Roof Window Skylight Basement Daylighting Door Multi-Angle Roof Viewing, Rooftop Attic Hatch Lid Well Covers, Roof Hatch with Double-Layer Tempered Glass Customizable(21"x27"/53.3x68.6cm)

The Skylight House Roof Window can provide security and storm protection for your attic exit or roof window.Roof Window Basement Daylighting Door, Roof Skylight, Egress Roof Window, Skylight Roof Skylight Roof Maintenance Hatch Roof, for Attic/Sun RoomSpecification:- Material: aluminum alloy, Tempered Glass- Size: CustomizableBottom Frame Inner Diameter Size: 20 inch - 40 inch / 50 cm - 100 cmOuter Frame Size of Lid = Bottom Frame Inner Diameter Size + 11 cm / 4.3 inchMeasuring Tip:1. Bottom Inner Frame Size ≥ Wellhead Opening Size2. Wellhead Edge Size ≥ 8 cm ( 3.14 inch )Note: It cannot be stepped on or loaded with objectsFeatures:- Rubber sealing strip / gasket to prevent rainwater from penetrating through gaps；- Pull handle design for easy opening and closing；- Hasp latch design for added privacy，only be opened and closed from the inside, not from the outside；- Gas shocks / props springs open and close the lid easily and noiselessly and keep it open at an angle of 90° without blowing over in light winds；- With pre-drilled holes for bolts；- Reinforced crossbar design on top of the lid for extra sturdiness；- Suitable for home improvement, industrial, commercial, school, etc.Simple Installation:1. If you want to improve the sealing, you can fill the gaps with glue2. Bolt this outlet cover to the groundPackage Contents:1 x Roof Hatch Cover4 x Bolts

• Durable and Secure Roof Hatch: Roof Window aluminum alloy frame plus double-layer tempered glass, excellent lighting, sunlight penetrates freely, making the room bright and warm, dispelling darkness
• Ventilation expert: Attic Skylight Cover has a unique ventilation design, which accelerates air flow, discharges turbid air, introduces fresh natural wind, and keeps the room comfortable at all times
• Refreshing ventilation and renewal: Rooftop Hatch Lid has a large opening design, which is convenient for personnel to carry tools in and out, and roof maintenance is easy to handle, saving time and effort
• Waterproof guard: Basement Daylighting Door has multiple waterproof processes, and the sealing strips are tightly fitted to effectively block rainwater and ensure that the room is dry and worry-free
• Wide range of application scenarios: Whether it is attic, basement or sun room, it can be perfectly adapted. Suitable for various scenarios such as Basement Window Well Covers, Roof Viewing Window and Aluminum Windows.