ROOFTOP HATCH COVER PLATE: Made of aluminum frame and 2 cm/ 0.8 in thick tempered glass, this roof skylight cover is strong enough, ensuring long-lasting use even in challenging environments. for roof hatches, cellar cover basement exit lid, or any other basement skylight installation CLEAR TEMPERED GLASS ROOF HATCH: Made of aluminum frame and Hollow tempered glass plate.The Skylight Roof Window is designed to open easily, improving airflow and ventilation for areas like attics or rooftops. The design helps boost air circulation, making it an solution for homes requiring enhanced ventilation ROOF SKYLIGHT KIT: The seamless card slots have been designed to connect the panels through embedded grooves, ensuring that both sides of the connected panel are in a straight line and can be perfectly installed the window track, achieving a tightly sealing effect. If you want to make it more waterproof, fill the gap with glue. This product ensures hassle-free setup and long-lasting performance HYDRAULIC ROD: Attic hatch cover uses a pneumatic hydraulic rod, the roof hatch has 2 support rods, can be closed slowly to the lid, which reduces noises, and prevents the lid from pinching fingers. It can easily and silently open and close the manhole cover, the maximum opening angle is 80° WIDELY USAGE: Skylights are suitable for many different environments. The roof access hatch can be used not only as a loft skylight cover, but also as an escape hatch cover, basement exit cover, emergency access cover, manhole cover, cellar cover and manhole cover, it can also be used for home improvement, industrial, commercial, school, etc This roof hatch lid can provide security and storm protection for your attic exit or roof window. Specification: Material: Aluminum Frame + Hollow Tempered Glass Large Opening: 80° Simple Installation: 1. If you want to improve the sealing, you can fill the gaps with glue TIPS: ROOF ACCESS DOORS CAN ONLY BE OPENED AND CLOSED FROM THE INSIDE, NOT FROM THE OUTSIDE Package Contents: Roof Hatch x 1