Top 10 duct sealant for 2020

Shopping duct sealant has never been easy. You may come many of website, read duct sealant reviews, check the price… It will really makes you headache and tired. Don’t worry! I’ve found ways to make it less painful. Let’s find in below article.

Best duct sealant

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Best duct sealant reviews

1. Gardner Bender DS-530 Duct Seal, 5 lb. Pug,Gray

Feature

Deadens switch gear panel noise
Not for use outdoors
Duct Seal Compound

2. Duct Seal 1 lb

Feature

Seals Around Junction Boxes, Flashings And Service Entrances
Permanently Soft, Non Toxic Compound Can Be Painted Immediately After Application
Won'T Adversely Affect Other Plastic Materials Or Corrode Metals

3. Design Polymerics 1030 Water Base Duct Mastic Sealant Pail 0.50-Gallon

Feature

Low to high velocity air duct sealant, Color- Gray
Used for permanently sealing sheet metal and flexible duct system joints
UL-181 listed rigid fiberglass and flexible air ducts
Water based non flammable fire & weather resistant
Consult your local building codes for approved installation practices

4. 3M Aluminum Foil Tape 3340, 2.5" x 50 yd, 4.0 mil, Silver, HVAC, Sealing and Patching Hot and Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal Repair

Feature

VAPOR SEAL TAPE: 2. 0 mil aluminum foil backing (4. 0 mil total thickness) with a strong, pressure sensitive acrylic adhesive is ideal as a vapor seal tape for duct closure.
HOT AND COLD TEMPERATURES: Combination of a foil backing and acrylic adhesive gives this tape a superb operational temperature range of -40F-300F (-40C-149C).
EASY RELEASING LINER: Poly coated Kraft paper liner protects the adhesive and keeps the tape ready for use.
LONG LASTING: The foil backing serves as an excellent barrier against moisture, dust and many chemicals - making it strong, durable and long-lasting.
APPLICATIONS: Heating Ventilation Air Conditioning (HVAC), duct closure, vapor seal on reinforced fiberglass duct board, rigid fiber glass duct board, flexible air ducts and air connectors.
Listed for both UL181A-P and UL181B-FX

5. Red Devil 0841DS RD-DS 181 Acrylic Latex Duct Sealant, 1/2 Gallon, Gray

Feature

PERMANENTLY FLEXIBLE: Acrylic latex formula provides excellent elasticity and water resistance
INTERIOR / EXTERIOR USE: Can be used either inside or outside the home
STRONG ADHESIVE GRIP: Provides a tough bond on metal to metal connections
NON FLAMMABLE: Safe to use in enclosed areas
MOLD & MILDEW RESISTANT: Cured sealant will not discolor over time

6. Red Devil 089650 89650 (Aluminum), 280 ml, 1 Pack Extreme Temperature HVAC/R Silicone Sealant, 1-Pack

Feature

Temperature range of -60 degrees Fahrenheit to 400 degrees Fahrenheit
Excellent adhesion
Long lasting flexibility
Will not crack, shrink or peel
Solvent clean up

7. #7 Mastic Premium Air Duct Sealant one Gallon

Feature

#7 Mastic Low to High Velocity Air Duct Sealant. Color: Gray
Premium Grade Duct Mastic That Remains Flexible & Saves Energy.
UV & Weather Resistant, Water-Borne, & Non-Flammable.
Easily Applied By Brush, Trowel, Putty Knife, or Palm.
Save Energy - Seal Your Air Ducts & Crawl Spaces.

8. Hardcast Foil-Grip 1402 Mastic Duct Sealant 2" x 100'

Feature

Foil-grip 1402 is a pressure sensitive, 40-year cycle, duct joint and general purpose rolled sealant
It provides an instant water resistant grip to most surfaces including sheet metal, duct board, flex board, PVC coated duct, and duct wrap vapor Barriers
Foil-grip 1402 is suitable for subgrade application on PVC coated duct
Printed; size: 2" X 100'; application: indoor/outdoor
Instant adhesion

9. Red Devil 0841DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 1 Gallon, Gray

Feature

High quality, fiber reinforced
UL 181 a-m & b-m certified
Can be used on all types of HVAC ductwork
Mildew resistant
Interior/exterior

10. Red Devil 0841DW F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 1 Gallon, White

Feature

Excellent adhesion
Excellent flexibility
Interior/exterior use
Mold and mildew resistant
Low VOC

Conclusion

By our suggestions above, we hope that you can found the best duct sealant for you. Please don't forget to share your experience by comment in this post. Thank you!