* All skylights are made of high performance thermoformed polycarbonate to be long lasting and easy to clean.
* When choosing a skylight, measure your rough hole opening and overall exterior size. There is a size to replace most manufactures original equipment.
* All skylights include care and installation instructions on the box
* All exterior skylights include a tube of approved urethane sealant that must be used when installing.

Includes - 1 Skylight, 1 inner, 1 sealant.

Flange size inches P 17.5X25.5

Roof Thickness of 1.5 inches or greater.