China WDMA Sound-proof Double Glass Automatic Aluinum Bi Folding / Folding Door 54x84 High grade German Brand(ROTO

High grade German Brand(ROTO

300mmX300mm up to 13

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ADD: Poids lourds avenue

China WDMA Sound-proof Double Glass Automatic Aluinum Bi Folding / Folding Door 54x84 High grade German Brand(ROTOFactory Addr:: Shandong, China Brand Name:: WDMA Product Type:: Aluminum Folding Doors Open Style:: Folding Position:: Exterior Surface Finishing:: Finished Type:: Accordion Doors Door Material:: Aluminum Alloy Uw Range:: 3. 4 6. 6 SHGC Range:: 0. 21 0. 66 Airtight Range:: 6. 6 Maximum Water Rating:: up to 450Pa Maximum Acoustic Rating:: Rw31 Maximum Wind Rating:: up to 1500Pa ULS Surface Treatment:: Powder Coated; PVDF Glass Standard:: CE AS2208 IGCC