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.
1 Cold frames can also be constructed for free using recycled materials. 2  For more details, see How Much Does a Portable Greenhouse Cost. 3  An indoor greenhouse can cost $3-$60 for a windowsill or tabletop kit with a container and cover; more expensive models may include a heat pad under the container, or a grow light. Cold frames can also be constructed for free using recycled materials. 2  For more details, see How Much Does a Portable Greenhouse Cost. 3  An indoor greenhouse can cost $3-$60 for a windowsill or tabletop kit with a container and cover; more expensive models may include a heat pad under the container, or a grow light.