L\u00e9to je pro mnoho lid\u00ed ide\u00e1ln\u00edm \u010dasem na malov\u00e1n\u00ed interi\u00e9ru d\u00edky dlouh\u00e9mu dni a mo\u017enosti dobr\u00e9ho v\u011btr\u00e1n\u00ed. Vysok\u00e9 teploty nad 25 \u00b0C a n\u00edzk\u00e1 vlhkost vzduchu v\u0161ak p\u0159edstavuj\u00ed pro modern\u00ed interi\u00e9rov\u00e9 n\u00e1t\u011bry technologickou past. Pokud barva schne p\u0159\u00edli\u0161 rychle, pojivo nestihne vytvo\u0159it souvislou vrstvu – v\u00fdsledkem jsou viditeln\u00e9 tahy v\u00e1le\u010dkem (tzv. kocou\u0159i), nerovnom\u011brn\u00fd lesk a v extr\u00e9mn\u00edch p\u0159\u00edpadech i loup\u00e1n\u00ed barvy v cel\u00fdch pl\u00e1tech.<\/p>\n\n\n\n
Fyzika schnut\u00ed barvy v letn\u00edm \u017e\u00e1ru<\/strong><\/p>\n\n\n\n Modern\u00ed disperzn\u00ed a akryl\u00e1tov\u00e9 barvy funguj\u00ed na principu odpa\u0159ov\u00e1n\u00ed vody: jakmile voda zmiz\u00ed, \u010d\u00e1stice pigmentu a pojiva se spoj\u00ed v pevnou vrstvu. V horku se voda odpa\u0159\u00ed d\u0159\u00edve, ne\u017e barva stihne dostate\u010dn\u011b p\u0159ilnout k podkladu. V\u00fdsledkem je k\u0159ehk\u00fd n\u00e1t\u011br s n\u00edzkou odolnost\u00ed proti ot\u011bru. U syt\u00fdch odst\u00edn\u016f nav\u00edc rychl\u00e9 schnut\u00ed zp\u016fsobuje barevn\u00e9 mapy – n\u00e1t\u011br se v m\u00edstech p\u0159ekr\u00fdv\u00e1n\u00ed tah\u016f v\u00e1le\u010dku nestihne \u201emok\u0159e” spojit.<\/p>\n\n\n\n Strategie pro \u00fasp\u011b\u0161n\u00e9 letn\u00ed malov\u00e1n\u00ed<\/strong><\/p>\n\n\n\n 1. Penetrace jako z\u00e1klad.<\/em> V l\u00e9t\u011b je st\u011bna v\u00fdrazn\u011b su\u0161\u0161\u00ed ne\u017e na ja\u0159e nebo na podzim. Bez penetrace podklad okam\u017eit\u011b vysaje vlhkost z barvy a znehodnot\u00ed ji je\u0161t\u011b p\u0159ed spojen\u00edm s podkladem. Kvalitn\u00ed hloubkov\u00e1 penetrace sjednot\u00ed savost zdi a vytvo\u0159\u00ed ide\u00e1ln\u00ed podm\u00ednky pro aplikaci – v l\u00e9t\u011b je to krok, kter\u00fd rozhoduje o v\u00fdsledku cel\u00e9ho projektu.<\/p>\n\n\n\n 2. \u00daprava konzistence barvy.<\/em> P\u0159id\u00e1n\u00ed 5-10 % \u010dist\u00e9 vody (v\u017edy dle technick\u00e9ho listu v\u00fdrobce) prodlou\u017e\u00ed dobu zpracovatelnosti. Je\u0161t\u011b \u00fa\u010dinn\u011bj\u0161\u00edm \u0159e\u0161en\u00edm jsou retard\u00e9ry schnut\u00ed neboli extendery – aditiva, kter\u00e1 udr\u017e\u00ed barvu \u201eotev\u0159enou” pro zpracov\u00e1n\u00ed v\u00fdrazn\u011b d\u00e9le, ani\u017e by ovlivnila kryvost nebo odst\u00edn.<\/p>\n\n\n\n 3. Organizace pr\u00e1ce.<\/em> Malujte brzy r\u00e1no nebo pozd\u011b ve\u010der, kdy jsou teploty nejni\u017e\u0161\u00ed. Zav\u0159ete okna a dve\u0159e, abyste zamezili pr\u016fvanu – nekontrolovan\u00e9 proud\u011bn\u00ed vzduchu schnut\u00ed urychluje ne\u010dekan\u011b a neumo\u017e\u0148uje plynul\u00e9 napojov\u00e1n\u00ed tah\u016f. Ide\u00e1ln\u00ed je pracovat ve dvou: jeden mal\u00ed\u0159 o\u0159ez\u00e1v\u00e1 rohy \u0161t\u011btcem, druh\u00fd okam\u017eit\u011b navazuje velk\u00fdm v\u00e1le\u010dkem.