{"id":4484,"date":"2019-10-12T10:40:37","date_gmt":"2019-10-12T08:40:37","guid":{"rendered":"http:\/\/www.stavebnakomora.sk\/?page_id=4484"},"modified":"2020-07-30T17:24:37","modified_gmt":"2020-07-30T15:24:37","slug":"4-detaily-napojenia-parozabrany-voci-stene-stitu-podkrovia-u-nadkrokvoveho-zateplenia-podla-typu-konstrukcie","status":"publish","type":"page","link":"https:\/\/www.stavebnakomora.sk\/?page_id=4484","title":{"rendered":"Po\u017eadavky sou\u010dasn\u00fdch p\u0159edpis\u016f na technick\u00e9 vlastnosti podst\u0159e\u0161n\u00edch f\u00f3li\u00ed (PHI)"},"content":{"rendered":"<p>Autor :\u00a0 Jan Rypl, mana\u017eer aplikac\u00ed JUTA a.s., tel.: +420\u00a0602\u00a0194045, <a href=\"mailto:rypl@juta.cz\">rypl@juta.cz<\/a>, <a href=\"http:\/\/www.juta.cz\">www.juta.cz<\/a><\/p>\n<p>V sou\u010dasn\u00e9 dob\u011b vznikaj\u00ed mnoh\u00e9 p\u0159edpisy o tom, v jak\u00fdch t\u0159\u00edd\u00e1ch t\u011bsnosti (tj. v jak\u00e9m zp\u016fsobu proveden\u00ed) maj\u00ed b\u00fdt prov\u00e1d\u011bny podst\u0159e\u0161n\u00ed f\u00f3lie\/membr\u00e1ny pod skl\u00e1dan\u00fdmi st\u0159e\u0161n\u00edmi krytinami v \u0161ikm\u00fdch st\u0159ech\u00e1ch. Tj. jak podle konkr\u00e9tn\u00edch podm\u00ednek st\u0159echy maj\u00ed b\u00fdt provedeny PHI = pojistn\u00e9 hydroizolace (v \u010cR naz\u00fdvan\u00e9 jako DHV = dopl\u0148kov\u00e9 hydroizola\u010dn\u00ed vrstvy). Mnoh\u00e9 se diskutuje i o tzv. \u201edob\u011b UV st\u00e1losti\u201c, ale \u010dasto se zapom\u00edn\u00e1 na z\u00e1kladn\u00ed podm\u00ednky pou\u017eitelnosti takov\u00fdch materi\u00e1l\u016f pro tento \u00fa\u010del pou\u017eit\u00ed.<\/p>\n<p><strong>Velice \u010dasto se toti\u017e tyto v\u00fdrobky chybn\u011b posuzuj\u00ed \u010di srovn\u00e1vaj\u00ed jen podle plo\u0161n\u00e9 hmotnosti materi\u00e1l\u016f, p\u0159esto\u017ee toto rozhodn\u011b nen\u00ed krit\u00e9rium pro to, zda, kde a jak materi\u00e1l m\u016f\u017ee b\u00fdt pro funkci PHI pou\u017eit. V\u00fdrobky toti\u017e mohou m\u00edt pom\u011brn\u011b vysokou plo\u0161nou hmotnost a p\u0159esto d\u00edky nekvalitn\u00edm surovin\u00e1m pro jejich v\u00fdrobu mohou dosahovat natolik n\u00edzk\u00fdch technick\u00fdch vlastnost\u00ed, kter\u00e9 je z\u00a0dan\u00e9 mo\u017enosti pou\u017eit\u00ed fakticky vylu\u010duj\u00ed. <\/strong>Tj. mezi podobn\u00fdmi materi\u00e1ly r\u016fzn\u00fdch v\u00fdrobc\u016f s\u00a0podobnou plo\u0161nou hmotnost\u00ed mohou b\u00fdt obrovsk\u00e9 rozd\u00edly v\u00a0jejich technick\u00fdch vlastnostech.<\/p>\n<p><strong>Rovn\u011b\u017e \u201eProhl\u00e1\u0161en\u00ed o vlastnostech\u201c \u010di \u201eCE technick\u00fd list\u201c v\u00fdrobku nen\u00ed certifik\u00e1tem, je\u017e automaticky<\/strong> <strong>dan\u00fd v\u00fdrobek vyhodnocuje jako pou\u017eiteln\u00fd pro funkci PHI.<\/strong> Takov\u00fd dokument jen uv\u00e1d\u00ed a potvrzuje jak\u00e9 m\u00e1 v\u00fdrobek vlastnosti, ale ty je pot\u0159eba porovnat s\u00a0t\u00edm, zda tyto vlastnosti spln\u00ed pot\u0159ebnou t\u0159\u00eddy kvality PHI a podle toho pak mo\u017enost jejich pou\u017eit\u00ed v\u00a0dan\u00e9 t\u0159\u00edd\u011b t\u011bsnosti PHI.