Roof Access Hatch with Support Rods, Heavy Duty Commercial Roof Access Hatch Basement Windows for Lofts, Apartments, Factories(85x85cm/33.46x33.46in)

Brand：HSOQNThis heavy-duty aluminum alloy roof cover combines high strength, weather sealing, and internal safety locks to provide you with a reliable roof access solution to protect your family's access and safety at all timesProduct name: Aluminum alloy roof access coverMaterial: galvanized steel plate + aluminum frameColor: 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 / 4.3inchThings to note:1. Please measure the opening accurately before installation and leave a gap of 1 to 2 cm around for installation2. In case of extremely cold weather, please check whether the sealing strip is frozen. Do not force it to open before thawing to avoid damaging the sealing structure

• Versatile Access: This roof hatch provides convenient roof access and is suitable for attic exits and roof windows. Durable aluminum alloy frame has strong load-bearing capacity and can withstand harsh weather to ensure safety protection
• Security Features: 90-degree swivel handle opens and closes lid easily, and lockable interior prevents unauthorized entry. They are all equipped with built-in rubber seals to prevent water from entering and ensure they remain dry on rainy days
• Sturdy And Durable: The flat roof access door consists of 1.2mm/0.05in thick aluminum alloy steel panels. There is an 8 cm (3.1 in) wide reinforced design in the center of the lid, with a load capacity of 30 kg/66 lbs. Sturdy structure, no fear of outdoor wind and sun
• It is suitable for various scenarios such as attic skylights, escape hatches, and basement exits. It can also be used as escape hatch covers, emergency exit covers, manhole covers, cellar covers, and manhole covers to ensure convenient access
• Convenient installation: Pre-set precise holes with expansion screws, just place the patio cover in the appropriate position, drive in the expansion screws to secure it firmly, and sealant can also be used to fill the gaps