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How to Seal an HVAC Duct with Mastic - Duct Sealant
3.8KLikes
629,663Views
2012Jan 24
Air sealing your ducts is cheap and easy...and it save's a lot of money. Using a duct sealant called mastic is the professionals choice. Learn how to seal your ducts with mastic in this video.

Follow along using the transcript.

Corey Binford

24.1K subscribers