*****WE ARE CURRENTLY RUNNING APPROXIMATELY 3 TO 4 WEEKS OUT FOR PROCESSING AND PACKING **PLEASE REMEMBER THAT SHIPPING TIMES YOU ARE QUOTED AT CHECK OUT ARE TRANSIT TIMES ONLY (how long it should take to get to you once the carrier has picked up your package), THIS DOES NOT INCLUDE PROCESSING AND PACKAGING TIME**. As always we thank you for your business and your patience. UPDATED 1/15/26 Starting January 19th all orders that are placed and you ask for a refund you will be charged a 3% fee. This is to help cost since we did start working on the order. Please note that at time of check out you read all information before completing orders. Dismiss

AirSeal 33 Duct Mastic Sealer with Fiber 10.5 oz.Tube

Name: AirSeal 33 Duct Mastic Sealer with Fiber 10.5 oz.Tube
Brand: American Supply & Air Products
SKU: 606156
Price: 4.31 USD
Availability: InStock

★★★★★

Be first to leave a review

SKU 606156

$4.31 $4.31

Product Description

AirSeal 33 is a UL 181 A-M and B-M Listed Fiber Reinforced Water Based Duct Sealant in a 10.5 oz.tube. Polymer Adhesive AirSeal 33 Duct Mastic in easy to use 10.5 oz. tube is a fast-drying fibered reinforced duct sealant that goes on smoothly and dries quickly. This mastic has exceptional adhesion formulated to pressure seal all types of HVAC ducts ans systems, including sheet metal, fiberglass duct board and flexible ducts. It also has excellent mold and mildew resistance. This mastic can be used for both indoor and outdoor applications and cures to a tough, flexible film.