Galvanized Roof Hatch, Skylight Roof Caps Window with Gas Shock Strut, Loft Ventilation Roof Access Hatch Cover Plate, Roof Steel Security Door for Warehouse Attic Cellar (80cm/31.4in)

Gas Struts: 1. Upturned pneumatic support. 2. Gently cover the lid, ideal for soft slow closing the lid to prevent slamming so that it does not hurt the fingers. 3. Support to open the lid, the maximum angle is 90 degrees Specification: Material: Galvanized steel panle + aluminum frame Color: Dark Grey TIPS: ROOF ACCESS DOORS CAN ONLY BE OPENED AND CLOSED FROM THE INSIDE, NOT FROM THE OUTSIDE Package Contents: 1 x Roof Hatch Cover 4 x Bolts Measuring Tip: Outside of Wellhead Edge Size ≥ Outer frame of Base Size Inside Frame of Base Size ≥ Inside of Wellhead Edge Size Outer frame of Base Size=Inside Frame of Base Size+5cm/1.96in Simple Installation: 1. If you want to improve the sealing, you can fill the gaps with glue 2. Bolt this outlet cover to the ground This galvanized steel access hatch provides convenient roof access, provide security and storm protection for multiple environments including attic exit or roof window, and more

• DURABLE STRUCTURE: Our roof skylight cover is thick galvanized steel panle and aluminum framewith. We have added a 7.5cm(2.9'')wide reinforcement in the center of the cover to make the cover more load-bearing and sturdy. Suitable for long-term indoor or outdoor use, which can withstand harsh weather conditions and extensive use
• SEALING RUBBER GASKET: The sealing rubber gasket on the contact part of the upturned lid and the bottom frame contributes to a quiet opening and closing process by minimizing friction-induced noise, ensuring a noiseless operation environment. At the same time, it can also effectively prevent rain, dust, debris, etc. from penetrating through the gaps
• EASY TO INSTALL: The manhole frame is equipped with four fixing holes and four expansion bolts, which are suitable for concrete structures. If it is used in timber structures, you can purchase self-tapping screws for installation. If you want to make it more watertight, you can fill the gaps with glue
• SECURITY FEATURES: The 90-degree rotating handle can easily close and open the lid, easy to use.Lock easily locks the interior. CAN ONLY BE OPENED AND CLOSED FROM THE INSIDE, NOT FROM THE OUTSIDE. Roof hatch has 2 gas poles that can serve as a buffer, shock absorber and can support the lid up, Support to open the lid, the maximum angle is 90 degrees
• WIDE APPLICATION: Not only can be used as attic skylights, escape hatches, basement exits, emergency access points, wellheads, cellars, and manholes, it can also be used for home improvement, industrial, commercial, school, etc. Our window well cover is easy to install, fast and safe