A skylight well with splayed sides lets in lots of light to transform a plain ranch.
Synopsis: Mike Guertin explains how to install a skylight in a truss roof, and provides stylish alternatives to dress up the garden-variety window shaft. Installing the window above the trusses — and adhering to code in the process — involves many steps, and Guertin thoroughly explains each of these steps with detailed instructions, pictorials, and illustrations. This article covers every aspect of the installation, from laying out and cutting the opening, to insulating the window and treating the trusses.
Skylight wells, or shafts, usually are boring. The straight-sided garden variety shaft isn’t much larger than the roof window itself. Plus, the small opening limits the light it lets in. Whenever it’s feasible, I splay all four of the shaft walls and flood the whole room with natural light.
Building a skylight shaft is tricky in a truss roof. Building codes prohibit modifying the webs and chords of engineered trusses in…