ACRYLIC vs. Gel-Coat Fiberglass. Acrylic. One piece construction with dome. This adds strength to the unit and eliminates post installation. damage, no seams to caulk and gather mold and mildew, dome eliminates ceiling maintenance. Non porous surface, Easy to clean, no pores to catch soap, dirt, body oils.
In cold frame gardening, a cold frame is a simple structure that usually works like a mini-greenhouse. It has a wooden frame with a transparent roof made from glass and is always constructed low to the ground to provide proper insulation.
This is to enable enough of the fruit to ripen-a greenhouse, or in cold frames or, if growing dwarf varieties-under cloches. But if you are fortunate enough to live in a mild area that is sheltered from cold winds then you can expect a satisfactory crop.