Eftir meira en tuttugu og fimm \u00e1r \u00ed vinnu me\u00f0 i\u00f0na\u00f0arh\u00fa\u00f0un, arkitekt\u00farliti og vi\u00f0arlakki hef \u00e9g l\u00e6rt a\u00f0 form\u00fala getur haft fullkomna h\u00f6rku, festu og efna\u00feol, en samt veri\u00f0 hafna\u00f0 vegna \u00feess a\u00f0 \u00feorna\u00f0a filman l\u00edtur einfaldlega ekki r\u00e9tt \u00fat. Appels\u00ednuh\u00fa\u00f0, burstummerki, r\u00fallumynstur e\u00f0a \u00f3j\u00f6fn glans eru \u00f6ll einkenni sl\u00e6ms fl\u00e6\u00f0is og j\u00f6fnunar. \u00de\u00e1 koma j\u00f6fnunarefni til s\u00f6gunnar. \u00deau eru sjaldan stjarna form\u00falunnar, en \u00feegar \u00feau vantar e\u00f0a eru illa valin, \u00fej\u00e1ist allt verki\u00f0.<\/p>\n
Jafnunarefni virka me\u00f0 \u00fev\u00ed a\u00f0 stj\u00f3rna yfirbor\u00f0sspennu og breytingum hennar \u00feegar blauti filmu \u00feornar. \u00deegar leysiefni gufa upp \u00e1 mismunandi hra\u00f0a, e\u00f0a \u00feegar h\u00fa\u00f0unin byrjar a\u00f0 mynda sk\u00e1n, koma fram sm\u00e1v\u00e6gilegar breytingar \u00ed yfirbor\u00f0sspennu um yfirbor\u00f0i\u00f0. V\u00f6kvi streymir fr\u00e1 sv\u00e6\u00f0um me\u00f0 l\u00e1ga yfirbor\u00f0sspennu til sv\u00e6\u00f0a me\u00f0 h\u00e1a yfirbor\u00f0sspennu, sem skapar bylgjur e\u00f0a \u00e1fer\u00f0. G\u00f3\u00f0ur jafnv\u00e6gisefni l\u00e6kkar heildaryfirbor\u00f0sspennu og hj\u00e1lpar til vi\u00f0 a\u00f0 jafna \u00fat \u00feessum mun svo filman geti sl\u00e9tt sig \u00fat \u00e1\u00f0ur en h\u00fan st\u00edfnar. Sum efni b\u00e6ta einnig blautn yfirbor\u00f0sins, sem dregur \u00far f\u00e6rslu (crawling) \u00e1 erfi\u00f0um yfirbor\u00f0um eins og ol\u00edume\u00f0h\u00f6ndlu\u00f0u m\u00e1lmi e\u00f0a \u00e1kve\u00f0num plastefnum.<\/p>\n
\u00dea\u00f0 er enginn alhli\u00f0a ger\u00f0ur sem virkar alls sta\u00f0ar. Sil\u00edkonbundnir sl\u00e9ttlei\u00f0iefni, s\u00e9rstaklega p\u00f3l\u00fdeterefldir p\u00f3l\u00edd\u00edmet\u00fdls\u00edl\u00f3x\u00e1nar, eru enn algengust b\u00e6\u00f0i \u00ed kerfum sem byggja \u00e1 leysiefnum og vatni. \u00deau eru mj\u00f6g skilvirk vi\u00f0 l\u00e1ga skammta, oft 0,1 til 0,5 pr\u00f3sent, og veita fram\u00farskarandi fl\u00e6\u00f0i og rennsl\u00edki. \u00d3kosturinn er s\u00e1 a\u00f0 \u00feau geta stundum skert endurh\u00fa\u00f0unareiginleika e\u00f0a valdi\u00f0 fiskiaugum ef skammturinn er of h\u00e1r e\u00f0a kerfi\u00f0 er vi\u00f0kv\u00e6mt fyrir s\u00edlikoni. Acryll\u00edkurj\u00f6fnunarefni, yfirleitt p\u00f3l\u00fdakr\u00fdlat-k\u00f3pol\u00fdmer, eru yfirleitt \u00feolandi. \u00deau b\u00e6ta fl\u00e6\u00f0i \u00e1n jafn mikillar \u00e1h\u00e6ttu \u00e1 a\u00f0 l\u00edmi\u00f0 milli laga rj\u00fakist, sem gerir \u00feau gagnleg \u00ed kerfum sem ver\u00f0a endurlakka\u00f0 e\u00f0a \u00ed marglaga uppbyggingu. Fl\u00faorr\u00e6kar ger\u00f0ir valda sterkustu minnkun yfirbor\u00f0sspennu og henta vel \u00e1 l\u00e1gorkuundirl\u00f6g, en \u00fe\u00e6r eru d\u00fdrari og geta haft \u00e1hrif \u00e1 fro\u00f0ustj\u00f3rnun e\u00f0a valdi\u00f0 samr\u00fdmanleika\u00f6r\u00f0ugleikum \u00ed sumum form\u00falum.<\/p>\n
