Roof Access Hatch Security Door, Metal Roof Access Hatch, Galvanized Powder Coated Steel Roof Hatch Deck Installation Roof Window, 90°Opening and Closing Angle(90 * 90cm/35.4 * 35.4in)

—— Product parameters:Product name: Roof Access Hatch/Roof Hatch Cover/Roof Security DoorMaterial: Aluminum alloy frame + galvanized cover plateShape: SquareOpening and closing angle: 90°- Cover frame outer diameter = bottom frame inner diameter + 11 cm/4.3 inches- Measurement tips: bottom frame inner diameter size ≥ wellhead opening size- Roof access door can only be opened and closed from the inside, not from the outside.—— Package Contents:1 x Roof Hatch Cover—— Inner diameter of the bottom frame, outer diameter of the lid. Inner diameter 500*500mm [lid size 610*610mm] galvanized lidInner diameter 550*550mm [lid size 660*660mm] galvanized lidInner diameter 600*600mm [lid size 710*710mm] galvanized lidInner diameter 650*650mm [lid size 760*760mm] galvanized lidInner diameter 700*700mm [lid size 810*810mm] galvanized lidInner diameter 750*750mm [lid size 860*860mm] galvanized lidInner diameter 800*800mm [lid size 910*910mm] galvanized lid[lid size Inner diameter 850*850mm 960*960mm] galvanized CoverInner diameter 900*900mm [lid size 1010*1010mm] galvanized CoverInner diameter 950*950mm [lid size 1060*1060mm] galvanized Cover

• //【High-quality Material】: This skylight is made of high-quality aluminum alloy frame and galvanized sheet, with strong load-bearing capacity, light weight, and is not afraid of wind and sun. Not easy to deform and has a long service life
• //【High Safety】: Except for its sturdy construction, the door of this product can only be opened from the inside and not from the outside. This feature provides an extra layer of security, preventing unauthorized access to the building's interior from the roof
• //【Sealing Rubber Gasket】: The sealing rubber gasket 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 entering the building
• //【Widely Used】: Not only can be used as inclined/ horizontal/ sun room roof skylights, but also as escape hatch cover, basement exit caps, emergency access lid, wellhead lid, cellar cover, manhole cover, offering a secure entrance to the roof
• //【Easy to Install】: The window well cover has pre-drilled holes for mounting and is supplied with bolts for quick installation. If you want to make it more watertight, you can fill the gaps with glue