Sound Part Two: This second part of the acoustical technical notes will allow us to expand your knowledge about sound. Part two discusses levels, decibels, and intensity of sound. Every day, we experience sounds in our environment, such as the sounds from television and radio, household appliances, and traffic. Normally these sounds are at safe levels that don’t damage our hearing, but sounds can be harmful when they are too loud. Decibels: The effects of [...]

Sound Part One:  Acoustics and noise control play an important role in modern buildings. SAS is releasing the first part of five series on basic acoustic technical information. The series will consist of basic knowledge pertaining to sound. The information provided will serve as a basis for the determination, selection, and specification of products and systems, more suitable for noise and vibration control. What is Sound? A sound is a mechanical wave that results from [...]

There are two difficult questions that many individuals seem to need the answer to regarding spec sheet date codes. How do you know if you have the latest version of your supplier's product? How do you know if the spec sheet you are submitting is correct? Many do not know that spec sheets do not expire and who really knows when a manufacturer will update or change a product's specifications. Each manufacturer has their own [...]