Duct Sealant Menards

Learn more about each duct sealant type and how they compare. Save big on caulk & sealants at menards®! This material helps seal and protects gaps, holes, and conduit. However, it is important to do a thorough job to ensure that all the leaks are sealed. Webyes, you can seal leaky air ducts yourself using duct sealing tape or mastic duct sealant.

We offer caulk and silicone products. Acoustiseal is great for wall/floor junctions to seal cracks and voids, heating and a/c ducts, cold air returns, exposed joints, and electrical and utility outlet boxes. It is fortified with sand for added traction and durability. When dry, it will remain soft and flexible, will not crack, and is paintable.