AudioSeal® Duct and Pipe Lag



Estimated Shipping Lead Time: 2-5 business days

AudioSeal® Duct and Pipe Lag is a mass loaded vinyl sound barrier, with a scrim foil face, used block noise from noisy pipes, duct work and valves. This flexible barrier is easily cut and may be combined with fiberglass insulation to improve acoustic and thermal insulation.

The 1/8″ thick, 1 lb. per sq. foot sound barrier allows for easy application without losing valuable space. A reinforced aluminum foil scrim facing provides a protective jacket and readily accepts matching lag tape.

Use AudioSeal® Duct and Pipe Lag for a wide variety of applications to prevent, reduce sound and noise in construction assemblies.

Technical Information for Audioseal® Duct and Pipe Lag:

  • Size: 54″ (w) x 30′ (l) Roll
  • Thickness: 1/8″ (nominal)
  • Construction: 1 lb. / sq. ft. mass loaded vinyl noise barrier with a reinforced-foil facing on one side
  • Intended Use: To wrap the exterior of duct and/or piping to absorb and block sound
  • Fire Rating: Class 1 or A per ASTM E84
  • STC: 26
Sound Transmission Loss (Hz)
125 250 500 1000 2000 4000 STC
16 17 22 27 31 36 26

prop 65 warning icon WARNING: This product can expose you to chemicals including Antimony Oxide, Vinyl Chloride Monomer and 1 .2-Benzendikarboxylsyra which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to

For more information on our AudioSeal® Duct and Pipe Lag,
call us at 800.782.5742 or contact our sales department.