#10 Mastic® - 1 gallon pail#10 Mastic® - 1 gallon pail
#10 Mastic® - 1 gallon pail
#10 Mastic® - 2 gallon pail
#10 Mastic® - 3.5 gallon pail
#10 Mastic® - Applied to Duct Fitting

  • Fiber Reinforced
  • UL Listed
  • Weather Resistant
  • Earns LEED Credits
  • Water Borne
  • Non-Flammable
  • Low Odor
  • Made in U.S.A.

#10 Mastic® Fibered Duct Sealant

#10 Mastic® Low to High Velocity Air Duct Sealant is a fiber reinforced, water-borne, tan, UL listed, flexible, sealant used to seal flexible air ducts, ductboard (rigid fiberglass air duct), sheet metal air ducts, and UL listed air ducts. Seals damaged, leaking air ducts and conditioned spaces from air infiltration. Color is tan and is easily applied by brush, trowel, palm, extrusion, or spray equipment.

RCD Technical Bulletin lists spray and extrusion equipment solutions.

Please note: To order quantities greater than available through RCD’s online store please contact us at 352.589.0099 or send an email to customercare@rcdcorp.com and we will be happy to fulfill your order.