[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.fa-zona.cz\/hromosvod-je-nenapadny-ale-dulezity-pomocnik\/#Article","mainEntityOfPage":"https:\/\/www.fa-zona.cz\/hromosvod-je-nenapadny-ale-dulezity-pomocnik\/","headline":"Hromosvod je nen\u00e1padn\u00fd, ale d\u016fle\u017eit\u00fd pomocn\u00edk","name":"Hromosvod je nen\u00e1padn\u00fd, ale d\u016fle\u017eit\u00fd pomocn\u00edk","description":"Je a\u017e s podivem, \u017ee a\u010dkoli byl hromosvod vynalezen v<span class=\"more-dots\"><a href=\"https:\/\/www.fa-zona.cz\/hromosvod-je-nenapadny-ale-dulezity-pomocnik\/\">[ ... ]<\/span><\/a>","datePublished":"2026-05-13","dateModified":"2026-05-13","author":{"@type":"Person","@id":"https:\/\/www.fa-zona.cz\/author\/#Person","name":"","url":"https:\/\/www.fa-zona.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/91506ed60e31abe586276a3e1420719df081581a820344a28fa2034bb1a2fe22?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/91506ed60e31abe586276a3e1420719df081581a820344a28fa2034bb1a2fe22?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"fa-zona.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.fa-zona.cz\/wp-content\/uploads\/lightning-399853_640_9.jpg","url":"https:\/\/www.fa-zona.cz\/wp-content\/uploads\/lightning-399853_640_9.jpg","height":0,"width":0},"url":"https:\/\/www.fa-zona.cz\/hromosvod-je-nenapadny-ale-dulezity-pomocnik\/","about":["Produkty"],"wordCount":398,"articleBody":"      Je a\u017e s podivem, \u017ee a\u010dkoli byl hromosvod vynalezen v osmn\u00e1ct\u00e9m stolet\u00ed, i v sou\u010dasn\u00e9 dob\u011b si st\u00e1le dob\u0159e pln\u00ed svou funkci. Do t\u00e9 doby, dokud lidstvo hromosvod neznalo, byl po\u017e\u00e1r od \u00faderu blesku obrovskou hrozbou, kup\u0159\u00edkladu v \u010cesk\u00fdch Bud\u011bjovic\u00edch do\u0161lo k rozs\u00e1hl\u00e9mu po\u017e\u00e1ru od blesku v roce 1480 a ve Zlat\u00fdch Hor\u00e1ch v Jesen\u00edk\u00e1ch ho\u0159elo kv\u016fli blesku v roce 1699, co\u017e si vy\u017e\u00e1dalo zni\u010den\u00ed mnoha m\u011bstsk\u00fdch dom\u016f. \u0158ada st\u0159edov\u011bk\u00fdch staveb se tehdy zhotovovala ze d\u0159eva a po\u017e\u00e1r tu pak mohl m\u00edt katastrof\u00e1ln\u00ed n\u00e1sledky. \u010cesk\u00fd vyn\u00e1lezce Prokop Divi\u0161 tedy p\u0159inesl sv\u011btu jeden z nejd\u016fle\u017eit\u011bj\u0161\u00edch objev\u016f na t\u00e9to planet\u011b, bylo to v roce 1754 a od t\u00e9 doby se lid\u00e9 za\u010dali v\u016f\u010di bleskov\u00fdm v\u00fdboj\u016fm l\u00e9pe chr\u00e1nit a sni\u017eovat pravd\u011bpodobnost takto vznikl\u00fdch po\u017e\u00e1r\u016f na minimum.Princip hromosvodu v\u0161ak s\u00e1m o sob\u011b nesta\u010d\u00ed, je t\u0159eba m\u00edt hromosvod nainstalovan\u00fd podle p\u0159edpis\u016f a z\u00e1rove\u0148 je nutn\u00e9 za\u0159\u00edzen\u00ed pravideln\u011b kontrolovat revizn\u00ed \u010dinnost\u00ed. Revize hromosvod\u016f technologie-budov.cz se v \u010cesk\u00e9 republice prov\u00e1d\u00ed na n\u011bkter\u00fdch m\u00edstech nepovinn\u011b a n\u011bkde povinn\u011b ze z\u00e1kona. A jestli\u017ee dojde k \u00faderu blesku do hromosvodu, pak se mus\u00ed za\u0159\u00edzen\u00ed revidovat kr\u00e1tce po t\u00e9to ud\u00e1losti, i kdy\u017e byla revize provedena nap\u0159\u00edklad p\u0159ed deseti dny, nebo\u0165 blesk m\u016f\u017ee hromosvod zna\u010dn\u011b po\u0161kodit a ten pak nepln\u00ed spr\u00e1vn\u011b svou funkci.Hromosvody mohou b\u00fdt po\u0161kozen\u00e9 nap\u0159\u00edklad stavebn\u00ed \u010dinnost\u00ed p\u0159i zateplov\u00e1n\u00ed fas\u00e1dy a p\u0159i v\u00fdm\u011bn\u011b st\u0159e\u0161n\u00ed krytiny \u010di v\u00fdm\u011bn\u011b oken. M\u016f\u017ee je po\u0161kodit prudk\u00fd v\u00edtr, siln\u00e1 n\u00e1mraza a samoz\u0159ejm\u011b tak\u00e9 koroze. N\u011bkter\u00e9 z\u00e1vady nemus\u00ed b\u00fdt dob\u0159e patrn\u00e9, na prvn\u00ed pohled se jich t\u0159eba v\u016fbec nev\u0161imnete, nap\u0159\u00edklad pokud n\u011bkde koroze zeslab\u00ed vodic\u00ed dr\u00e1t ve velk\u00e9 v\u00fd\u0161ce nad zem\u00ed. Elektrik\u00e1\u0159i pou\u017e\u00edvaj\u00ed k m\u011b\u0159en\u00ed p\u0159echodov\u00e9ho odporu hromosvodu m\u011b\u0159ic\u00ed p\u0159\u00edstroje a ty jasn\u011b deklaruj\u00ed, zda je za\u0159\u00edzen\u00ed provozuschopn\u00e9, anebo je t\u0159eba jej vym\u011bnit \u010di vhodn\u00fdm zp\u016fsobem opravit.                                                                                                                                                                                                                                                                                                                                                                                                  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