Permafloors was started in 1995. The owner of the business, Steve Hasterlik, wanted to have radiant floor heat in his new home. Upon researching subcontractors for the gypsum concrete, he discovered no one in Montana provided that service. The gypsum concrete business became so successful that Steve discontinued providing drywall and painting services in 2000.
The non-shrinking nature of LEVELROCK floor underlayments locks hydronic tubes and electric cables in place, preventing noise and tube chafing. LEVELROCK can accept virtually all types of floor coverings including ceramic tile, carpeting and wood. LEVELROCK can be applied at a thickness of 3/4-in. to 3-in. Provides compressive strengths of 2500-8000 psi.