Air Tight Exterior Veranda Large Opening Big Aluminium Patio Bi Folding Stacking Doors

Warranty::5 Years||After-sale Service::Online Technical Support||Project Solution Capability::graphic design, 3D model design||Manufactory Place::Shandong, China||Brand Name::WDMA & ESWDA||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||Hardware::European brand;China top brand||Design::Customized