{"id":28443,"date":"2025-12-21T09:52:13","date_gmt":"2025-12-21T01:52:13","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=28443"},"modified":"2025-12-21T09:52:13","modified_gmt":"2025-12-21T01:52:13","slug":"hodnoceni-pozarni-odolnosti-hlinikovych-vylisku","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/aluminum-extrusion-fire-resistance-rating\/","title":{"rendered":"Po\u017e\u00e1rn\u00ed odolnost hlin\u00edkov\u00fdch profil\u016f?"},"content":{"rendered":"

\"P\u0159izp\u016fsoben\u00e9
P\u0159izp\u016fsoben\u00e9 LED hlin\u00edkov\u00fd profil LED hlin\u00edkov\u00e9 vytla\u010dov\u00e1n\u00ed<\/figcaption><\/figure>\n<\/p>\n

Po\u017e\u00e1rn\u00ed bezpe\u010dnost se \u010dasto st\u00e1v\u00e1 probl\u00e9mem a\u017e pot\u00e9, co je projekt ji\u017e navr\u017een. Hlin\u00edkov\u00e9 profily jsou lehk\u00e9 a pevn\u00e9, ale mnoho kupuj\u00edc\u00edch se ob\u00e1v\u00e1 po\u017e\u00e1rn\u00edho rizika. Tato obava m\u016f\u017ee zpomalit rozhodov\u00e1n\u00ed a vyvolat pochybnosti.<\/p>\n

Hlin\u00edkov\u00fd v\u00fdlisek s\u00e1m o sob\u011b neho\u0159\u00ed, ale jeho po\u017e\u00e1rn\u00ed odolnost z\u00e1vis\u00ed na slitin\u011b, konstrukci, povrchov\u00e9 \u00faprav\u011b a pou\u017eit\u00ed syst\u00e9mu.<\/strong> Hlin\u00edk se p\u0159i vysok\u00e9 teplot\u011b tav\u00ed, proto mus\u00ed b\u00fdt posuzov\u00e1n jako sou\u010d\u00e1st kompletn\u00edho po\u017e\u00e1rn\u011b odoln\u00e9ho syst\u00e9mu.<\/p>\n

Mnoho kupuj\u00edc\u00edch p\u0159estane \u010d\u00edst, jakmile usly\u0161\u00ed \u201chlin\u00edk se tav\u00ed\u201d. To je chyba. Po\u017e\u00e1rn\u00ed odolnost je slo\u017eit\u011bj\u0161\u00ed a jej\u00ed pochopen\u00ed m\u016f\u017ee pomoci l\u00e9pe se rozhodnout p\u0159i n\u00e1vrhu a v\u00fdb\u011bru dodavatel\u016f.<\/p>\n

Jak\u00e9 jsou stupn\u011b po\u017e\u00e1rn\u00ed odolnosti hlin\u00edkov\u00fdch konstrukc\u00ed?<\/h2>\n

Po\u017e\u00e1rn\u00ed hodnocen\u00ed je pro kupuj\u00edc\u00ed hlin\u00edkov\u00fdch v\u00fdrobk\u016f \u010dasto matouc\u00ed. Mnoho lid\u00ed o\u010dek\u00e1v\u00e1 jednoduch\u00e9 \u010d\u00edslo, ale hlin\u00edkov\u00e9 konstrukce se nehodnot\u00ed stejn\u011b jako betonov\u00e9 nebo ocelov\u00e9.<\/p>\n

Hlin\u00edkov\u00e9 konstrukce obvykle nemaj\u00ed vlastn\u00ed t\u0159\u00eddu po\u017e\u00e1rn\u00ed odolnosti. Hodnocen\u00ed se vztahuje na celou sestavu, nikoli na samotn\u00fd hlin\u00edkov\u00fd v\u00fdlisek.<\/strong><\/p>\n

\"CNC
CNC obr\u00e1b\u011bn\u00ed hlin\u00edkov\u00fdch profil\u016f na zak\u00e1zku<\/figcaption><\/figure>\n<\/p>\n

