New House Building Concept for Moncolva Coahuila, Mexico. Steel frame with insulated construction panels on wall and room. Start to finish 2 weeks!!! We are pleased to present you with the newest, strongest and most energy efficient home utilizing a combination of Mexico and US technology. The new concept in housing in Mexico is totally insulated from the hot and cold and from room to room. This new concept home is constructed with a metal frame and construction panels made of high-density foam and wire mesh. The panels are attached to the metal frame, which is bolted to the slab. All of the concrete used in your new home has fiberglass reinforcement to give the ultimate strength and minimal cracking. The roof even has a special coating to give you many maintaince free years.