How do you get the Greenhouse Door in Outbound?

The Greenhouse Door requires Glass Building Style research. It costs 1x Glass, 2x Fibre 3 to build.

Building

Greenhouse Door

Greenhouse Door is a building piece in Outbound. The opening to many new roads. Build from 1× Glass, 2× Fibre 3.

Weight: 0.10000000149011612

Last updated Jun 22, 2026 (Build 902)