Chov\u00e1n\u00ed hlin\u00edku p\u0159i po\u017e\u00e1ru<\/h3>\n

Hlin\u00edk je neho\u0159lav\u00fd kov. Nevzn\u00edt\u00ed se a neuvol\u0148uje toxick\u00fd kou\u0159. To je v p\u0159\u00edpad\u011b po\u017e\u00e1ru velkou v\u00fdhodou. S rostouc\u00ed teplotou v\u0161ak hlin\u00edk ztr\u00e1c\u00ed pevnost.<\/p>\n

    \n
  • Bod t\u00e1n\u00ed je p\u0159ibli\u017en\u011b 660C<\/li>\n
  • S\u00edla prudce kles\u00e1 nad 200C<\/li>\n
  • Stabilita tvaru z\u00e1vis\u00ed na konstrukci profilu<\/li>\n<\/ul>\n

    To znamen\u00e1, \u017ee hlin\u00edk je bezpe\u010dn\u00fd z hlediska ho\u0159en\u00ed, ale ne z hlediska nosnosti p\u0159i po\u017e\u00e1ru.<\/p>\n

    Vysv\u011btlen\u00ed hodnocen\u00ed po\u017e\u00e1rn\u00ed odolnosti<\/h3>\n

    Hodnocen\u00ed po\u017e\u00e1rn\u00ed odolnosti se m\u011b\u0159\u00ed v \u010dase. Obvykl\u00e9 hodnoty jsou 30, 60, 90 a 120 minut. Tato \u010d\u00edsla popisuj\u00ed, jak dlouho m\u016f\u017ee konstrukce spl\u0148ovat ur\u010dit\u00e1 krit\u00e9ria b\u011bhem standardn\u00ed po\u017e\u00e1rn\u00ed zkou\u0161ky.<\/p>\n

    Test kontroluje t\u0159i hlavn\u00ed v\u011bci:<\/p>\n

      \n
    1. Nosnost<\/li>\n
    2. Integrita proti pr\u016fchodu plamene<\/li>\n
    3. Izolace proti p\u0159enosu tepla<\/li>\n<\/ol>\n

      Samotn\u00e9 hlin\u00edkov\u00e9 v\u00fdlisky obvykle brzy nespl\u0148uj\u00ed krit\u00e9ria \u00fanosnosti. P\u0159i pou\u017eit\u00ed uvnit\u0159 syst\u00e9m\u016f se v\u0161ak v\u00fdsledek m\u016f\u017ee zm\u011bnit.<\/p>\n

      Typick\u00e9 aplikace a jmenovit\u00e9 hodnoty hlin\u00edku<\/h3>\n\n\n\n\n\n\n\n\n
      Oblast pou\u017eit\u00ed<\/th>\nPo\u017e\u00e1rn\u00ed klasifikace<\/th>\nTypick\u00e9 hodnocen\u00ed<\/th>\n<\/tr>\n<\/thead>\n
      R\u00e1my z\u00e1v\u011bs\u016f<\/td>\nSyst\u00e9m testovan\u00fd se sklem a t\u011bsn\u011bn\u00edm<\/td>\n30 a\u017e 60 minut<\/td>\n<\/tr>\n
      Okenn\u00ed r\u00e1my<\/td>\n\u010casto bez ratingu nebo s omezen\u00fdm ratingem<\/td>\n0 a\u017e 30 min<\/td>\n<\/tr>\n
      Pr\u016fmyslov\u00e9 profily<\/td>\nZ\u00e1le\u017e\u00ed na krytu<\/td>\nNa z\u00e1klad\u011b syst\u00e9mu<\/td>\n<\/tr>\n
      Sol\u00e1rn\u00ed mont\u00e1\u017en\u00ed li\u0161ty<\/td>\nObvykle bez hodnocen\u00ed<\/td>\nNen\u00ed vy\u017eadov\u00e1no<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      V mnoha projektech je hlin\u00edk povolen, proto\u017ee nen\u00ed hlavn\u00edm nosn\u00fdm prvkem p\u0159i po\u017e\u00e1ru.<\/p>\n

      N\u00e1vrhov\u00e9 strategie pro zlep\u0161en\u00ed po\u017e\u00e1rn\u00ed odolnosti<\/h3>\n