<\/p>\n\n\n\n 4. Metoda \u201emokr\u00fd do mokr\u00e9ho”.<\/em> St\u011bnu malujte po cel\u00fdch svisl\u00fdch p\u00e1sech bez p\u0159eru\u0161en\u00ed. Jakmile p\u00e1s zaschne, plynul\u00e9 napojen\u00ed nen\u00ed mo\u017en\u00e9. Na v\u00e1le\u010dek netla\u010dte a barvu nan\u00e1\u0161ejte v dostate\u010dn\u00e9m mno\u017estv\u00ed – p\u0159\u00edli\u0161 tenk\u00e1 vrstva schne rychleji a kryje h\u016f\u0159.<\/p>\n\n\n\n Aktu\u00e1ln\u00ed trendy a inovace<\/strong><\/p>\n\n\n\n St\u00e1le obl\u00edben\u011bj\u0161\u00ed volbou jsou silik\u00e1tov\u00e9 interi\u00e9rov\u00e9 barvy, kter\u00e9 se se st\u011bnou spojuj\u00ed chemicky procesem mineralizace. Jsou vysoce paropropustn\u00e9 a p\u0159irozen\u011b odoln\u00e9 proti pl\u00edsn\u00edm \u2013 skv\u011bl\u00e1 vlastnost v kombinaci s letn\u00edmi bou\u0159kami a zv\u00fd\u0161enou vlhkost\u00ed. U v\u011bt\u0161\u00edch ploch se st\u00e1le \u010dast\u011bji vyu\u017e\u00edv\u00e1 st\u0159\u00edkac\u00ed technika Airless, kter\u00e1 nanese barvu b\u011bhem okam\u017eiku a eliminuje riziko viditeln\u00fdch tah\u016f v\u00e1le\u010dku.<\/p>\n\n\n\n Nejd\u016fle\u017eit\u011bj\u0161\u00ed pravidlo letn\u00edho malov\u00e1n\u00ed?<\/strong> Nikdy nenat\u00edrejte st\u011bnu, na kterou p\u0159\u00edmo p\u00e1l\u00ed slunce. Povrchov\u00e1 teplota zdi m\u016f\u017ee p\u0159es\u00e1hnout 40 \u00b0C – barva se pak znehodnot\u00ed d\u0159\u00edve, ne\u017e stihnete dokon\u010dit prvn\u00ed p\u00e1s.<\/p>\n\n\n\n <\/p>\n","protected":false},"excerpt":{"rendered":" L\u00e9to je pro mnoho lid\u00ed ide\u00e1ln\u00edm \u010dasem na malov\u00e1n\u00ed interi\u00e9ru d\u00edky dlouh\u00e9mu dni a mo\u017enosti dobr\u00e9ho v\u011btr\u00e1n\u00ed. Vysok\u00e9 teploty nad 25 \u00b0C a n\u00edzk\u00e1 vlhkost vzduchu v\u0161ak p\u0159edstavuj\u00ed…<\/p>\n","protected":false},"author":3,"featured_media":10578,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[40],"tags":[],"class_list":["post-10577","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/posts\/10577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/comments?post=10577"}],"version-history":[{"count":1,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/posts\/10577\/revisions"}],"predecessor-version":[{"id":10580,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/posts\/10577\/revisions\/10580"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/media\/10578"}],"wp:attachment":[{"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/media?parent=10577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/categories?post=10577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wachal.cz\/en\/wp-json\/wp\/v2\/tags?post=10577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}