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Proto vznikly nejen tabulky t\u0159\u00edd t\u011bsnosti PHI\/DHV \u2013 viz. Pravidla ZVDH (2010), Pravidla pro navrhov\u00e1n\u00ed a prov\u00e1d\u011bn\u00ed st\u0159ech \u010cR (2014) a sou\u010dasn\u011b vznikaj\u00edc\u00ed Pravidla Cechu strech\u00e1rov (2020), ale <strong>ve stejn\u00fdch Pravidlech i tabulky t\u0159\u00edd kvality PHI<\/strong>. A v t\u011bchto tabulk\u00e1ch rozhodn\u011b nen\u00ed \u017e\u00e1dn\u00e1 zm\u00ednka o plo\u0161n\u00e9 hmotnosti materi\u00e1lu, ale v\u00fdlu\u010dn\u011b <strong>po\u017eadavky na minim\u00e1ln\u00ed mo\u017en\u00e9 technick\u00e9 vlastnosti t\u011bchto materi\u00e1l\u016f<\/strong>.<\/p>\n<p>Vznikla tedy tabulka t\u0159\u00eddy kvality pro <strong>\u201epodst\u0159e\u0161n\u00ed f\u00f3lie\u201c (PHI) ur\u010den\u00e9 na aplikaci na podkladu<\/strong>, kde jsou 3 t\u0159\u00eddy kvality (<strong>UDB-A, UDB-B, UDB-C<\/strong>) a tabulka pro <strong>\u201epodst\u0159e\u0161n\u00ed f\u00f3lie\u201c (PHI) ur\u010den\u00e9 na aplikaci bez podlo\u017een\u00ed<\/strong>, tj. p\u0159\u00edmo voln\u011b na krokve \u010di vazn\u00edky, kde jsou 2 t\u0159\u00eddy kvality (<strong>USB-A, USB-B<\/strong>). Viz. n\u00ed\u017ee uveden\u00e9 tabulky. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <strong>POZOR: u po\u017eadovan\u00fdch pevnost\u00ed se u materi\u00e1lu ch\u00e1pe tato hodnota jako minim\u00e1ln\u00ed, tj. hodnota po ode\u010dtu uv\u00e1d\u011bn\u00e9 m\u00ednusov\u00e9 tolerance ! <\/strong>P\u0159i\u010dem\u017e pokud dan\u00fd v\u00fdrobek sv\u00fdmi technick\u00fdmi vlastnostmi nespln\u00ed ani nejm\u00e9n\u011b n\u00e1ro\u010dn\u00e9 podm\u00ednky nejm\u00e9n\u011b n\u00e1ro\u010dn\u00e9 t\u0159\u00eddy kvality (t\u0159\u00edda kvality UDB-C \u010di USB-B), pak takov\u00fd v\u00fdrobek v\u016fbec nem\u00e1 b\u00fdt pou\u017e\u00edv\u00e1n na stavb\u011b jako PHI.<strong> Tj. v\u00fdrobek jeho\u017e t\u0159\u00edda reakce na ohe\u0148 je pouze F, \u010di v\u00fdrobek kter\u00fd m\u00e1 sr\u00e1\u017eivost rozm\u011bru v\u011bt\u0161\u00ed jak 2 %, pop\u0159. v\u00fdrobek kter\u00fd m\u00e1 z\u00e1kladn\u00ed p\u0159\u00ed\u010dnou pevnost (<u>POZOR \u2013 tato vlastnost po ode\u010dtu m\u00ednusov\u00e9 tolerance !<\/u>) je men\u0161\u00ed jak 110 N\/5cm, pak takov\u00fd v\u00fdrobek je fakticky na st\u0159e\u0161e pro funkci PHI nepou\u017eiteln\u00fd. <\/strong>Bohu\u017eel i takov\u00e9 v\u00fdrobky se \u010dasto vyskytuj\u00ed i na stavebn\u00edm trhu SK.<\/p>\n<p><strong>Ale pokud v\u00fdrobek m\u00e1 b\u00fdt pou\u017eiteln\u00fd jako PHI pod skl\u00e1dan\u00e9 st\u0159e\u0161n\u00ed krytiny typu p\u00e1len\u00fdch \u010di betonov\u00fdch ta\u0161ek, tj. v\u00a0p\u0159\u00edslu\u0161n\u00fdch t\u0159\u00edd\u00e1ch t\u011bsnosti PHI (v DE i v\u00a0SK), pop\u0159. v\u00fdrobek kter\u00fd m\u00e1 b\u00fdt pou\u017eit pro funkci provizorn\u00edho\/do\u010dasn\u00e9ho zakryt\u00ed stavby (u jak\u00e9koliv krytiny v\u00a0DE, SK i CZ), pak takov\u00fd v\u00fdrobek nem\u016f\u017ee