STC ratings are a way to measure and compare how much sound is stopped / absorbed by any given product / material. STC ratings are used for windows, wall assemblies, doors and some constituent materials.
The STC rating is the average amount of noise stopped at 18 different frequencies, measured in decibels. STC ratings are a logarithmic scale similar to the earthquake Richter Scale, which means each escalating number is significantly higher in performance than the previous number. It is a non-linear scale.See Post
When structural engineers and architects collaborate during the design phase for buildings or structures, one of the most important factors requiring consideration is the velocity and imposed load of wind on the building and the constituent components (such as doors and windows). When calculating these loads, there are several factors that need to be considered. Some of these factors are not as intuitive as one might think.See Post
It is often times difficult to get a “500 mile high” view of trends in the automatic door community. It is a community of regional distribution channels and considerations. In 2004, AAADM (The American Association of Automatic Door Manufacturer’s – www.aaadm.com) conducted an influential study / survey which helped to fill in the blanks in […]See Post
Many of our clients get frazzled when our customer service reps bring up the dreaded question – “What is the handing of your door?” The “handing” of a door refers to the direction that the door swings. It’s important to understand the correct handing of an opening when ordering locks, exit devices, frames, doors or […]See Post