Impact Sound Control Ceiling Isolation Moisture Drainage & Ventilation KEENE BUILDING PRODUCTSâ„¢ is the manufacturer, distributor & marketer of 3-dimensional products for moisture & noise control. In six short years Keene has succeeded in producing & marketing first class products. These products work in construction projects such as multi-family apartments & condominiums to stop impact & airborne noise, & in wall, masonry, foundation & plaza applications to eliminate moisture problems. For Impact Sound Control products please see our QUIET QURLÂ® product line. For Ceiling Isolation please see Acoustical Assuranceâ„¢ products such as RC Assuranceâ„¢ & Space Assuranceâ„¢. For Moisture Drainage & Ventilation please see our DRIWALLâ„¢ products such as Weep Vents, mortar collection devices & full wall Rainscreen applications.