{"id":4068,"date":"2026-10-09T10:00:00","date_gmt":"2026-10-09T10:00:00","guid":{"rendered":"https:\/\/megainsulation.com.tr\/yerden-isitma-yalitimi\/"},"modified":"2026-10-09T10:00:00","modified_gmt":"2026-10-09T10:00:00","slug":"yerden-isitma-yalitimi","status":"publish","type":"post","link":"https:\/\/megainsulation.com.tr\/en\/yerden-isitma-yalitimi\/","title":{"rendered":"Yerden Is\u0131tma Yal\u0131t\u0131m\u0131: Katman S\u0131ras\u0131 ve Yal\u0131t\u0131m Malzemesi Se\u00e7imi"},"content":{"rendered":"

K\u0131saca:<\/strong> Yerden \u0131s\u0131tma yal\u0131t\u0131m\u0131, \u0131s\u0131tma borular\u0131n\u0131n alt\u0131na serilen ve \u0131s\u0131n\u0131n d\u00f6\u015feme betonuna, alt kata ya da topra\u011fa ka\u00e7mas\u0131n\u0131 engelleyen yal\u0131t\u0131m tabakas\u0131d\u0131r. Do\u011fru s\u0131ra; ta\u015f\u0131y\u0131c\u0131 d\u00f6\u015femenin \u00fczerine yal\u0131t\u0131m levhas\u0131, onun \u00fczerine borular\u0131 tutan \u0131s\u0131tma levhas\u0131, borular, \u015fap ve en \u00fcstte kaplamad\u0131r. Kal\u0131nl\u0131k, d\u00f6\u015femenin alt\u0131nda ne bulundu\u011funa g\u00f6re se\u00e7ilir.<\/p>\n

Yerden \u0131s\u0131tmada \u0131s\u0131 kayna\u011f\u0131 d\u00f6\u015femenin i\u00e7indedir; d\u00f6\u015feme hem \u0131s\u0131t\u0131c\u0131d\u0131r hem de \u0131s\u0131n\u0131n ka\u00e7abilece\u011fi bir y\u00fczeydir. A\u015fa\u011f\u0131da katmanlar\u0131, levha se\u00e7imini ve s\u0131k hatalar\u0131 ele al\u0131yoruz. Malzeme i\u00e7in EPS nedir<\/a> yaz\u0131m\u0131za bakabilirsiniz.<\/p>\n

Yerden \u0131s\u0131tmada alt yal\u0131t\u0131m neden \u015fart?<\/h2>\n

Is\u0131 her y\u00f6ne yay\u0131ld\u0131\u011f\u0131 i\u00e7in alt yal\u0131t\u0131m \u015fartt\u0131r: borunun alt\u0131nda yal\u0131t\u0131m yoksa \u00fcretilen \u0131s\u0131n\u0131n bir b\u00f6l\u00fcm\u00fc odaya de\u011fil, d\u00f6\u015feme betonuna ve onun alt\u0131ndaki mek\u00e2na gider. Alt yal\u0131t\u0131m bu yolu keser ve \u0131s\u0131n\u0131n yukar\u0131ya, ya\u015fanan hacme y\u00f6nelmesini sa\u011flar.<\/p>\n

Kay\u0131p en \u00e7ok alt\u0131nda toprak, \u0131s\u0131t\u0131lmayan bir hacim ya da d\u0131\u015f hava bulunan d\u00f6\u015femelerde hissedilir: zemin kat, pilotiye bakan d\u00f6\u015femeler, bodrum \u00fcst\u00fc katlar. Ara katta alttaki daire de \u0131s\u0131t\u0131l\u0131yorsa kay\u0131p azal\u0131r ama s\u0131f\u0131rlanmaz. EN 1264-4 bu y\u00fczden alttaki ko\u015fula g\u00f6re farkl\u0131 asgari \u0131s\u0131l diren\u00e7 de\u011ferleri \u00f6ng\u00f6r\u00fcr.<\/p>\n