sv\u00fdmi parametry dosahovat jen t\u0159\u00eddy kvality UDB-C nebo USB-B. Tj. pro takovou funkci a \u00fa\u010del pou\u017eit\u00ed je pak nutn\u00e9 pou\u017e\u00edt v\u00fdrobek, jeho\u017e vlastnosti spln\u00ed po\u017eadavky jedn\u00e9 z\u00a0p\u0159\u00edsn\u011bj\u0161\u00edch t\u0159\u00edd kvality. Tj. t\u0159\u00edd kvality UDB-A, UDB-B \u010di USB-A, kde v\u00fdrobek mimo jin\u00e9 mus\u00ed \u00fasp\u011b\u0161n\u011b proj\u00edt i testem na dynamiku de\u0161t\u011b (v\u011bt\u0161inou prov\u00e1d\u011bn\u00fd v\u00a0TU Berl\u00edn).\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>A pokud v\u00fdrobek m\u00e1 plnit i funkci do\u010dasn\u00e9ho\/provizorn\u00edho zakryt\u00ed st\u0159echy, pak pro takovou funkci mus\u00ed b\u00fdt v\u00fdrobcem\/dodavatelem v\u00fdslovn\u011b ur\u010den (v\u010detn\u011b stanoven\u00ed doby funkce). To by u v\u00fdrobku za\u0159azen\u00e9ho do t\u0159\u00eddy kvality UDB-A m\u011blo b\u00fdt automaticky, ale u t\u0159\u00edd kvality UDB-B \u010di USB-A o t\u00e9to mo\u017enosti funkce rozhoduje v\u00fdrobce\/dodavatel PHI. <strong>Tj. u v\u00fdrobk\u016f za\u0159aditeln\u00fdch sv\u00fdmi vlastnostmi pouze v\u00a0nejni\u017e\u0161\u00edch t\u0159\u00edd\u00e1ch kvality (UDB-C a USB-B) takov\u00e1 funkce a pou\u017eitelnost nen\u00ed mo\u017en\u00e1 v\u016fbec !<\/strong><\/p>\n<p><strong>POZOR : Doba ur\u010den\u00e1 u PHI pro dobu funkce \u201edo\u010dasn\u00e9ho\/provizorn\u00edho zakryt\u00ed st\u0159echy\u201c nen\u00ed tot\u00e9\u017e co n\u011bkter\u00fdmi dodavateli uv\u00e1d\u011bn\u00e1 tzv. \u201edoba UV st\u00e1losti\u201c !<\/strong><\/p>\n<p><strong>Jak\u00e9 by tedy m\u011bly b\u00fdt hrani\u010dn\u00ed vlastnosti kvalitn\u00ed podst\u0159e\u0161n\u00ed membr\u00e1ny v\u00a0Prohl\u00e1\u0161en\u00ed o shod\u011b nebo v\u00a0CE technick\u00e9m listu ?<\/strong><\/p>\n<ol>\n<li>T\u0159\u00edda reakce na ohe\u0148 alespo\u0148 <strong>\u201eE\u201c<\/strong> nebo lep\u0161\u00ed dle EN 1350-1 (tj. <strong>nesm\u00ed b\u00fdt jen t\u0159\u00eddy \u201eF\u201c<\/strong>)<\/li>\n<li>T\u0159\u00edda vodot\u011bsnosti <strong>\u201eW1\u201c<\/strong> dle EN 1928 (a to <strong>i po testu um\u011bl\u00e9ho st\u00e1rnut\u00ed<\/strong>)<\/li>\n<li>pevnost na <strong>p\u0159etrh pod\u00e9ln\u00e1 200 N\/5cm<\/strong> (p\u0159ed testem um\u011bl\u00e9ho st\u00e1rnut\u00ed, <strong>hodnota po ode\u010dtu m\u00ednusov\u00e9 tolerance !<\/strong>)<\/li>\n<li>pevnost na <strong>p\u0159etrh p\u0159\u00ed\u010dn\u00e1 150 N\/5cm<\/strong> (p\u0159ed testem um\u011bl\u00e9ho st\u00e1rnut\u00ed, <strong>hodnota po ode\u010dtu m\u00ednusov\u00e9 tolerance !