GENERAL INFORMATION (NEW SUBFLOORS OR RENOVATION) The subfloor must be absolutely hard, level, dry, smooth and structurally sound. The subfloor must be free of cracks and other irregularities and must not be contaminated with paint, plaster, oil, grease or any other substance which could affect adhesion. Cracks must be filled with an appropriate material. The following information provides you with basic installation procedures. For technical products or more detailed instructions please refer t