      Design m\u00e1 velk\u00fd vliv na v\u00fdsledky po\u017e\u00e1ru. Siln\u00e9 st\u011bny, uzav\u0159en\u00e9 \u00faseky a tepeln\u00e9 p\u0159est\u00e1vky mohou zpozdit p\u0159enos tepla.<\/p>\n

      Mezi b\u011b\u017en\u00e9 metody pat\u0159\u00ed:<\/p>\n

        \n
      • Zv\u011bt\u0161uj\u00edc\u00ed se tlou\u0161\u0165ka st\u011bny<\/li>\n
      • P\u0159id\u00e1n\u00ed protipo\u017e\u00e1rn\u00edch desek<\/li>\n
      • Pou\u017eit\u00ed intumescentn\u00edch n\u00e1t\u011br\u016f<\/li>\n
      • Navrhov\u00e1n\u00ed hlin\u00edku jako sekund\u00e1rn\u00ed struktury<\/li>\n<\/ul>\n

        Tyto metody nem\u011bn\u00ed samotn\u00fd hlin\u00edk. M\u011bn\u00ed jen zp\u016fsob, jak\u00fdm syst\u00e9m reaguje na ohe\u0148.<\/p>\n

        <\/svg> Hlin\u00edkov\u00e9 v\u00fdlisky jsou neho\u0159lav\u00e9 a nep\u0159isp\u00edvaj\u00ed k po\u017e\u00e1ru.<\/b>Pravda<\/span><\/p>

        Hlin\u00edk za b\u011b\u017en\u00fdch po\u017e\u00e1rn\u00edch podm\u00ednek neho\u0159\u00ed ani se nevzn\u00edt\u00ed a je klasifikov\u00e1n jako neho\u0159lav\u00fd.<\/p><\/div>
        \n

        <\/svg> Hlin\u00edkov\u00e9 profily maj\u00ed standardn\u011b v\u017edy 60minutovou po\u017e\u00e1rn\u00ed odolnost.<\/b>False<\/span><\/p>

        Po\u017e\u00e1rn\u00ed klasifikace se vztahuje na zkou\u0161en\u00e9 sestavy, nikoli na samotn\u00e9 hlin\u00edkov\u00e9 v\u00fdlisky.<\/p><\/div><\/p>\n

        Jak ovliv\u0148uje povrchov\u00e1 \u00faprava po\u017e\u00e1rn\u00ed odolnost?<\/h2>\n

        Povrchov\u00e1 \u00faprava se \u010dasto vol\u00ed kv\u016fli vzhledu nebo odolnosti proti korozi. O chov\u00e1n\u00ed p\u0159i po\u017e\u00e1ru se mluv\u00ed jen z\u0159\u00eddka, ale v n\u011bkter\u00fdch p\u0159\u00edpadech na n\u011bm z\u00e1le\u017e\u00ed.<\/p>\n

        Povrchov\u00e1 \u00faprava nem\u011bn\u00ed bod t\u00e1n\u00ed hlin\u00edku, ale m\u016f\u017ee ovlivnit kou\u0159, \u0161\u00ed\u0159en\u00ed plamene a reakci povrchu.<\/strong><\/p>\n

        \"Fr\u00e9zov\u00e1n\u00ed
        Fr\u00e9zov\u00e1n\u00ed a mont\u00e1\u017e hlin\u00edkov\u00fdch v\u00fdlisk\u016f<\/figcaption><\/figure>\n<\/p>\n

        B\u011b\u017en\u00e9 povrchov\u00e9 \u00fapravy hlin\u00edku<\/h3>\n

        Mezi nej\u010dast\u011bj\u0161\u00ed l\u00e9\u010debn\u00e9 postupy pat\u0159\u00ed:<\/p>\n

          \n
        • Eloxov\u00e1n\u00ed<\/li>\n
        • Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed<\/li>\n
        • Povlak PVDF<\/li>\n
        • Elektrofor\u00e9za<\/li>\n
        • Mechanick\u00e1 \u00faprava<\/li>\n<\/ul>\n

