Marcus Hiles offers 15,000 upmarket residences throughout Texas, and in each unit, cellulose sound insulation gives renters the feeling of having their personal hideaway from the outside world. Though the properties display Hiles’ vision of community-centric features, including shared recreation centers and championship golf courses, the developer understands the need for tenants’ private home life—without any sound interference from outside or next door. Full depth cellulose is exceptionally successful in its ability to hinder intrusive sound. While most insulation provides only some noise reduction by inhibiting sound from passing through walls or between floors, dense packing cellulose weakens noise by limiting the passage of sound along cavities in each building’s structure. The Cellulose Insulation Manufacturers Association claims that cellulose insulation products have an NRC (Noise Reduction Coefficient) rating ranging upwards of .80 or higher, meaning 80% or more of the sound with which it comes into contact is absorbed. Its composition is roughly three times more dense than standard fiberglass and affords a vast improvement over all other common types of home insulation.