#1 Rated HushMat® provides incredible sound reduction and thermal insulation benefits from technology proven for over a quarter of a century in the automotive, heavy truck, home appliance, recreation and marine industries. Reduce noise and heat. Get the best performance every time with HushMat. HushMat was introduced to automobile manufacturers in 1988, and was approved by General Motors and Chrysler for in vehicle production. HushMat is the only company that manufacturers its own sound deadening and specified for use by every automobile manufacturer in the United States, Canada and Mexico. HushMat makes cars, trucks, boats, RV's buses, appliances, HVAC equipment and home theater more Quiet and Comfortable. Today, HushMat is the fastest growing sound deadening and thermal insulation company worldwide. Our company is built on development of technology for the most demanding and complex industrial and consumer environments. Noise reduction and temperature control of durable goods are our core competence. HushMat Ultra materials are treat any vehicle on the road today, in the water and in your home. HushMat materials are proudly manufactured in the USA and have been for over 25 years.