{"id":4050,"date":"2026-10-13T10:00:00","date_gmt":"2026-10-13T10:00:00","guid":{"rendered":"https:\/\/megainsulation.com.tr\/yogusma-nedir\/"},"modified":"2026-10-13T10:00:00","modified_gmt":"2026-10-13T10:00:00","slug":"yogusma-nedir","status":"publish","type":"post","link":"https:\/\/megainsulation.com.tr\/en\/yogusma-nedir\/","title":{"rendered":"Yo\u011fu\u015fma Nedir? Duvar Terlemesi, \u00c7iy Noktas\u0131 ve Yal\u0131t\u0131mla \u00c7\u00f6z\u00fcm"},"content":{"rendered":"

K\u0131saca:<\/strong> Yo\u011fu\u015fma, havadaki su buhar\u0131n\u0131n s\u0131cakl\u0131\u011f\u0131 \u00e7iy noktas\u0131n\u0131n alt\u0131nda kalan bir y\u00fczeye de\u011fdi\u011finde suya d\u00f6n\u00fc\u015fmesidir. Evlerde en s\u0131k k\u0131\u015f\u0131n, d\u0131\u015f duvarlar\u0131n i\u00e7 y\u00fcz\u00fcnde, k\u00f6\u015felerde ve pencere \u00e7evresinde g\u00f6r\u00fcl\u00fcr; halk aras\u0131nda buna duvar terlemesi denir. Kal\u0131c\u0131 \u00e7\u00f6z\u00fcm, i\u00e7 nemi d\u00fc\u015f\u00fcrmek ve duvar\u0131n i\u00e7 y\u00fczeyini \u0131s\u0131 yal\u0131t\u0131m\u0131yla s\u0131cak tutmakt\u0131r.<\/p>\n

So\u011fuk bir sabah cam\u0131n i\u00e7 y\u00fcz\u00fcnde biriken damlalar ile gard\u0131rop arkas\u0131nda beliren \u0131slak leke ayn\u0131 fizi\u011fin sonucudur. Camdaki bu\u011fu \u00e7o\u011fu zaman g\u00fcn i\u00e7inde kurur; mobilya arkas\u0131ndaki duvar ise kurumaya f\u0131rsat bulamadan yeniden \u0131slan\u0131r. A\u015fa\u011f\u0131da \u00e7iy noktas\u0131n\u0131, yo\u011fu\u015fman\u0131n nedenlerini, s\u0131z\u0131nt\u0131dan fark\u0131n\u0131 ve yal\u0131t\u0131m\u0131n etkisini anlat\u0131yoruz.<\/p>\n

Yo\u011fu\u015fma nedir?<\/h2>\n

Yo\u011fu\u015fma, gaz h\u00e2lindeki su buhar\u0131n\u0131n so\u011fuyarak s\u0131v\u0131 suya d\u00f6n\u00fc\u015fmesidir. S\u0131cak hava daha \u00e7ok su buhar\u0131 ta\u015f\u0131yabilir; bu hava so\u011fuk bir y\u00fczeye de\u011fip so\u011fudu\u011funda ta\u015f\u0131yabilece\u011fi buhar miktar\u0131 d\u00fc\u015fer ve fazlas\u0131 y\u00fczeyde damlac\u0131k olarak birikir.<\/p>\n

Binalarda yo\u011fu\u015fman\u0131n iki bi\u00e7imi vard\u0131r. Y\u00fczey yo\u011fu\u015fmas\u0131 duvar\u0131n, cam\u0131n ya da tavan\u0131n oda taraf\u0131nda olur ve g\u00f6zle fark edilir. Ara katman yo\u011fu\u015fmas\u0131 ise duvar\u0131n i\u00e7ine do\u011fru ilerleyen buhar katmanlardan birinde suya d\u00f6nd\u00fc\u011f\u00fcnde olu\u015fur ve d\u0131\u015far\u0131dan g\u00f6r\u00fcnmez. Her iki riskin basitle\u015ftirilmi\u015f hesap y\u00f6ntemleri EN ISO 13788 standard\u0131nda verilir.<\/p>\n

\u00c7iy noktas\u0131 nedir, duvar y\u00fczeyinde nas\u0131l olu\u015fur?<\/h2>\n

