Just say “no” to hollow walls Do you live in a home with hollow walls? A lot of homes built before the 1990s have no insulation in them at all. Most newer construction does include basic insulation. Contractors often use
All walls are not alike – a look at STC
What is STC? STC is the acronym for Sound Transmission Class. It measures how a material attenuates airborne noise. The STC is roughly equivalent to the decibels that get reduced by a barrier like a wall or a window. So,