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.
Container plants are particularly vulnerable to the cold because their roots aren't in the ground. If possible, move plants inside a garage, shed or basement. If you're leaving them outside, push them together and cover them. Wrap the containers in plastic or burlap to help them stay warmer.