\u00c7iy noktas\u0131, nem miktar\u0131 ve bas\u0131n\u00e7 de\u011fi\u015fmeden so\u011futulan havan\u0131n doygunlu\u011fa ula\u015ft\u0131\u011f\u0131 s\u0131cakl\u0131kt\u0131r. Duvar\u0131n i\u00e7 y\u00fczey s\u0131cakl\u0131\u011f\u0131 oda havas\u0131n\u0131n \u00e7iy noktas\u0131na ya da alt\u0131na indi\u011finde o y\u00fczeyde yo\u011fu\u015fma ba\u015flar.<\/p>\n

\u00c7iy noktas\u0131n\u0131 iki de\u011fer belirler: oda s\u0131cakl\u0131\u011f\u0131 ve ba\u011f\u0131l nem. A\u015fa\u011f\u0131daki de\u011ferler, ABD Ulusal Hava Durumu Servisi’nin (NWS) yay\u0131mlad\u0131\u011f\u0131 buhar bas\u0131nc\u0131 ve ba\u011f\u0131l nem form\u00fclleriyle hesaplanm\u0131\u015ft\u0131r.<\/p>\n\n\n\n\n\n\n\n\n
Oda havas\u0131n\u0131n ba\u011f\u0131l nemi<\/th>\n20 \u00b0C odada \u00e7iy noktas\u0131<\/th>\n22 \u00b0C odada \u00e7iy noktas\u0131<\/th>\n<\/tr>\n<\/thead>\n
%40<\/td>\nyakla\u015f\u0131k 6 \u00b0C<\/td>\nyakla\u015f\u0131k 8 \u00b0C<\/td>\n<\/tr>\n
%50<\/td>\nyakla\u015f\u0131k 9 \u00b0C<\/td>\nyakla\u015f\u0131k 11 \u00b0C<\/td>\n<\/tr>\n
%60<\/td>\nyakla\u015f\u0131k 12 \u00b0C<\/td>\nyakla\u015f\u0131k 14 \u00b0C<\/td>\n<\/tr>\n
%70<\/td>\nyakla\u015f\u0131k 14 \u00b0C<\/td>\nyakla\u015f\u0131k 16 \u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Kaynak: NOAA NWS buhar bas\u0131nc\u0131 form\u00fclleriyle hesaplanm\u0131\u015f, en yak\u0131n tam dereceye yuvarlanm\u0131\u015f de\u011ferler.<\/p>\n

Bir \u00f6rnekle bakal\u0131m: 20 \u00b0C’deki bir yatak odas\u0131nda ba\u011f\u0131l nem %60 ise i\u00e7 y\u00fczeyi yakla\u015f\u0131k 12 \u00b0C’ye kadar so\u011fuyan bir duvar k\u00f6\u015fesi terlemeye ba\u015flar. Ayn\u0131 odada nem %40’a inerse yo\u011fu\u015fma i\u00e7in y\u00fczeyin yakla\u015f\u0131k 6 \u00b0C’ye kadar so\u011fumas\u0131 gerekir. Yo\u011fu\u015fmayla m\u00fccadele bu y\u00fczden iki koldan y\u00fcr\u00fcr: havadaki nemi azaltmak ve y\u00fczeyi s\u0131cak tutmak.<\/p>\n

Duvarda yo\u011fu\u015fman\u0131n 5 yayg\u0131n nedeni<\/h2>\n

Duvarda yo\u011fu\u015fma, i\u00e7 y\u00fczeyin so\u011fuk kald\u0131\u011f\u0131 ve i\u00e7 havan\u0131n nemli oldu\u011fu her yerde g\u00f6r\u00fclebilir. En s\u0131k kar\u015f\u0131la\u015f\u0131lan be\u015f neden \u015funlard\u0131r:<\/p>\n