<\/strong>)<\/li>\n<li>Vyhovuj\u00edc\u00ed <strong>test na dynamiku de\u0161t\u011b <\/strong>(nejl\u00e9pe hodnota \u201e0\u201c, <strong>nesm\u00ed b\u00fdt v\u011bt\u0161\u00ed jak hodnota \u201e5\u201c<\/strong>)<\/li>\n<li><strong>Po testu st\u00e1rnut\u00ed<\/strong> \u017e\u00e1dn\u00e1 ze z\u00e1kladn\u00edch \u00favodn\u00edch <strong>mechanick\u00fdch vlastnost\u00ed<\/strong> (pevnost na p\u0159etrh a ta\u017enost) <strong>nesm\u00ed klesnout o v\u00edce jak 35%<\/strong><\/li>\n<\/ol>\n<p><strong>To bez\u00a0probl\u00e9m\u016f spln\u00ed b\u011b\u017en\u00e9 membr\u00e1ny JUTADACH a JUTATOP, a to ji\u017e od typu \u201e Jutadach 115\u201c. A to jak v\u010detn\u011b mechanick\u00fdch vlastnost\u00ed na p\u0159etrh pod\u00e9ln\u011b i p\u0159\u00ed\u010dn\u011b (viz. n\u00ed\u017ee uveden\u00fd graf), tak i u\u00a0 test\u016f na dynamiku de\u0161t\u011b (viz. n\u00ed\u017ee uveden\u00e9 protokoly).<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>A co se t\u00fd\u010de povolen\u00e9 doby pro funkci do\u010dasn\u00e9ho\/provizorn\u00ed zakryt\u00ed st\u0159echy, to u konkr\u00e9tn\u00edch v\u00fdrobk\u016f JUTA\u00a0 ur\u010duje a povoluje p\u0159\u00edmo Aplika\u010dn\u00ed manu\u00e1l JUTA a.s. (aktualizace 01\/2019) \u2013 viz. n\u00ed\u017ee uveden\u00e1 \u201epozn\u00e1mka k\u00a0tab. 8\u201c ze str. 36.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>A znovu p\u0159ipom\u00edn\u00e1m : <\/strong><\/p>\n<p><strong>Doba ur\u010den\u00e1 u \u201epodst\u0159e\u0161n\u00ed f\u00f3lie\u201c (PHI) pro dobu funkce \u201edo\u010dasn\u00e9ho\/provizorn\u00edho zakryt\u00ed st\u0159echy\u201c je \u00fapln\u011b n\u011bco jin\u00e9ho, ne\u017e n\u011bkter\u00fdmi dodavateli uv\u00e1d\u011bn\u00e1 tzv. \u201edoba UV st\u00e1losti\u201c !<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Autor :\u00a0 Jan Rypl, mana\u017eer aplikac\u00ed JUTA a.s., tel.: +420\u00a0602\u00a0194045, rypl@juta.cz, www.juta.cz V sou\u010dasn\u00e9 dob\u011b vznikaj\u00ed mnoh\u00e9 p\u0159edpisy o tom, v jak\u00fdch t\u0159\u00edd\u00e1ch t\u011bsnosti (tj. v jak\u00e9m zp\u016fsobu proveden\u00ed) maj\u00ed b\u00fdt prov\u00e1d\u011bny podst\u0159e\u0161n\u00ed f\u00f3lie\/membr\u00e1ny pod skl\u00e1dan\u00fdmi st\u0159e\u0161n\u00edmi krytinami v \u0161ikm\u00fdch st\u0159ech\u00e1ch. Tj. jak podle konkr\u00e9tn\u00edch podm\u00ednek st\u0159echy maj\u00ed b\u00fdt provedeny PHI = pojistn\u00e9 hydroizolace (v [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":4334,"menu_order":11,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4484","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.stavebnakomora.sk\/index.php?rest_route=\/wp\/v2\/pages\/4484","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stavebnakomora.sk\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.stavebnakomora.sk\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.stavebnakomora.sk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stavebnakomora.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4484"}],"version-history":[{"count":3,"href":"https:\/\/www.stavebnakomora.sk\/index.php?rest_route=\/wp\/v2\/pages\/4484\/revisions"}],"predecessor-version":[{"id":5215,"href":"https:\/\/www.stavebnakomora.sk\/index.php?rest_route=\/wp\/v2\/pages\/4484\/revisions\/5215"}],"up":[{"embeddable":true,"href":"https:\/\/www.stavebnakomora.sk\/index.php?rest_route=\/wp\/v2\/pages\/4334"}],"wp:attachment":[{"href":"https:\/\/www.stavebnakomora.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}