Ark Design Black 4 Panel Center Opening Outswing Double Tempered Glass Aluminum Folding Patio Door

【Pre-Assembled】Every door is pre-assembled and tested before shipping. Hinge holes are pre-drilled to facilitate a smooth and straightforward installation process【High Quality Thermally Broken Aluminum】【 Suitable wall 】The frame thickness is 3 inches, making it suitable for 2x4 or 2x6 walls. 【Black Powder Coated Finish】No color fading after years of usage 【3+1 Design】3 Folding Panel + 1 Swing Panel 【Included】Exterior Lock, Glass, Handle Set, Hardware, Instructions 【Rough Opening Size】Please refer to the specification picture for details. Door with frame is 0.6'' shorter in length and height to fit in the opening 【Extra Thin Frame】15% more glass than standard patio door 【Panel Replacement Service Available】Accidentally broke a panel? No need to replace the full set of doors as we offer Individual Panel Replacement at our cost price.