What Is Skylight Shaft?

Skylight-shaft walls extend from the ceiling drywall or the top of the ceiling joists to the skylight rough opening. In most cases, the skylight rough opening will be framed with double 2x10s or double 2x12s. The rough opening should be insulated by installing rigid foam on the attic side of the framing.

What is the purpose of a skylight?

Skylights perform a few key functions. First, they aid in warming and cooling a home. In the summer they allow hot air to escape (provided they can be opened) and insulate in the winter time. They can also provide natural light to a home, reducing energy costs.

Do skylights need insulation?

Skylight shaft walls should be insulated to the same R-value as other exterior walls if the attic they pass through is not insulated. ... If the skylight shafts are installed in a vented, uninsulated attic, then the sides of the skylight shaft should be insulated.

Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.