Nsalu ya uchi imachititsa khungu ndi mtundu watsopano wa zomangira zobiriwira zoteteza chilengedwe.Maonekedwe a zisa za uchi wa Groupeve amaphimba nsalu ndi zophweka ndipo kalembedwe kake ndi kolemera, kulola ogwiritsa ntchito kusankha momasuka malinga ndi zosowa za mlengalenga ndi mlengalenga, kupanga malo olemera a malo a nyumba.Mapangidwe a uchi amatha kusunga mpweya mu dzenje, kutulutsa kutentha kwa m'nyumba, kukwaniritsa zotsatira za kutentha kwa kutentha ndi kupulumutsa mphamvu, akhoza kusefa cheza cha ultraviolet padzuwa, kuteteza bwino mipando yamtengo wapatali ndi makapeti, ndi zina zotero.
Timapereka zitsanzo zaulere zomwe zilipo kuti muyang'ane khalidwe ndikusankha mtundu mwachindunji musanayitanitse.Kuonjezera apo, nsalu zathu zimakhala zamitundu yambiri ndipo zimatsatira mafashoni apadziko lonse.