20' Wide Greenhouse - Single Poly



Choose your length, arch spacing, whether or not you want roll-up sides and number of doors. 

Material description:

The main stucture is made from the same materials that we use on our commercial-grade greenhouses.

Arches are made from 1-1/2" square, 16 gauge galvanized structural steel tubing. 

All bracing is made from 1-1/4" round, 16 gauge galvanized structural steel tubing.

Comes complete with the following:

  • Single poly (roof + end walls), 6 mil clear poly
  • 4' x 7' Sliding Polycarbonate Door 
  • 2 roll-up sides for maximum ventilation (includes all parts & materials needed for roll-up sides) 
  • Arches are placed 4' apart or 5' apart
    • We reccommend 5' arch spacings for any greenhouse being built within the Fraser Valley. Anywhere outside of the Fraser Valley, we reccommend 4' spacing
  • Ground Posts
  • Additional options:
    • End walls can be replaced with clear, soft white or white/black/white polycarbonate panels

We can customize this structure to any length, with any accessories. Contact the office for pricing! 


*If shipping, a pallet charge will be added.