... hung window single or double glass water proof, space saving Aluminum top hung windowFeature:water proof,space saving, open inward or outward.can install the ... case(plywood) or as per you request.Materials:6063 T5 aluminum alloySurface treatment: Powder coating, Electrophoresis, Anodize and PVDF.Glass: Single ... etc(Europe standard channel)Sealant: EPDM, PVC, SILICONE ETC. top hung window