Vatnsbundnar h\u00fa\u00f0unarefni eru s\u00e9rlega krefjandi. Kerfi\u00f0 inniheldur \u00feegar \u00ed sta\u00f0 dreifiefni, blautnunarefni og samrunaefni sem hafa \u00e1hrif \u00e1 yfirbor\u00f0sspennu. A\u00f0 b\u00e6ta sterku s\u00edlikonjafnandi efni getur stundum gert g\u00edgamyndun verri frekar en betri, \u00fev\u00ed \u00fea\u00f0 samr\u00fdmist illa n\u00faverandi yfirbor\u00f0svirkjaefnasamsetningu. \u00c9g hef s\u00e9\u00f0 \u00feetta gerast meira en einu sinni. L\u00e6rd\u00f3murinn var alltaf s\u00e1 sami: \u00fe\u00fa ver\u00f0ur a\u00f0 sko\u00f0a allt b\u00e6tiefnapakki\u00f0 \u00ed heild, ekki bara velja sl\u00e9ttiefni\u00f0 einangra\u00f0.<\/p>\n
Vi\u00f0haldsa\u00f0fer\u00f0 skiptir l\u00edka m\u00e1li. \u00da\u00f0a\u00f0ar i\u00f0na\u00f0arh\u00fa\u00f0un gengur yfirleitt vel me\u00f0 me\u00f0alstyrk s\u00edlikon- e\u00f0a akr\u00fdlger\u00f0a sem jafna fl\u00e6\u00f0i og hnignunar\u00feol. Pensla\u00f0ar e\u00f0a valsa\u00f0ar byggingarh\u00fa\u00f0un \u00feurfa oft efni sem minnkar vi\u00f0n\u00e1m en tryggir samt n\u00e6gan opnunart\u00edma svo m\u00e1lari geti unni\u00f0 me\u00f0 h\u00fa\u00f0unarlagi\u00f0. H\u00fa\u00f0ningar me\u00f0 h\u00e1u f\u00f6stuefnainnihaldi og UV-her\u00f0anlegar h\u00fa\u00f0ningar hafa mj\u00f6g l\u00edtinn t\u00edma til fl\u00e6\u00f0is, svo \u00fe\u00e6r \u00feurfa oft \u00f6flugri e\u00f0a blanda\u00f0a jafnv\u00e6gisefni. Duftlakkar nota gj\u00f6r\u00f3l\u00edka efnafr\u00e6\u00f0i, yfirleitt akr\u00fdl- e\u00f0a s\u00edlik\u00f3nfl\u00e6\u00f0is\u00f6rvandi efni sem br\u00e1\u00f0na og fl\u00e6\u00f0a me\u00f0 har\u00f0vi\u00f0num vi\u00f0 her\u00f0ingu.<\/p>\n
\u00cd framkv\u00e6md eru algengustu mist\u00f6kin ofsk\u00f6mmtun og a\u00f0 sleppa r\u00e9ttri pr\u00f3fun. Meiri sl\u00e9ttunarefni \u00fe\u00fd\u00f0a ekki endilega betri \u00fatlit. Yfir \u00e1kve\u00f0nu marki getur \u00fea\u00f0 valdi\u00f0 \u00feokumyndun, dregi\u00f0 \u00far glj\u00e1a e\u00f0a valdi\u00f0 n\u00fdjum yfirbor\u00f0sg\u00f6llum. \u00c9g byrja yfirleitt \u00e1 r\u00e1\u00f0lag\u00f0ri skammtabilun fr\u00e1 birgi og geri litprufur e\u00f0a litlar \u00fa\u00f0aprufur \u00e1 raunverulegu undirlagi. \u00dea\u00f0 er nau\u00f0synlegt a\u00f0 kanna samr\u00fdmanleika b\u00e6\u00f0i \u00ed v\u00f6kvam\u00e1lningunni og \u00ed \u00feurrku\u00f0u filmu, s\u00e9rstaklega ef yfirbor\u00f0i\u00f0 ver\u00f0ur m\u00e1la\u00f0 aftur e\u00f0a ef langt\u00edma festi skiptir m\u00e1li.<\/p>\n
Anna\u00f0 sem vert er a\u00f0 fylgjast me\u00f0 eru aukaverkanir \u00e1 a\u00f0ra eiginleika. Sum j\u00f6fnunarefni b\u00e6ta rispu\u00feol og rennsli sem aukab\u00f3nus, sem er gagnlegt \u00ed vi\u00f0ar- e\u00f0a plastbeleggjum. A\u00f0rir geta \u00f6rl\u00edti\u00f0 dregi\u00f0 \u00far h\u00f6rku e\u00f0a efna\u00feoli ef \u00feeir flytjast miki\u00f0 upp \u00e1 yfirbor\u00f0i\u00f0. \u00cd gegnlakkum fyrir bifrei\u00f0ar er jafnv\u00e6gi milli sl\u00e9ttunar, myndsk\u00fdrleika og endingu afar mikilv\u00e6gt, svo form\u00faluger\u00f0armenn nota oft h\u00e1g\u00e6\u00f0a bl\u00f6ndur fremur en eina v\u00f6ru.<\/p>\n