          Ka\u017ed\u00fdm o\u0161et\u0159en\u00edm se na hlin\u00edkov\u00fd povrch nanese tenk\u00e1 vrstva.<\/p>\n

          Chov\u00e1n\u00ed n\u00e1t\u011br\u016f p\u0159i po\u017e\u00e1ru<\/h3>\n

          Povlaky jsou organick\u00e9 nebo anorganick\u00e9. Tento rozd\u00edl je p\u0159i po\u017e\u00e1ru rozhoduj\u00edc\u00ed.<\/p>\n

          Organick\u00e9 n\u00e1t\u011bry, jako je pr\u00e1\u0161kov\u00fd lak a PVDF, mohou:<\/p>\n

            \n
          • Sp\u00e1lit nebo rozlo\u017eit<\/li>\n
          • Produkovat kou\u0159<\/li>\n
          • Vliv na klasifikaci \u0161\u00ed\u0159en\u00ed plamene<\/li>\n<\/ul>\n

            Anorganick\u00e9 povlaky, jako je eloxov\u00e1n\u00ed, neho\u0159\u00ed.<\/p>\n

            \u0160\u00ed\u0159en\u00ed plamene a vznik kou\u0159e<\/h3>\n

            Mnoho po\u017e\u00e1rn\u00edch p\u0159edpis\u016f se zam\u011b\u0159uje na dva ukazatele:<\/p>\n

              \n
            • Index \u0161\u00ed\u0159en\u00ed plamene<\/li>\n
            • Index v\u00fdvoje kou\u0159e<\/li>\n<\/ul>\n

              Povrchov\u00e9 n\u00e1t\u011bry mohou ob\u011b hodnoty zv\u00fd\u0161it.<\/p>\n\n\n\n\n\n\n\n\n
              Povrchov\u00e1 \u00faprava<\/th>\nHo\u0159lavost<\/th>\nRiziko kou\u0159e<\/th>\nDopad po\u017e\u00e1ru<\/th>\n<\/tr>\n<\/thead>\n
              Eloxov\u00e1n\u00ed<\/td>\nNeho\u0159lav\u00e9<\/td>\nVelmi n\u00edzk\u00e1<\/td>\nMinim\u00e1ln\u00ed<\/td>\n<\/tr>\n
              Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed<\/td>\nHo\u0159lav\u00e9<\/td>\nSt\u0159edn\u00ed<\/td>\nM\u00edrn\u00e1<\/td>\n<\/tr>\n
              Povlak PVDF<\/td>\nHo\u0159lav\u00e9<\/td>\nSt\u0159edn\u00ed a\u017e vysok\u00e1<\/td>\nVy\u0161\u0161\u00ed<\/td>\n<\/tr>\n
              Elektrofor\u00e9za<\/td>\nN\u00edzk\u00e1<\/td>\nN\u00edzk\u00e1<\/td>\nOmezen\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              Proto n\u011bkter\u00e9 ve\u0159ejn\u00e9 projekty omezuj\u00ed pou\u017eit\u00ed hlin\u00edku s povrchovou \u00fapravou v \u00fanikov\u00fdch cest\u00e1ch.<\/p>\n

              P\u0159enos tepla a tlou\u0161\u0165ka povlaku<\/h3>\n

              Povlaky jsou tenk\u00e9. Typick\u00e1 tlou\u0161\u0165ka je:<\/p>\n

                \n
              • Eloxov\u00e1n\u00ed: 10 a\u017e 25 mikron\u016f<\/li>\n
              • Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed: 60 a\u017e 120 mikron\u016f<\/li>\n<\/ul>\n

                Tyto vrstvy nezaji\u0161\u0165uj\u00ed izolaci. Teplo jimi rychle proch\u00e1z\u00ed. Doba po\u017e\u00e1rn\u00ed odolnosti se nezvy\u0161uje.<\/p>\n

                V\u00fdb\u011br povrchov\u00e9 \u00fapravy pro po\u017e\u00e1rn\u011b citliv\u00e9 projekty<\/h3>\n

                Pro projekty, jako jsou:<\/p>\n

                  \n
                • Stanice metra<\/li>\n
                • Leti\u0161t\u011b<\/li>\n
                • Nemocnice<\/li>\n
                • V\u00fd\u0161kov\u00e1 schodi\u0161t\u011b<\/li>\n<\/ul>\n

