CSA NFRC AS2047 standard modern residential large aluminum double hinged patio doors on China WDMA bifold Style: single-hung window& double-hung window

Style:  single-hung window& double-hung window

only steel lined 1 / 4

folding patio aluminum commerical folding sliding glass door system cheap   belongs to a door of high quality

EPDM rubber sealing strip

CSA NFRC AS2047 standard modern residential large aluminum double hinged patio doors on China WDMA bifold Style: single-hung window& double-hung windowCSA NFRC AS2047 standard modern residential large aluminum double hinged patio doors Product Description Aluminum hinged door, has a hinge to fix the door frame, and the hinge of the swing door is installed beside the door, so that the door can be opened inward or outward. The material of the aluminum alloy is relatively durable in the door material, so it is popular. Aluminum swing door is also divided into a single door and a double door. A single