Zakuthupi: Aloyi ya aluminiyamu yamphamvu kwambiri, pulasitiki yotsutsana ndi UV
Kugwiritsa ntchito kwambiri mizera yoteteza mphamvu yamagetsi otsika, zomwe zimapangitsa kuti nthambi ilumikizane ndi kondakitala yayikulu. Kulumikizana kwa waya woteteza mphamvu yamagetsi otsika komanso kulumikizana kwa nthambi ya chingwe pamakina ogawa nyumba. Zipangizo zamkati mwa thupi ndi aluminiyamu yamphamvu kwambiri, ndipo chivundikiro cha insulation chimagwiritsidwa ntchito ndi polyvinylI chloride (PVC). Zolumikizira zokhala ndi mano olumikizana opangidwa mwapadera, ndizoyenera kulumikizana ndi aluminiyamu. Ikani kondakitala yayikulu ndi kondakitala ya nthambi molingana ndi mipata ya mano a clamp, mangani mabolts, pindani insulation ya kondakitala ziwiri kuti makondakitala alumikizane. Chivundikiro cha insulation chimagwira ntchito ngati chosalowa madzi komanso chotseka bwino.
Pa mphamvu yosweka ya kondakitala, cholumikizira sichidzasokonekera kapena kusweka. Pa nthawi yamagetsi ndi yafupikitsa, kutentha kokwera kwa cholumikizira kuyenera kukhala kocheperapo kuposa kondakitala wolumikizira.