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.
Cold-formed steel framing for a roof-ceiling system also is permitted by the IRC but will not be discussed; rather, the reader is referred to the AISI Standard for Cold-Formed Steel Framing â Prescriptive Method for One-and Two-Family Dwellings (2001) for guidance.