Is\u0131tma borular\u0131 neden bir levha \u00fczerine sabitlenir?<\/h2>\n

Borular, \u0131s\u0131n\u0131n d\u00f6\u015femeye e\u015fit da\u011f\u0131lmas\u0131 i\u00e7in hesaplanan aral\u0131kla d\u00f6\u015fenir ve levha bu aral\u0131\u011f\u0131 \u015fap d\u00f6k\u00fcl\u00fcrken de korur. Mega’n\u0131n EPS yerden \u0131s\u0131tma levhas\u0131<\/a>, \u00fcr\u00fcn sayfas\u0131ndaki tan\u0131m\u0131yla s\u0131cak su borular\u0131n\u0131n sa\u011fl\u0131kl\u0131 bir da\u011f\u0131l\u0131mla zemine sabitlenmesini sa\u011flar; PEX borular\u0131n i\u00e7 mek\u00e2nda d\u00f6\u015fenmesini kolayla\u015ft\u0131r\u0131rken \u0131s\u0131 yal\u0131t\u0131m\u0131na da yard\u0131mc\u0131 olur.<\/p>\n

Is\u0131tma levhas\u0131 borular\u0131 ta\u015f\u0131r ve yerle\u015fimini d\u00fczenler. Yal\u0131t\u0131m hesab\u0131nda as\u0131l katman olarak ise \u0131s\u0131l iletkenli\u011fi ve basma dayan\u0131m\u0131 teknik f\u00f6yle belgelenmi\u015f XPS veya EPS levhalar esas al\u0131n\u0131r.<\/p>\n

\"Mega
EPS yerden \u0131s\u0131tma levhas\u0131n\u0131n kabartmal\u0131 y\u00fczeyi, borular\u0131n levha \u00fczerinde d\u00fczenli aral\u0131kla tutulmas\u0131na yard\u0131mc\u0131 olur.<\/figcaption><\/figure>\n

Yerden \u0131s\u0131tma katman s\u0131ras\u0131 nas\u0131l olmal\u0131?<\/h2>\n

Alttan \u00fcste s\u0131ra \u015f\u00f6yledir: ta\u015f\u0131y\u0131c\u0131 d\u00f6\u015feme, \u0131s\u0131 yal\u0131t\u0131m levhas\u0131, \u0131s\u0131tma levhas\u0131, borular, \u015fap ve kaplama. Buna duvar diplerindeki kenar band\u0131 ve gerekiyorsa su yal\u0131t\u0131m\u0131 eklenir.<\/p>\n

    \n
  1. Ta\u015f\u0131y\u0131c\u0131 d\u00f6\u015feme:<\/strong> Beton y\u00fczey temiz, kuru ve d\u00fcz olmal\u0131d\u0131r; p\u00fcr\u00fczler levhalar\u0131n oynamas\u0131na yol a\u00e7ar.<\/li>\n
  2. Su yal\u0131t\u0131m\u0131:<\/strong> Toprakla temas eden d\u00f6\u015femelerde projede \u00f6ng\u00f6r\u00fclen su yal\u0131t\u0131m\u0131, yal\u0131t\u0131m levhalar\u0131ndan \u00f6nce yap\u0131l\u0131r.<\/li>\n
  3. Kenar band\u0131:<\/strong> Duvar ve kolon diplerine, \u015fap y\u00fcksekli\u011fini a\u015facak \u015fekilde sabitlenir.<\/li>\n
  4. Is\u0131 yal\u0131t\u0131m levhas\u0131:<\/strong> Hesaplanan kal\u0131nl\u0131ktaki XPS ya da EPS levhalar derzleri \u015fa\u015f\u0131rt\u0131larak, bo\u015fluksuz serilir. Ara katta darbe sesi levhas\u0131 da bu katmandad\u0131r.<\/li>\n
  5. Is\u0131tma levhas\u0131:<\/strong> Borular\u0131 hesaplanan aral\u0131kta tutan EPS levha yal\u0131t\u0131m\u0131n \u00fczerine yerle\u015ftirilir.<\/li>\n
  6. Borular:<\/strong> Projedeki devre plan\u0131na g\u00f6re d\u00f6\u015fenir; \u015fap d\u00f6k\u00fcl\u00fcrken borular bas\u0131n\u00e7 alt\u0131nda tutulur ki olas\u0131 bir s\u0131z\u0131nt\u0131 hemen fark edilsin.<\/li>\n
  7. \u015eap:<\/strong> Borular\u0131n \u00e7evresini bo\u015fluksuz saracak \u015fekilde d\u00f6k\u00fcl\u00fcr ve s\u0131k\u0131\u015ft\u0131r\u0131l\u0131r.<\/li>\n
  8. Kaplama:<\/strong> Seramik, do\u011fal ta\u015f, parke ya da laminat, \u015fap yeterince kuruduktan sonra d\u00f6\u015fenir.<\/li>\n<\/ol>\n
    \n