    \n
  1. Is\u0131 k\u00f6pr\u00fcleri:<\/strong> Kolon, kiri\u015f, d\u00f6\u015feme al\u0131nlar\u0131 ve pencere \u00e7evresi duvar\u0131n geri kalan\u0131ndan daha h\u0131zl\u0131 \u0131s\u0131 kaybeder. \u0130\u00e7 y\u00fczey bu noktalarda daha so\u011fuk kal\u0131r ve lekeler \u00e7o\u011fu zaman ilk burada \u00e7\u0131kar; konunun ayr\u0131nt\u0131s\u0131 \u0131s\u0131 k\u00f6pr\u00fcs\u00fc<\/a> yaz\u0131m\u0131zda.<\/li>\n
  2. Yetersiz ya da hi\u00e7 olmayan \u0131s\u0131 yal\u0131t\u0131m\u0131:<\/strong> Yal\u0131t\u0131ms\u0131z d\u0131\u015f duvar\u0131n i\u00e7 y\u00fcz\u00fc, d\u0131\u015f hava so\u011fuduk\u00e7a so\u011fur. Birle\u015fik Krall\u0131k h\u00fck\u00fcmetinin rehberine g\u00f6re yeterince yal\u0131t\u0131lmam\u0131\u015f ve \u0131s\u0131t\u0131lmam\u0131\u015f evlerde d\u0131\u015f duvarlar\u0131n ve pencerelerin i\u00e7 y\u00fcz\u00fcnde yo\u011fu\u015fma daha olas\u0131d\u0131r.<\/li>\n
  3. Evde \u00fcretilen nem:<\/strong> Yemek pi\u015firmek, du\u015f almak, \u00e7ama\u015f\u0131r y\u0131kamak ve kurutmak havaya su buhar\u0131 katar. D\u0131\u015far\u0131 at\u0131lmayan buhar evin en so\u011fuk y\u00fczeyinde toplan\u0131r.<\/li>\n
  4. Yetersiz havaland\u0131rma:<\/strong> Pencereleri hava s\u0131zd\u0131rmayan ama d\u00fczenli havaland\u0131r\u0131lmayan odalarda nemli hava kendili\u011finden d\u0131\u015far\u0131 \u00e7\u0131kamaz ve nem g\u00fcn boyunca birikir.<\/li>\n
  5. D\u0131\u015f duvara dayal\u0131 mobilya:<\/strong> D\u0131\u015f duvara biti\u015fik gard\u0131rop, dolap ve kanepeler arkalar\u0131ndaki duvar\u0131n \u0131s\u0131nmas\u0131n\u0131 ve havalanmas\u0131n\u0131 engeller. Ayn\u0131 rehber, kanepe ve gard\u0131rop arkas\u0131ndaki al\u00e7ak duvar b\u00f6l\u00fcmlerini yo\u011fu\u015fman\u0131n s\u0131k g\u00f6r\u00fcld\u00fc\u011f\u00fc yerler aras\u0131nda sayar.<\/li>\n<\/ol>\n

    Bu nedenler \u00e7o\u011fu zaman bir aradad\u0131r. Lekeler k\u00fcfe d\u00f6n\u00fc\u015fm\u00fc\u015fse duvarda k\u00fcf neden olur<\/a> rehberimiz sonraki ad\u0131mlar\u0131 anlat\u0131r.<\/p>\n

    Yo\u011fu\u015fma, kapiler nem ve su s\u0131z\u0131nt\u0131s\u0131 aras\u0131ndaki fark<\/h2>\n

    Duvardaki her \u0131slakl\u0131k yo\u011fu\u015fma de\u011fildir. Zeminden y\u00fckselen kapiler nem ve d\u0131\u015far\u0131dan ya da tesisattan gelen su s\u0131z\u0131nt\u0131s\u0131 benzer lekeler b\u0131rak\u0131r, ama \u00e7\u00f6z\u00fcmleri farkl\u0131d\u0131r. A\u015fa\u011f\u0131daki basit kontroller ilk ayr\u0131m\u0131 yapman\u0131za yard\u0131mc\u0131 olur.<\/p>\n\n\n\n\n\n\n\n\n\n
    Kontrol<\/th>\nYo\u011fu\u015fma<\/th>\nKapiler (y\u00fckselen) nem<\/th>\nSu s\u0131z\u0131nt\u0131s\u0131<\/th>\n<\/tr>\n<\/thead>\n
    Nemin kayna\u011f\u0131<\/td>\n\u0130\u00e7 havadaki su buhar\u0131<\/td>\nZeminden duvara emilen su<\/td>\n\u00c7at\u0131, cephe, pencere ya da tesisattaki bir kusurdan giren su<\/td>\n<\/tr>\n
    Nerede g\u00f6r\u00fcl\u00fcr?<\/td>\nD\u0131\u015f duvarlar\u0131n i\u00e7 y\u00fcz\u00fc, k\u00f6\u015feler, pencere \u00e7evresi, mobilya arkas\u0131<\/td>\nZemine temas eden duvarlar\u0131n alt b\u00f6l\u00fcm\u00fc<\/td>\nKusurlu noktan\u0131n \u00e7evresi ve alt\u0131<\/td>\n<\/tr>\n
    Ne zaman artar?<\/td>\nSo\u011fuk havalarda, yemek ve du\u015f sonras\u0131nda<\/td>\nZemindeki nem s\u00fcrd\u00fck\u00e7e devam eder<\/td>\nYa\u011f\u0131\u015ftan sonra ya da tesisat kullan\u0131ld\u0131\u011f\u0131nda<\/td>\n<\/tr>\n
    Basit kontrol<\/td>\nCamlarda da bu\u011fu var m\u0131, havaland\u0131r\u0131nca azal\u0131yor mu?<\/td>\nLeke tabandan yukar\u0131 do\u011fru mu yay\u0131l\u0131yor?<\/td>\nLeke belirli bir noktada m\u0131, ya\u011f\u0131\u015fla m\u0131 b\u00fcy\u00fcyor?<\/td>\n<\/tr>\n
    \u00c7\u00f6z\u00fcm\u00fcn y\u00f6n\u00fc<\/td>\nNemi azaltmak, havaland\u0131rmak, i\u00e7 y\u00fczeyi yal\u0131t\u0131mla \u0131s\u0131tmak<\/td>\nZemin ve temel su yal\u0131t\u0131m\u0131, drenaj<\/td>\nKusuru onarmak, ard\u0131ndan duvar\u0131 kurutmak<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Birle\u015fik Krall\u0131k h\u00fck\u00fcmetinin rehberi, y\u00fckselen nemin genellikle eski binalarda g\u00f6r\u00fcld\u00fc\u011f\u00fcn\u00fc ve s\u0131k\u00e7a yanl\u0131\u015f te\u015fhis edildi\u011fini belirtir; g\u00f6rsel incelemeyle fark edilebilse de kesin do\u011frulama i\u00e7in kimyasal test \u00f6nerir. Emin de\u011filseniz yal\u0131t\u0131m karar\u0131ndan \u00f6nce nemin kayna\u011f\u0131n\u0131 bir uzmana tespit ettirin. Eski binalarda bu ad\u0131m eski bina mantolama<\/a> \u00f6ncesindeki \u00f6n kontrol\u00fcn de par\u00e7as\u0131d\u0131r.<\/p>\n

