... on .Thickness of the main frame and leaf ≥ 2.5mmSteel inside the profile, thickness of the steel ≥ 1.2mm, Finishing: ... s anti- mosquito protective series products)Doors can pen outside or inside according ot your requirements.Exposed screws are stainless steel ... drainage systems, rain water can completely cut off from the outside, water tightness meets the requirement of DIDN18055.7air tightnessThere ...