Niehaus is an authorized installer of K-13 Spray on Acoustical and Thermal Insulation. K-13 is the spray-applied insulation tailored to your specific project requirements for insulation, noise reduction, color durability, condensation control, texture, and aesthetics. It is applied to virtually any properly prepared surface configuration of wood, tell, concrete, glass and other common construction surfaces. K-13 can be sprayed up to five inches thick overhead in one application without mechanical support. Additionally, K-13 serves as the exposed finish requiring no additional materials.