    Yal\u0131t\u0131m yo\u011fu\u015fmay\u0131 nas\u0131l \u00f6nler?<\/h2>\n

    Is\u0131 yal\u0131t\u0131m\u0131, duvar\u0131n i\u00e7 y\u00fczey s\u0131cakl\u0131\u011f\u0131n\u0131 oda s\u0131cakl\u0131\u011f\u0131na yakla\u015ft\u0131rarak y\u00fczeyin \u00e7iy noktas\u0131n\u0131n alt\u0131na d\u00fc\u015fmesini \u00f6nler. Y\u00fczey \u00e7iy noktas\u0131n\u0131n \u00fcst\u00fcnde kald\u0131k\u00e7a su buhar\u0131 orada suya d\u00f6nmez.<\/p>\n

    D\u0131\u015ftan yal\u0131t\u0131mda, yani mantolama<\/a> uygulamas\u0131nda, levha duvar\u0131n so\u011fuk taraf\u0131na yerle\u015fir; duvar k\u00fctlesi s\u0131cak tarafta kal\u0131r ve kolon, kiri\u015f, d\u00f6\u015feme al\u0131nlar\u0131 da ayn\u0131 katmanla \u00f6rt\u00fcl\u00fcr. Is\u0131 kayb\u0131n\u0131n temel mant\u0131\u011f\u0131n\u0131 \u0131s\u0131 yal\u0131t\u0131m\u0131 nedir<\/a> yaz\u0131m\u0131zda, k\u0131\u015f \u00f6ncesi kontrolleri ise evde \u0131s\u0131 kayb\u0131<\/a> rehberimizde bulabilirsiniz.<\/p>\n

    \"Cephesinin
    Mantolamada yal\u0131t\u0131m katman\u0131 duvar\u0131n d\u0131\u015f y\u00fcz\u00fcne yerle\u015fir; duvar\u0131n i\u00e7 y\u00fcz\u00fc b\u00f6ylece daha s\u0131cak kal\u0131r.<\/figcaption><\/figure>\n

