Skylight Is Designed For Flat Roof Installations

Extech's 4000G Unit Skylight is low-profile and capable of being installed on a flat roof.

Extech’s 4000G Unit Skylight is low-profile and capable of being installed on a flat roof.

EXTECH’s 4000G Unit Glass Skylight is capable of being installed on a flat roof. Its low-profile, silicone-sealed perimeter allows water to freely run off the unit. The curb design accommodates large skylights up to 32 square feet. Additional benefits include aluminum flange to protect glass edges, foam cushions to provide thermal isolation, strategically placed weep holes and weep slots aligning with weep holes. Silicone structural bead/isolator and silicone waterproofing bead ensure a leak-tight seal.