Access Roof Window Lid, Aluminum Roof Access Hatch with Internal Lock for Cellars, Attic Roofs, Manholes, Pipe Shafts(65x65cm/25.59x25.59in)

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. In case of extremely cold weather, please check whether the sealing strip is frozen and do not force it to open before thawing

• Weatherproof skylight cover: Made of thickened aluminum alloy, lightweight design and strong load-bearing capacity. Using multi-layer spray painting process, it is suitable for cold, hot, humid, vibration and other harsh weather conditions
• Sealing protection: Equipped with highly elastic rubber sealing strips, which effectively prevent rainwater from penetrating, while improving the sound and heat insulation effect and tightly fitting the window frame. Ensure safety and comfort
• Labor-saving opening and closing: Built-in 2 hydraulic buffers, the opening and closing process is smooth and smooth. It can be opened and closed with just a light exertion of force, effectively preventing the cover from closing suddenly. It is safe and worry-free to use. It can also be locked by internal rotation
• Easy to install: Each access roof window cover comes with pre-drilled mounting holes and expansion screws for direct installation. You can also use sealant to further fill in the gaps to further enhance the waterproofing properties
• 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