    \u0130kinci konu, duvara giren su buhar\u0131n\u0131n d\u0131\u015far\u0131 \u00e7\u0131kabilmesidir. Teknik f\u00f6ylerde bu \u00f6zellik su buhar\u0131 dif\u00fczyon direnci (\u03bc) ile verilir: de\u011fer k\u00fc\u00e7\u00fcld\u00fck\u00e7e malzeme buhar\u0131 daha kolay ge\u00e7irir. Mega teknik f\u00f6ylerindeki de\u011ferler \u015f\u00f6yledir:<\/p>\n\n\n\n\n\n\n
    \u00dcr\u00fcn<\/th>\nSistemdeki g\u00f6revi<\/th>\nSu buhar\u0131 dif\u00fczyon direnci (\u03bc)<\/th>\nKaynak<\/th>\n<\/tr>\n<\/thead>\n
    Ta\u015fy\u00fcn\u00fc mantolama levhas\u0131 (MEGA SW F150, F120, PLUS, ULTRA, SW-35L)<\/td>\nD\u0131\u015f cephe \u0131s\u0131 yal\u0131t\u0131m katman\u0131<\/td>\n1<\/td>\nMega ta\u015fy\u00fcn\u00fc teknik f\u00f6yleri (TS EN 13162+A1)<\/td>\n<\/tr>\n
    MTP-3344 \u0131s\u0131 yal\u0131t\u0131m levha s\u0131vas\u0131<\/td>\nFileli koruma s\u0131vas\u0131<\/td>\nen fazla 15 (EN 1015-19)<\/td>\nMTP-3344 teknik f\u00f6y\u00fc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Ta\u015fy\u00fcn\u00fc mantolama levhas\u0131<\/a> ile \u0131s\u0131 yal\u0131t\u0131m levha s\u0131vas\u0131<\/a> birlikte kullan\u0131ld\u0131\u011f\u0131nda bu iki katman, duvardaki nemin d\u0131\u015far\u0131 do\u011fru kurumas\u0131n\u0131 zorla\u015ft\u0131rmaz; son kat s\u0131va ve boya se\u00e7ilirken de buhar ge\u00e7irgenli\u011fi g\u00f6zetilmelidir. EPS ve XPS levhalar i\u00e7in Mega f\u00f6ylerinde \u03bc de\u011feri verilmedi\u011finden tabloda yer alm\u0131yor; bu levhalarla yap\u0131lan mantolama da i\u00e7 y\u00fczeyi \u0131s\u0131tarak y\u00fczey yo\u011fu\u015fmas\u0131n\u0131 azalt\u0131r.<\/p>\n

    Kolon ve kiri\u015fler ayr\u0131ca ele al\u0131nmal\u0131d\u0131r. \u00dcr\u00fcn sayfas\u0131na g\u00f6re MegaBlock BC<\/a>, \u00fczeri akrilik s\u0131va kapl\u0131 ta\u015fy\u00fcn\u00fc bir eleman olarak kolon, kiri\u015f ve \u0131s\u0131 k\u00f6pr\u00fcs\u00fc olu\u015fabilecek b\u00f6l\u00fcmler i\u00e7in sunulur. Mega Yal\u0131t\u0131m, genel m\u00fcd\u00fcrl\u00fc\u011f\u00fc \u0130stanbul Kavac\u0131k’ta, fabrikas\u0131 Elaz\u0131\u011f’da bulunan bir T\u00fcrk yal\u0131t\u0131m malzemeleri \u00fcreticisidir; ta\u015fy\u00fcn\u00fc, XPS ve EPS levhalar\u0131n yan\u0131 s\u0131ra MegaBlock, DesiWool ve MegaTech yap\u0131 kimyasallar\u0131n\u0131 Mega markas\u0131yla sunar.<\/p>\n

    \n

    MegaUsta’dan uygulama notu:<\/strong> Yal\u0131t\u0131mdan \u00f6nce duvar kurumu\u015f olmal\u0131; nemin kayna\u011f\u0131 giderilmeden yap\u0131\u015ft\u0131r\u0131lan levha \u0131slakl\u0131\u011f\u0131 duvar\u0131n i\u00e7ine hapseder. Pencere yanaklar\u0131 ve denizlik altlar\u0131 da yal\u0131t\u0131m katman\u0131na dahil edilmeli. Bu dar \u015feritler atlan\u0131rsa pencere \u00e7evresi so\u011fuk kal\u0131r ve terleme orada s\u00fcrer.<\/p>\n<\/blockquote>\n

    Havaland\u0131rma ve g\u00fcnl\u00fck al\u0131\u015fkanl\u0131klar<\/h2>\n

    \u0130\u00e7 nemi kontrol alt\u0131nda tutmak, yal\u0131t\u0131ml\u0131 bir evde de yo\u011fu\u015fmay\u0131 \u00f6nlemenin ilk ad\u0131m\u0131d\u0131r. ABD \u00c7evre Koruma Ajans\u0131 (EPA), i\u00e7 ortam ba\u011f\u0131l nemini m\u00fcmk\u00fcnse %60’\u0131n alt\u0131nda, ideal olarak %30 ile %50 aras\u0131nda tutmay\u0131 \u00f6nerir.<\/p>\n