    MegaUsta’dan uygulama notu:<\/strong> Kenar band\u0131n\u0131n ta\u015fan k\u0131sm\u0131n\u0131 \u015fap d\u00f6k\u00fcld\u00fckten hemen sonra kesmeyin. Bant kaplama bitene kadar yerinde kal\u0131r, fazlas\u0131 kaplama d\u00f6\u015fendikten sonra kaplama hizas\u0131nda kesilir.<\/p>\n<\/blockquote>\n

    Yerden \u0131s\u0131tma yal\u0131t\u0131m\u0131 i\u00e7in kal\u0131nl\u0131k ve bas\u0131n\u00e7 s\u0131n\u0131f\u0131 nas\u0131l se\u00e7ilir?<\/h2>\n

    Kal\u0131nl\u0131k, d\u00f6\u015femenin alt\u0131nda ne bulundu\u011funa ve levhan\u0131n \u0131s\u0131l iletkenli\u011fine (\u03bbD) g\u00f6re se\u00e7ilir; \u0131s\u0131l diren\u00e7, kal\u0131nl\u0131\u011f\u0131n \u03bbD de\u011ferine b\u00f6l\u00fcnmesiyle bulunur. Bas\u0131n\u00e7 s\u0131n\u0131f\u0131 ise levhan\u0131n \u015fap ve kullan\u0131m y\u00fck\u00fc alt\u0131nda ezilmeden \u00e7al\u0131\u015fmas\u0131 i\u00e7in belirlenir.<\/p>\n

    EN 1264-4’e dayanan planlama k\u0131lavuzlar\u0131, \u0131s\u0131tma katman\u0131n\u0131n alt\u0131ndaki yal\u0131t\u0131m i\u00e7in a\u015fa\u011f\u0131daki asgari de\u011ferleri verir. \u00d6rnek kal\u0131nl\u0131klar Mega f\u00f6ylerindeki \u03bbD ile yapt\u0131\u011f\u0131m\u0131z basit hesapt\u0131r; \u0131s\u0131tma levhas\u0131 hesaba kat\u0131lmam\u0131\u015ft\u0131r.<\/p>\n\n\n\n\n\n\n\n\n
    D\u00f6\u015femenin alt\u0131ndaki ko\u015ful<\/th>\nAsgari \u0131s\u0131l diren\u00e7 (m\u00b2K\/W)<\/th>\nMEGA XPS T3000 ile (\u03bbD 0,035 W\/mK)<\/th>\nMEGA EPS 100W ile (\u03bbD 0,036 W\/mK)<\/th>\n<\/tr>\n<\/thead>\n
    Is\u0131t\u0131lan bir oda<\/td>\n0,75<\/td>\n30 mm \u2248 0,86<\/td>\n30 mm \u2248 0,83<\/td>\n<\/tr>\n
    Is\u0131t\u0131lmayan ya da ara s\u0131ra \u0131s\u0131t\u0131lan oda, toprak veya tasar\u0131m s\u0131cakl\u0131\u011f\u0131 0 \u00b0C \u00fczerinde d\u0131\u015f hava<\/td>\n1,25<\/td>\n50 mm \u2248 1,43<\/td>\n50 mm \u2248 1,39<\/td>\n<\/tr>\n
    D\u0131\u015f hava, tasar\u0131m s\u0131cakl\u0131\u011f\u0131 0 \u00b0C ile -5 \u00b0C aras\u0131<\/td>\n1,50<\/td>\n60 mm \u2248 1,71<\/td>\n60 mm \u2248 1,67<\/td>\n<\/tr>\n
    D\u0131\u015f hava, tasar\u0131m s\u0131cakl\u0131\u011f\u0131 -5 \u00b0C ile -15 \u00b0C aras\u0131<\/td>\n2,00<\/td>\n70 mm = 2,00<\/td>\n80 mm \u2248 2,22<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Kaynak: EN 1264-4’e dayanan sistem k\u0131lavuzu; \u03bbD de\u011ferleri Mega teknik f\u00f6ylerinden. Yeralt\u0131 suyu seviyesi 5 m’den yak\u0131nsa k\u0131lavuz, topra\u011fa oturan d\u00f6\u015feme i\u00e7in verilen de\u011ferin art\u0131r\u0131lmas\u0131n\u0131 \u00f6nerir.<\/p>\n

