Abstract
Flexmaster USA has been manufacturing the highest quality flexible duct available for commercial applications for over 30 years and has a wide array of selections. There are three very distinct choices, type 6, type 8, and our Medical Grade Triple Lock Acoustical that have been tested by Energistics Laboratory, which is a research and test facility dedicated to the HVAC industry. The testing for Flexmaster USA’s type 6, SPUN BOND Nylon, type 8, chlorinated polyethylene (CPE) fabric, and model MGA TLM (aluminum corrugated flexible duct) has shown significant reduction in sound. In other words, they absorb unwanted sound, including the most important mid‐range frequencies. Our products listed here will significantly reduce unwanted noise in all of your rooms. These products allows sound—not air flow—to permeate through the liner and become absorbed inside the insulation. Each 6 in. test specimen was tested both straight and with a 90 deg bend for velocities of 0 FPM, 500 FPM, and 1000 FPM and compared to ha...
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
