:\/\/www.neva.eu\/wp-json\/wp\/v2\/posts\/13855\/revisions"}],"predecessor-version":[{"id":21320,"href":"https:\/\/www.neva.eu\/wp-json\/wp\/v2\/posts\/13855\/revisions\/21320"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.neva.eu\/wp-json\/wp\/v2\/media\/13856"}],"wp:attachment":[{"href":"https:\/\/www.neva.eu\/wp-json\/wp\/v2\/media?parent=13855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.neva.eu\/wp-json\/wp\/v2\/categories?post=13855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.neva.eu\/wp-json\/wp\/v2\/tags?post=13855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}