                  \u010casto se up\u0159ednost\u0148uje eloxovan\u00fd hlin\u00edk. Snadn\u011bji spl\u0148uje po\u017eadavky na neho\u0159lavost.<\/p>\n

                  <\/svg> Eloxov\u00e1n\u00ed nep\u0159id\u00e1v\u00e1 na hlin\u00edkov\u00e9 povrchy ho\u0159lav\u00fd materi\u00e1l.<\/b>Pravda<\/span><\/p>

                  Eloxov\u00e1n\u00ed vytv\u00e1\u0159\u00ed anorganickou a neho\u0159lavou vrstvu oxidu.<\/p><\/div>
                  \n

                  <\/svg> Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed zlep\u0161uje dobu po\u017e\u00e1rn\u00ed odolnosti hlin\u00edku.<\/b>False<\/span><\/p>

                  Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed nezvy\u0161uje dobu po\u017e\u00e1rn\u00ed odolnosti a m\u016f\u017ee p\u0159idat ho\u0159lav\u00fd materi\u00e1l.<\/p><\/div><\/p>\n

                  Odol\u00e1 eloxovan\u00fd hlin\u00edk vysok\u00fdm teplot\u00e1m?<\/h2>\n

                  Eloxovan\u00fd hlin\u00edk je \u010dasto pova\u017eov\u00e1n za ohnivzdorn\u011bj\u0161\u00ed. To je \u010d\u00e1ste\u010dn\u011b pravda, ale je t\u0159eba to jasn\u011b vysv\u011btlit.<\/p>\n

                  Eloxovan\u00fd hlin\u00edk odol\u00e1v\u00e1 po\u0161kozen\u00ed povrchu p\u0159i vysok\u00e9 teplot\u011b, ale p\u0159esto ztr\u00e1c\u00ed pevnost, jak se z\u00e1kladn\u00ed hlin\u00edk zah\u0159\u00edv\u00e1.<\/strong><\/p>\n

                  \"Tov\u00e1rn\u00ed
                  Tov\u00e1rn\u00ed cena Vlastn\u00ed hlin\u00edkov\u00fd vytla\u010dovac\u00ed chladi\u010d<\/figcaption><\/figure>\n<\/p>\n

                  Co eloxov\u00e1n\u00ed skute\u010dn\u011b d\u011bl\u00e1<\/h3>\n

                  Eloxov\u00e1n\u00edm se hlin\u00edkov\u00fd povrch p\u0159em\u011bn\u00ed na oxid hlinit\u00fd. Tato vrstva je:<\/p>\n

                    \n
                  • Hard<\/li>\n
                  • Stabiln\u00ed<\/li>\n
                  • Neho\u0159lav\u00e9<\/li>\n<\/ul>\n

                    Oxid hlinit\u00fd m\u00e1 mnohem vy\u0161\u0161\u00ed bod t\u00e1n\u00ed ne\u017e kovov\u00fd hlin\u00edk.<\/p>\n

                    Porovn\u00e1n\u00ed teplotn\u00edho odporu<\/h3>\n\n\n\n\n\n\n\n
                    Vrstva materi\u00e1lu<\/th>\nP\u0159ibli\u017en\u00e1 stabilita<\/th>\n<\/tr>\n<\/thead>\n
                    Hlin\u00edkov\u00fd kov<\/td>\nZtr\u00e1c\u00ed pevnost p\u0159i teplot\u011b nad 200C<\/td>\n<\/tr>\n
                    Eloxovan\u00e1 vrstva oxidu<\/td>\nStabiln\u00ed p\u0159i teplot\u00e1ch nad 1000C<\/td>\n<\/tr>\n
                    Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed<\/td>\nDegraduje kolem 200-300C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                    To znamen\u00e1, \u017ee povrch z\u016fst\u00e1v\u00e1 d\u00e9le neporu\u0161en\u00fd, ale struktura pod n\u00edm st\u00e1le sl\u00e1bne.<\/p>\n

