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Internet #100396973

Model # WBA50

Store SKU #559722

Store SO SKU #1000683931

Master Flow Water Based Mastic Half Gallon Tub
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Master Flow

Water Based Mastic Half Gallon Tub

  • Creates air-tight seals on duct seams and joints
  • Meets or exceeds most energy codes
  • Fiber reinforced, water based, low odor
$ 12 82

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Frequently Bought Together

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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 10.5 oz caulk tubes.
  • 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 #: WBA50
Sku #: 559722
Internet #: 100396973

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 10.5 oz caulk tubes.

  • Fiber-Reinforced
  • Weather Resistant
  • Non-Flammable
  • Low Odor
  • Earns LEED Credits
  • UL Listed

Info & Guides

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Info & Guides

Specifications

Dimensions

Product Depth (in.)
6
Product Height (in.)
5.25
Product Size (oz.)
64.2
Product Width (in.)
6

Details

Color
Cream
Full cure (hours)
20
Minimum Temperature (F)
38
Product Weight (lb.)
5.7lb
Returnable
180-Day

Warranty / Certifications

Manufacturer Warranty
Free from Manufacturer Defect at Time of Delivery.

Specifications

Dimensions

Product Depth (in.)
6
Product Height (in.)
5.25
Product Size (oz.)
64.2
Product Width (in.)
6

Details

Color
Cream
Full cure (hours)
20
Minimum Temperature (F)
38
Product Weight (lb.)
5.7lb
Returnable
180-Day

Warranty / Certifications

Manufacturer Warranty
Free from Manufacturer Defect at Time of Delivery.

Questions & Answers

after it dries how can I remove any of it to improve the looks of a sloppy installation?

Asked by: niagara
I worked in the sheet metal union in Cleveland Ohio and installed a lot of duct work and used a product simmilar to this very often. If we used this in a visible area and one of the apprentices done a sloppy job we put 2" Aluminum Foil Tape over the section to make it look presentable.
Answered by: ChuckTaylor
Date published: 2019-10-09

Is this rubbery and flexible? I’m thinking of a rather odd application - as non-stick bottom appl...

Is this rubbery and flexible? I’m thinking of a rather odd application - as non-stick bottom application on felted slippers. Do you think this would work?
Asked by: Littlemissentropy
Try silicone caulking.
Answered by: Wing
Date published: 2018-01-05

Can this withstand heat?

Can this withstand heat?
Asked by: Bubbles
This product is rated to 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: 2019-11-06

can this product be painted?

can this product be painted?
Asked by: bob
No information about painting on container. Suggest contacting manufacturer.
Answered by: BL1201
Date published: 2019-11-21
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