Cleaning fibrous glass insulated air duct systems: recommended practice. Recommendations for opening and closing insulated ducts before and after cleaning.
![](https://www.aivc.org/sites/default/files/default_images/default_image_5.png)
Year:
1993
Bibliographic info:
USA, North American Insulation Manufacturers Association (NAIMA), 1993, 40pp, 42 figs.