                    Vizu\u00e1ln\u00ed vzhled p\u0159i vystaven\u00ed po\u017e\u00e1ru<\/h3>\n

                    \u010casto eloxovan\u00fd hlin\u00edk:<\/p>\n

                      \n
                    • Zm\u011bn\u00ed barvu<\/li>\n
                    • Vykazuje povrchovou matnost<\/li>\n
                    • Zachov\u00e1v\u00e1 celistvost povlaku<\/li>\n<\/ul>\n

                      \u010casto pr\u00e1\u0161kov\u011b lakovan\u00fd hlin\u00edk:<\/p>\n

                        \n
                      • Bubliny<\/li>\n
                      • Peelingy<\/li>\n
                      • Produkuje kou\u0159<\/li>\n<\/ul>\n

                        Tento rozd\u00edl je d\u016fle\u017eit\u00fd pro kontrolu a vyhodnocen\u00ed bezpe\u010dnosti po po\u017e\u00e1ru.<\/p>\n

                        Struktur\u00e1ln\u00ed limity z\u016fst\u00e1vaj\u00ed zachov\u00e1ny<\/h3>\n

                        Dokonce i s eloxov\u00e1n\u00edm:<\/p>\n

                          \n
                        • Nosnost rychle kles\u00e1<\/li>\n
                        • Zvy\u0161uje se v\u00fdchylka<\/li>\n
                        • P\u0159ipojen\u00ed mohou selhat<\/li>\n<\/ul>\n

                          Eloxov\u00e1n\u00ed nen\u00ed neho\u0159lav\u00e9 \u0159e\u0161en\u00ed. Jedn\u00e1 se o bezpe\u010dn\u011bj\u0161\u00ed variantu povrchu.<\/p>\n

                          Praktick\u00e9 p\u0159\u00edpady pou\u017eit\u00ed<\/h3>\n

                          Eloxovan\u00fd hlin\u00edk se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 v:<\/p>\n

                            \n
                          • Po\u017e\u00e1rn\u00ed z\u00e1bradl\u00ed<\/li>\n
                          • D\u00edl\u010d\u00ed r\u00e1my fas\u00e1dy<\/li>\n
                          • Vnit\u0159n\u00ed ve\u0159ejn\u00e9 prostory<\/li>\n
                          • Dopravn\u00ed uzly<\/li>\n<\/ul>\n

                            Spl\u0148uje pravidla pro neho\u0159lav\u00e9 povrchy, ale st\u00e1le se spol\u00e9h\u00e1 na po\u017e\u00e1rn\u00ed odolnost syst\u00e9mu.<\/p>\n

                            <\/svg> Eloxovan\u00fd hlin\u00edk si zachov\u00e1v\u00e1 stabilitu povrchu p\u0159i velmi vysok\u00fdch teplot\u00e1ch.<\/b>Pravda<\/span><\/p>

                            Eloxovan\u00e1 vrstva oxidu je stabiln\u00ed p\u0159i teplot\u00e1ch mnohem vy\u0161\u0161\u00edch ne\u017e kovov\u00fd hlin\u00edk.<\/p><\/div>
                            \n

                            <\/svg> Eloxov\u00e1n\u00ed umo\u017e\u0148uje hlin\u00edku zachovat si p\u0159i po\u017e\u00e1ru plnou struktur\u00e1ln\u00ed pevnost.<\/b>False<\/span><\/p>

                            Eloxov\u00e1n\u00ed nezabra\u0148uje tomu, aby hlin\u00edk p\u0159i zvy\u0161uj\u00edc\u00ed se teplot\u011b ztr\u00e1cel pevnost.<\/p><\/div><\/p>\n

                            Kter\u00e9 p\u0159edpisy definuj\u00ed po\u017eadavky na po\u017e\u00e1rn\u00ed odolnost?<\/h2>\n

                            Pravidla po\u017e\u00e1rn\u00ed odolnosti z\u00e1vis\u00ed na regionu a typu budovy. Odb\u011bratel\u00e9 hlin\u00edku mus\u00ed p\u0159ed cenovou nab\u00eddkou nebo projektov\u00e1n\u00edm pochopit, kter\u00e9 normy plat\u00ed.<\/p>\n

