My own 2 cents worth on greenhouses is to build them with used patio doors cheap got mine for 5 at restore and to be careful of snow loads and sliding snow.
Building a greenhouse with patio doors.
To him anything made of a substance other than.
For a backyard greenhouse project finding a door that fits your own design may prove difficult.
A greenhouse can be built from recycled materials including sliding glass doors removed from other buildings.
Our used patio doors are about 4 feet wide and 6 feet tall the perfect size for three along the south face and one on the west.
I ve got about 8 3 x8 patio doors at some precarious horizontal angles on the south west side of my greenhouse addition to my passive solar home.
Sliding glass doors cover such large areas that it can be very handy to construct the greenhouse using these materials.
It s easy to cover clear glass with tinting or frosting if the greenhouse will hold too much sun.
Also non frosted shower doors make great entry doors.