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I-Aluminiyam yePowder yePowder eLula yale mihla yoKugquma uMphezulu Umbala oFixiweyo woMbane oVulekileyo weSkylight
Inkcazo yeMveliso I-skylight ye-ventilation yophahla luphahla lweglasi olufakwe phezu kophahla.Inemisebenzi emininzi efana nokungena komoya, ukuhanjiswa kokukhanya, ukukhupha umsi kunye nokukhusela imvula.Ehlotyeni, abantu banokuyonwabela umoya opholileyo ngaphakathi.Ebusika obubandayo, bunokukhanya kubushushu belanga.Ngoko ke, le mveliso ithandwa kwaye ithandwa ngabathengi.Uvavanyo lweSatifikethi ngokuhambelana neNFRC / AAMA / WNMA / CSA101 / IS2 / A440-11 (NAFS 2011-North American fenestration stan...
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