    Bu de\u011ferler alt s\u0131n\u0131rd\u0131r. Kesin kal\u0131nl\u0131k \u0131s\u0131 yal\u0131t\u0131m projesinde belirlenir: Binalarda Enerji Performans\u0131 Y\u00f6netmeli\u011fi, TS 825 hesap y\u00f6ntemine g\u00f6re yetkili makine m\u00fchendisince haz\u0131rlanan bu projeyi yap\u0131 ruhsat\u0131 a\u015famas\u0131nda ister. Bas\u0131n\u00e7 s\u0131n\u0131f\u0131 ise d\u00f6\u015femeye gelecek y\u00fckle birlikte de\u011ferlendirilir; tiplerin fark\u0131 i\u00e7in XPS bas\u0131n\u00e7 dayan\u0131m\u0131<\/a> yaz\u0131m\u0131za bakabilirsiniz.<\/p>\n

    Yerden \u0131s\u0131tmada XPS mi EPS mi?<\/h3>\n

    \u0130kisi de kullan\u0131labilir; se\u00e7imi nem ve y\u00fck ko\u015fulu belirler. Toprakla temas eden ya da nem riski ta\u015f\u0131yan zemin kat d\u00f6\u015femelerinde d\u00fc\u015f\u00fck su emmesi ve y\u00fcksek basma dayan\u0131m\u0131 nedeniyle XPS \u00f6ne \u00e7\u0131kar; kuru ara katlarda EPS de yeterli olabilir.<\/p>\n

    Mega’n\u0131n XPS d\u00fcz levha<\/a> \u00fcr\u00fcn\u00fc, kullan\u0131m alanlar\u0131 aras\u0131nda d\u00f6\u015femeleri, parke alt\u0131n\u0131 ve d\u00f6\u015femeden \u0131s\u0131tma sistemlerini sayar. Beyaz EPS mantolama levhas\u0131<\/a> da kullan\u0131m alanlar\u0131 aras\u0131nda d\u00f6\u015femeleri listeler. A\u015fa\u011f\u0131daki de\u011ferler Mega teknik f\u00f6ylerine g\u00f6redir:<\/p>\n\n\n\n\n\n\n\n\n\n
    Levha (Mega tipi)<\/th>\nMalzeme<\/th>\n\u03bbD (W\/mK)<\/th>\nBasma dayan\u0131m\u0131, %10 deformasyonda<\/th>\nUzun s\u00fcreli su emmesi<\/th>\nKal\u0131nl\u0131k aral\u0131\u011f\u0131<\/th>\n<\/tr>\n<\/thead>\n
    MEGA XPS T1500<\/td>\nXPS<\/td>\n0,035<\/td>\n150 kPa<\/td>\n\u2264%0,7 (tam dald\u0131rma)<\/td>\n20\u201380 mm<\/td>\n<\/tr>\n
    MEGA XPS T3000<\/td>\nXPS<\/td>\n0,035<\/td>\n300 kPa<\/td>\n\u2264%0,7 (tam dald\u0131rma)<\/td>\n20\u2013120 mm<\/td>\n<\/tr>\n
    MEGA EPS 100W<\/td>\nWhite EPS<\/td>\n0,036<\/td>\n100 kPa<\/td>\n\u2264%3 (tam dald\u0131rma)<\/td>\n10\u2013100 mm<\/td>\n<\/tr>\n
    MEGA EPS 120W<\/td>\nWhite EPS<\/td>\n0,034<\/td>\n120 kPa<\/td>\n\u2264%2 (tam dald\u0131rma)<\/td>\n10\u2013100 mm<\/td>\n<\/tr>\n
    MEGA SW FF100\/110\/120 (y\u00fczer d\u00f6\u015feme levhas\u0131)<\/td>\nStone Wool<\/td>\n\u22640,036<\/td>\n25 kPa<\/td>\n\u22643 kg\/m\u00b2 (k\u0131smi dald\u0131rma)<\/td>\n30 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Kaynak: Mega teknik f\u00f6yleri. Genel farklar i\u00e7in XPS mi EPS mi<\/a> kar\u015f\u0131la\u015ft\u0131rmam\u0131za bakabilirsiniz.<\/p>\n