                            Po\u017eadavky na po\u017e\u00e1rn\u00ed odolnost vych\u00e1zej\u00ed ze stavebn\u00edch p\u0159edpis\u016f a zku\u0161ebn\u00edch norem, nikoli pouze ze specifikac\u00ed hlin\u00edkov\u00fdch materi\u00e1l\u016f.<\/strong><\/p>\n

                            \"Hlin\u00edkov\u00e9
                            Hlin\u00edkov\u00e9 v\u00fdlisky pro osv\u011btlovac\u00ed syst\u00e9my LED<\/figcaption><\/figure>\n<\/p>\n

                            Hlavn\u00ed mezin\u00e1rodn\u00ed po\u017e\u00e1rn\u00ed normy<\/h3>\n

                            Na r\u016fzn\u00fdch trz\u00edch se pou\u017e\u00edvaj\u00ed r\u016fzn\u00e9 syst\u00e9my.<\/p>\n

                              \n
                            • Evropa: Normy EN<\/li>\n
                            • Spojen\u00e9 st\u00e1ty americk\u00e9: ASTM a NFPA<\/li>\n
                            • Bl\u00edzk\u00fd v\u00fdchod: Kodexy civiln\u00ed obrany<\/li>\n
                            • Japonsko: Z\u00e1kon o stavebn\u00edch norm\u00e1ch<\/li>\n<\/ul>\n

                              Hlin\u00edkov\u00e9 v\u00fdlisky mus\u00ed do t\u011bchto r\u00e1m\u016f zapadat.<\/p>\n

                              Evropsk\u00fd klasifika\u010dn\u00ed syst\u00e9m<\/h3>\n

                              V Evrop\u011b se reakce na ohe\u0148 klasifikuje od A1 do F.<\/p>\n

                                \n
                              • A1: neho\u0159lav\u00e9<\/li>\n
                              • A2: Omezen\u00fd p\u0159\u00edsp\u011bvek<\/li>\n
                              • B a\u017e F: Zvy\u0161uj\u00edc\u00ed se riziko po\u017e\u00e1ru<\/li>\n<\/ul>\n

                                Hol\u00fd hlin\u00edk a eloxovan\u00fd hlin\u00edk obvykle spl\u0148uj\u00ed normu A1 nebo A2. Hlin\u00edk s povrchovou \u00fapravou m\u016f\u017ee spadat do ni\u017e\u0161\u00edch t\u0159\u00edd, pokud nen\u00ed testov\u00e1n.<\/p>\n

                                Po\u017e\u00e1rn\u00ed odolnost versus reakce na ohe\u0148<\/h3>\n

                                Jedn\u00e1 se o odli\u0161n\u00e9 pojmy.<\/p>\n

                                Reakce na ohe\u0148:<\/p>\n

                                  \n
                                • Jak materi\u00e1l p\u0159isp\u00edv\u00e1 ke vzniku po\u017e\u00e1ru<\/li>\n
                                • \u0160\u00ed\u0159en\u00ed plamene<\/li>\n
                                • Kou\u0159<\/li>\n<\/ul>\n

                                  Po\u017e\u00e1rn\u00ed odolnost:<\/p>\n

                                    \n
                                  • Jak dlouho sestava odol\u00e1v\u00e1 po\u017e\u00e1ru<\/li>\n
                                  • M\u011b\u0159eno v minut\u00e1ch<\/li>\n<\/ul>\n

                                    Hlin\u00edk \u010dasto vyhovuje reakci na ohe\u0148, ale nevyhovuje samotn\u00e9 po\u017e\u00e1rn\u00ed odolnosti.<\/p>\n

