Tools that may be required for installing the product: Screws Drill Scraper Sealant Caulk Gun Skylight Color: Brown Outer Skylight Flange: 26" x 18" Inner Dimensions: 14" x 22" Skylight Height: 4" Features: Anti-UV Waterproof Good Quality Install? 1.Apply a layer of skylight sealant to the required installation area. 2.Attach the skylight with the sealant. 3.Use screws to secure the skylight. 4.Apply the skylight sealant along the border of the skylight to secure it firm.