Fully Customizable Size for Perfect Fit: Our home roof skylight supports flexible size customization to match various roof opening dimensions precisely. It fits seamlessly for new skylight installations and old skylight replacement projects, compatible with flat roofs, sloped roofs and most residential roof types. All-Weather Performance: Crafted with premium sturdy aluminum alloy frame and double-layer tempered glass, this flat roof skylight features excellent structural stability, wear resistance and long-lasting durability. The upgraded double glass structure provides superior heat insulation, sound insulation and weatherproof performance. It is an ideal upgrade for residential flat roof windows and roof egress skylights. Smooth Manual Opening: Equipped with high-quality gas struts, this venting skylight enables effortless, smooth manual lifting and closing with no jamming. Suitable for both large flat roof vent skylights and sloped roof vent skylights to optimize indoor air circulation at any time. Hassle-Free DIY Installation: Designed for user-friendly DIY assembly, this residential skylight features a simple embedded installation structure. Just place the skylight into the pre-cut roof opening and fix it with special adhesive, no complicated tools or professional skills required. It works perfectly for flat roof access skylights, roof egress windows and various household roof window renovations, helping you finish the upgrade efficiently. Maximize Daylight: This multi-functional roof skylight greatly boosts indoor natural light penetration, eliminating dim and dark room corners. While brightening your living space, it optimizes indoor ventilation to reduce stuffiness, creating a brighter, fresher and healthier living atmosphere for bedrooms, attics, living rooms and other spaces., Manufacturer: FANJIAEUISD