                                    Spole\u010dn\u00e1 regula\u010dn\u00ed o\u010dek\u00e1v\u00e1n\u00ed<\/h3>\n\n\n\n\n\n\n\n\n
                                    Typ budovy<\/th>\nTypick\u00fd po\u017eadavek<\/th>\n<\/tr>\n<\/thead>\n
                                    Reziden\u010dn\u00ed<\/td>\nOmezen\u00e1 po\u017e\u00e1rn\u00ed odolnost<\/td>\n<\/tr>\n
                                    Komer\u010dn\u00ed<\/td>\n30 a\u017e 60minutov\u00e9 syst\u00e9my<\/td>\n<\/tr>\n
                                    V\u00fd\u0161kov\u00e9 budovy<\/td>\nP\u0159\u00edsn\u00e9 testov\u00e1n\u00ed syst\u00e9mu<\/td>\n<\/tr>\n
                                    Pr\u016fmyslov\u00e9<\/td>\nSpecifick\u00fd p\u0159\u00edpad<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                    Proto se hlin\u00edk hojn\u011b pou\u017e\u00edv\u00e1, ale jen z\u0159\u00eddkakdy se pou\u017e\u00edv\u00e1 samostatn\u011b v po\u017e\u00e1rn\u011b odoln\u00fdch prvc\u00edch.<\/p>\n

                                    Odpov\u011bdnost kupuj\u00edc\u00edho za dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f<\/h3>\n

                                    V\u00fdrobci dod\u00e1vaj\u00ed profily. Projektanti definuj\u00ed syst\u00e9my. Dodavatel\u00e9 instaluj\u00ed sestavy.<\/p>\n

                                    Kupuj\u00edc\u00ed by m\u011bli:<\/p>\n

                                      \n
                                    • Vy\u017e\u00e1dejte si protokoly o po\u017e\u00e1rn\u00edch zkou\u0161k\u00e1ch<\/li>\n
                                    • Potvrzen\u00ed t\u0159\u00eddy povrchov\u00e9 \u00fapravy<\/li>\n
                                    • Shoda pou\u017eit\u00ed v\u00fdrobku s k\u00f3dem<\/li>\n<\/ul>\n

                                      T\u00edm se p\u0159edejde riziku ve f\u00e1zi kontroly.<\/p>\n

                                      <\/svg> Po\u017eadavky na po\u017e\u00e1rn\u00ed odolnost jsou definov\u00e1ny stavebn\u00edmi p\u0159edpisy a zkou\u0161en\u00fdmi sestavami.<\/b>Pravda<\/span><\/p>

                                      P\u0159edpisy a normy definuj\u00ed, jak mus\u00ed syst\u00e9my fungovat p\u0159i po\u017e\u00e1ru, nikoliv pouze jednotliv\u00e9 materi\u00e1ly.<\/p><\/div>
                                      \n

                                      <\/svg> V\u0161echny hlin\u00edkov\u00e9 v\u00fdlisky automaticky spl\u0148uj\u00ed celosv\u011btov\u00e1 pravidla pro po\u017e\u00e1rn\u00ed odolnost.<\/b>False<\/span><\/p>

                                      Shoda z\u00e1vis\u00ed na aplikaci, povrchov\u00e9 \u00faprav\u011b a konstrukci testovan\u00e9ho syst\u00e9mu.<\/p><\/div><\/p>\n

                                      Z\u00e1v\u011br<\/h2>\n

                                      Hlin\u00edkov\u00e9 v\u00fdlisky jsou bezpe\u010dn\u00e9, neho\u0159lav\u00e9 a \u0161iroce akceptovan\u00e9 ve stavebnictv\u00ed. Po\u017e\u00e1rn\u00ed odolnost z\u00e1vis\u00ed na konstrukci syst\u00e9mu, povrchov\u00e9 \u00faprav\u011b a p\u0159edpisech. Pochopen\u00ed t\u011bchto limit\u016f pom\u00e1h\u00e1 kupuj\u00edc\u00edm vyb\u00edrat hlin\u00edk s jistotou.<\/p>","protected":false},"excerpt":{"rendered":"

                                      Customized LED Aluminium Profile LED Aluminum Extrusion Fire safety often becomes a problem only after a project is already designed. Aluminum profiles are light and strong, but many buyers worry about fire risk. This concern can slow decisions and raise doubts. Aluminum extrusion itself does not burn, but its fire resistance rating depends on alloy, […]<\/p>\n","protected":false},"author":6,"featured_media":8214,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-28443","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-custom-mold"],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/28443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/comments?post=28443"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/28443\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/8214"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=28443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=28443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=28443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}