There was not much known about the performance of communicating doors before we completed our testing recently at NWAA Labs. Performance gains from increased distance between doors, air pressure issues, and the importance of mass in these assemblies were three major questions that we have answered with our testing.read more →
We could have tested our doors anywhere in the United States and we decided to go with NWAA Labs because of their precision testing with accurate results from 50 Hz up to 10,000 Hz. The performance of these doors would appear to be much higher if tested in smaller, less accurate labs. Review only independent third party tests performed in the last few years for accurate comparison.view testing →