A metal-framed, glass ceiling that provides insulation, and doubles as a floor for higher levels. Excellent for growing crops indoors.
— In-game Description

The Greenhouse Ceiling is a structure that can be used to enclose walls, while also acting as a foundation for a second story and providing the Greenhouse Effect up to a maximum of 300%.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.