https://stream.echo6.co/videos/watch/b94efe67-0a5d-4dac-aab9-df00212fb260 In this video I'm showing how my team uses Mastic to reduce duct loss in the duct work of a 10 year old house. We replaced the three furnaces and air conditioners on this house and had to do some trunk line work as well. -Matt Risinger Wed, 10 Jun 2026 07:02:30 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/b94efe67-0a5d-4dac-aab9-df00212fb260 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.