Sound reduction materials are important to many types of construction. Today we will discuss sound reduction membranes which reduce the amount of impact sound that you hear from one floor to the next, the various types of testing that can be done to determine sound resistance, and products that meet this criteria. To complete this course and receive a certificate, you will need to complete the online module which will take a minimum of 10 minutes and then you will be required to take a 10 question quiz about what you just learned.