Roof Access Hatch with Support Rods, Heavy Duty Commercial Roof Access Hatch with Internal Lock for Lofts, Apartments, Factories(75x75cm/29.53x29.53in)

Brand：HSOQNThe aluminum alloy roof cover specially designed for safe and convenient passages uses hydraulic power-assisted opening and internal locking design to save worry and effort every time you enter and exit, providing reliable protection and ensuring your indoor safetyProduct name: Aluminum alloy roof access coverMaterial: aluminum alloyColor: dark grayAluminum alloy thickness: 1.2mm/0.047inFunction: protection/security/anti-theft/energy savingFeatures: Strong, high strength, weather-resistant, anti-fadingInnovation: Hydraulic support rod/internal locking/cover wider than chassis (waterproof)Size: Provide common inner diameter sizes and support customizationPackage contents: 1×roof access cover, 4×boltsMeasurement tips: The inner diameter of the chassis ≥ the wellhead opening sizeBottom frame and cover frame: cover outer frame size = bottom frame inner diameter size + 11cm / 4.33inchThings to note:1. Please accurately measure the size of the hole before installation, and ensure that a 1-2 cm installation margin is reserved for the product all around2. This product can only be opened or closed from the inside, not from the outside

• Sturdy and durable: Made of thickened aluminum alloy, high load-bearing and light weight. The surface is spray-painted at high temperature and has strong environmental adaptability. It is not afraid of harsh outdoor conditions such as severe cold, heat, humidity and vibration, and is durable and reliable
• Sealing and energy-saving: The roof access cover has built-in highly elastic sealing strips that fit closely to the joint to prevent rainwater from seeping through gaps, reduce indoor temperature loss, and achieve energy saving, consumption reduction, and all-weather protection
• Hydraulic buffer design: Equipped with 2 hydraulic buffer bars, it can automatically open to 90 degrees with a gentle push. It is smooth and effortless when closing, and the rotating handle is locked after closing to achieve a safe and worry-free opening and closing experience
• Convenient installation: Pre-set precise holes with expansion screws, just place the patio cover in the appropriate position, secure it with the expansion screws, and use sealant to fill the gaps
• Wide range of uses: Not only provides convenient roof access for various environments such as factories, warehouses, and businesses. Can also be used as attic skylight cover, emergency hatch cover, basement exit cover, basement cover, manhole cover