\u00c1 framlei\u00f0sluhli\u00f0 er mikilv\u00e6gt a\u00f0 b\u00e6ta st\u00f6\u00f0ugt vi\u00f0. Jafnunarefni skal b\u00e6ta vi\u00f0 \u00feannig a\u00f0 \u00feau dreifist jafnt, venjulega \u00e1 \u00feynningarskei\u00f0i v\u00f6kvah\u00fa\u00f0a. Hitastig og \u00e1fer\u00f0ar skilyr\u00f0i skipta einnig m\u00e1li. Form\u00falur sem jafna fullkomlega vi\u00f0 25 \u00b0C geta s\u00fdnt galla \u00feegar \u00fe\u00e6r eru nota\u00f0ar vi\u00f0 l\u00e6gra hitastig e\u00f0a \u00e1 forskeyttri undirlagi.<\/p>\n
Af \u00fev\u00ed sem \u00e9g hef s\u00e9\u00f0 \u00ed gegnum \u00e1rin me\u00f0h\u00f6ndla verksmi\u00f0jur og form\u00faluger\u00f0armenn sem n\u00e1 bestum \u00e1rangri j\u00f6fnunarefni sem hluta af sam\u00fe\u00e6ttu kerfi frekar en sem eftir\u00e1hugun. \u00deeir halda skr\u00e1 yfir hva\u00f0 virkar me\u00f0 tilteknum har\u00f0v\u00f6rum og litarefnum s\u00ednum og endurtaka pr\u00f3fanir \u00feegar verulegar breytingar ver\u00f0a \u00e1 hr\u00e1efnum. \u00deeir fylgjast einnig me\u00f0 hvernig j\u00f6fnunarefni\u00f0 hefur \u00e1hrif \u00e1 alla ferli\u00f0, fr\u00e1 bl\u00f6ndun til loka\u00fatlits hj\u00e1 vi\u00f0skiptavininum.<\/p>\n
A\u00f0 lokum er j\u00f6fnunarefni enn ein af hagkv\u00e6mustu lei\u00f0unum til a\u00f0 b\u00e6ta sj\u00f3nr\u00e6na g\u00e6\u00f0i h\u00fa\u00f0unar. \u00deegar h\u00fa\u00f0lagi\u00f0 l\u00edtur sl\u00e9tt og einsleit \u00fat taka vi\u00f0skiptavinir \u00fea\u00f0 strax eftir, jafnvel \u00fe\u00f3tt \u00feeir geti ekki nefnt \u00fea\u00f0 aukaefni sem ber \u00e1byrg\u00f0. Alv\u00f6ru verki\u00f0 felst \u00ed \u00fev\u00ed a\u00f0 velja r\u00e9tta efnasamsetningu fyrir epox\u00fdkerfi\u00f0 og \u00e1fer\u00f0arh\u00e1ttinn, pr\u00f3fa hana r\u00e9tt og nota hana \u00ed r\u00e9ttri sk\u00f6mmtun. \u00deegar \u00fea\u00f0 er gert vel, skilar h\u00fa\u00f0unin ekki a\u00f0eins g\u00f3\u00f0ri frammist\u00f6\u00f0u heldur l\u00edtur h\u00fan einnig \u00fat eins og h\u00fan hafi veri\u00f0 l\u00f6g\u00f0 \u00e1 af einhverjum sem vissi hva\u00f0 hann var a\u00f0 gera.<\/p>","protected":false},"excerpt":{"rendered":"
Eftir meira en tuttugu og fimm \u00e1r \u00ed vinnu me\u00f0 i\u00f0na\u00f0arh\u00fa\u00f0un, arkitekt\u00farm\u00e1lningum og vi\u00f0arlakki hef \u00e9g l\u00e6rt a\u00f0 form\u00fala getur haft fullkomna h\u00f6rku, festu og efna\u00feol, en samt veri\u00f0 hafna\u00f0 vegna \u00feess a\u00f0 \u00feorna\u00f0a filman l\u00edtur einfaldlega ekki r\u00e9tt \u00fat. Appels\u00ednuh\u00fa\u00f0, burstumerkjur, r\u00fallutext\u00far e\u00f0a \u00f3j\u00f6fn glans eru \u00f6ll einkenni sl\u00e6ms fl\u00e6\u00f0is og \u2026 <\/p>\n