Large Galvanized Cellar Emergency Exit Lid 90° Opening, Heavy Duty Commercial Roof Access Hatch Suitable for Roof Hatches, Attics, Cellars, Basements(90x90cm/35.43x35.43in)

Brand：HSOQNThis heavy-duty roof access hatch is specially designed for frequent access, with a load capacity of up to 60 pounds, all-weather rainproof, and internal safety locking function. It is an ideal access solution for attics, basements, emergency exits, etcProduct 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 accurately measure the size of the opening before installation to ensure that there is an appropriate gap between the product and the edge of the opening. It is recommended to leave an installation margin of 1-2 cm on all sides2. If you need to improve the sealing, you can use sealant to fill the gap3. This product can only be opened or closed from the inside, not from the outside

• Weatherproof Roof Skylight Cover: Made of aluminum alloy, durable, impact-resistant, strong load-bearing capacity, can withstand 30 kg/66 lbs, resistant to severe weather such as hail, heavy rain and strong winds
• Sealing protection: built-in high elastic rubber sealing strip, effectively prevents rainwater from penetrating. Equipped with precision handle and internal lock, it is easy to operate, can isolate external risks and ensure safe use
• 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
• Wide range of uses: It is suitable for various scenarios such as attics, basements, escape passages, etc. It can be used as inspection openings, fire escapes, basement exit covers or cellar covers according to the installation location to meet different space requirements
• Easy to install: The window cover has preset mounting holes and is equipped with fastening bolts for quick installation. If you want to make it more waterproof, you can fill the gaps with sealant to form a complete protection system