The finish coat is RED TOP Keenes Cement, lime and sand, for excellent hardness and workability, applied in a sand float finish. It provides the mass we wanted for effective soundproofing, it is easier to repair than gypsum board and it provides a quality appearance that lasts forever. Used with two parts of job-added sand, it provides 2,800 psi compressive strength while maintaining excellent coverage. Calif. The hospital is one of five being upgraded as part of a five-year renovation project. What we do here has to last a long time.
Special care is taken to keep maintenance requirements to a minimum.
But until recently, plaster systems have been avoided in high security areas. Walls in these locations are prone to being severely damaged and even knocked down making concrete the only suitable material. Now, however, today's new plaster systems are designed to withstand that kind of abuse. Galvanized steel as the core of the system is the key to its success. Space was limited by the old classroom walls.