Internet #100396972

Model # WBA10.5

Store SKU #678439

Store SO SKU #1000682922

0050206269541

10.5 oz. Water Based Duct Sealant Tube

  • Creates air-tight seals on duct seams and joints
  • Meets or exceeds most energy codes
  • Fiber reinforced, water based, low odor
$ 4 98

Frequently Bought Together

Frequently Bought Together

Product Overview

  • Creates air-tight seals on duct seams and joints
  • Meets or exceeds most energy codes
  • Fiber reinforced, water based, low odor
Master Flow Water Based Air Duct Sealant helps seal all types of air ducts to reduce the risk of conditioned air leakage. Sealing air duct plenums, takeoffs, elbows, and vent boots where they connect and sealing the seams, per product instructions, may help save energy. The sealant is fiber reinforced and easy to apply by brush, gloved hand, or putty knife to flex duct, duct board, and sheet metal air ducts. It dries to a tough, flexible, and weather resistant seal. It adheres to many surfaces like: drywall, foam and fiberglass insulation, galvanized steel, aluminum, masonry, and wood. This product is also available in 1/2 Gal. tub.
  • Fiber-reinforced
  • Weather resistant
  • Non-flammable
  • Low odor
  • Earns LEED credits
  • UL listed

Product Overview

  • Creates air-tight seals on duct seams and joints
  • Meets or exceeds most energy codes
  • Fiber reinforced, water based, low odor
Model #: WBA10.5
Sku #: 678439
Internet #: 100396972

Master Flow Water Based Air Duct Sealant helps seal all types of air ducts to reduce the risk of conditioned air leakage. Sealing air duct plenums, takeoffs, elbows, and vent boots where they connect and sealing the seams, per product instructions, may help save energy. The sealant is fiber reinforced and easy to apply by brush, gloved hand, or putty knife to flex duct, duct board, and sheet metal air ducts. It dries to a tough, flexible, and weather resistant seal. It adheres to many surfaces like: drywall, foam and fiberglass insulation, galvanized steel, aluminum, masonry, and wood. This product is also available in 1/2 Gal. tub.

  • Fiber-reinforced
  • Weather resistant
  • Non-flammable
  • Low odor
  • Earns LEED credits
  • UL listed

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Specifications

Dimensions

Product Depth (in.)
2
Product Height (in.)
11.5
Product Size (oz.)
10.5
Product Width (in.)
2

Details

Color
Tan
Full cure (hours)
24
Minimum Temperature (F)
38
Product Weight (lb.)
0.98lb
Returnable
180-Day

Warranty / Certifications

Manufacturer Warranty
Free from Manufacturer Defect at Time of Delivery.

Specifications

Dimensions

Product Depth (in.)
2
Product Height (in.)
11.5
Product Size (oz.)
10.5
Product Width (in.)
2

Details

Color
Tan
Full cure (hours)
24
Minimum Temperature (F)
38
Product Weight (lb.)
0.98lb
Returnable
180-Day

Warranty / Certifications

Manufacturer Warranty
Free from Manufacturer Defect at Time of Delivery.

Questions & Answers

If I use this to seal the plenum access, can I break the seal again to clean the plenum?

If I use this to seal the plenum access, can I break the seal again to clean the plenum?
Asked by: Maintainer
You would have to scrap the old Mastic off and re-mastic the plenum. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
Answered by: Master Flow
Date published: 2020-05-21

Can this be used on rigid galvanized clothes dryer exhaust venting? Will it hold up to the heat?

Can this be used on rigid galvanized clothes dryer exhaust venting? Will it hold up to the heat?
Asked by: Carcachute
This is not recommend for use on duct reaching over 180°f. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
Answered by: Master Flow
Date published: 2020-01-16

What is the cure time for this sealant? Is it safe to apply in winter when the heat is running? Need heat and to use it!

Asked by: Kappa
Minimum recommended set time is 20 hours. For additional information see attached instruction sheet on the Home Depot Page for this product. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
Answered by: Master Flow
Date published: 2019-04-14

Will this product stop humidifier condensate leaks from a plenum seam? If so, can it be applied ...

Will this product stop humidifier condensate leaks from a plenum seam? If so, can it be applied to an active leak?
Asked by: JoeDub
This creates air-tight seals on duct seams and joints, it will not stop water leaks. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
Answered by: Master Flow
Date published: 2020-06-12
  • y_2020, m_7, d_3, h_15CST
  • bvseo_bulk, prod_bvqa, vn_bulk_3.0.9
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_10
  • loc_, sid_100396972, prod, sort_[SortEntry(order=NUM_ANSWERS, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING), SortEntry(order=BEST_ANSWER_FEEDBACK_COUNT, direction=DESCENDING), SortEntry(order=POSITIVE_ANSWER_FEEDBACK_COUNT, direction=DESCENDING), SortEntry(order=NUM_ANSWERS, direction=DESCENDING)]
  • clientName_homedepot
  • bvseo_sdk, java_sdk, bvseo-3.1.1
  • CLOUD, getContent, 29ms
  • QUESTIONS, PRODUCT