Moisture- pov thawj: Cov ntaub ntawv siv hauv hluav taws xob sheathing feem ntau yog cov dej noo- pov thawj, tiv thaiv cov xov hlau los ntawm ya raws thiab txo lawv cov kev laus.
Plua plav- pov thawj: Sheathing zoo tiv thaiv plua plav, av, thiab lwm yam khib nyiab los ntawm kev sib kis ntawm cov xov hlau, ua kom huv si thiab ua rau kev laus qeeb.
Kev Tiv Thaiv UV: Cov ntaub ntawv siv hauv hluav taws xob sheathing zoo tiv thaiv UV kev puas tsuaj, txuas rau cov hlau txoj sia.
Mechanical Protection: Sheathing tiv thaiv cov conductors sab hauv ntawm cov hlau los ntawm kev puas tsuaj, ua kom muaj kev nyab xeeb.
Aesthetics: Sheathing txhim kho cov tsos ntawm cov hlau, ua kom nws zoo dua thiab zoo nkauj dua, thaum tseem tiv thaiv kev puas tsuaj.