    Mega Insulation Solutions (Mega Yal\u0131t\u0131m), genel m\u00fcd\u00fcrl\u00fc\u011f\u00fc \u0130stanbul Kavac\u0131k’ta, fabrikas\u0131 Elaz\u0131\u011f’da bulunan T\u00fcrk yal\u0131t\u0131m malzemeleri \u00fcreticisidir. Yerden \u0131s\u0131tmal\u0131 d\u00f6\u015femede kullan\u0131lan XPS ve EPS levhalar\u0131n yan\u0131 s\u0131ra ta\u015fy\u00fcn\u00fc y\u00fczer d\u00f6\u015feme levhas\u0131n\u0131 ve MegaTech seramik yap\u0131\u015ft\u0131r\u0131c\u0131lar\u0131n\u0131 Mega markas\u0131yla sunar.<\/p>\n

    Ara katta ses yal\u0131t\u0131m\u0131yla birlikte nas\u0131l kurulur?<\/h2>\n

    Ara katta yerden \u0131s\u0131tma, darbe sesini azaltan y\u00fczer d\u00f6\u015feme mant\u0131\u011f\u0131yla birle\u015ftirilebilir: ses yal\u0131t\u0131m levhas\u0131 \u0131s\u0131tma katman\u0131n\u0131n alt\u0131na serilir ve \u015fap, kenar band\u0131yla duvarlardan ayr\u0131larak d\u00f6k\u00fcl\u00fcr.<\/p>\n

    Mega’n\u0131n ta\u015fy\u00fcn\u00fc y\u00fczer d\u00f6\u015feme levhas\u0131<\/a>, \u00fcr\u00fcn sayfas\u0131na g\u00f6re iki kat beton aras\u0131 \u015fap alt\u0131 d\u00f6\u015femelerde \u0131s\u0131, ses ve titre\u015fim yal\u0131t\u0131m\u0131 i\u00e7in kullan\u0131l\u0131r; teknik f\u00f6y\u00fcnde 30 mm kal\u0131nl\u0131k, \u03bbD \u22640,036 W\/mK ve 25 kPa basma dayan\u0131m\u0131 verilir. Is\u0131tma sistemi k\u0131lavuzlar\u0131 \u015fap alt\u0131ndaki yal\u0131t\u0131m\u0131n s\u0131k\u0131\u015fmas\u0131n\u0131 konut y\u00fcklerinde en fazla 5 mm ile s\u0131n\u0131rlad\u0131\u011f\u0131ndan, iki levhan\u0131n y\u00fck alt\u0131ndaki davran\u0131\u015f\u0131 projede kontrol edilir. Sistemin b\u00fct\u00fcn\u00fcn\u00fc y\u00fczer d\u00f6\u015feme nedir<\/a> yaz\u0131m\u0131zda anlatt\u0131k.<\/p>\n

    \"Ara
    Ara kat d\u00f6\u015femesindeki k\u0131rm\u0131z\u0131 \u00e7izgi, ta\u015fy\u00fcn\u00fc y\u00fczer d\u00f6\u015feme levhas\u0131n\u0131n \u015fap alt\u0131ndaki yerini g\u00f6sterir.<\/figcaption><\/figure>\n

    Yerden \u0131s\u0131tmada en s\u0131k yap\u0131lan uygulama hatalar\u0131 nelerdir?<\/h2>\n

    Ka\u00e7\u0131n\u0131lmas\u0131 gereken hatalar d\u00f6rt noktada toplan\u0131r: kenar band\u0131, boru yerle\u015fimi, \u015fap ve ilk \u0131s\u0131tma. Maddeler EN 1264’e dayanan bir sistem el kitab\u0131ndan derlendi.<\/p>\n