



New Aluminum Foil Tape – 3 Inch x 150 Feet, Heat-Resistant, Heavy-Duty Adhesive Seal Model 421709
Model 421709 – 3” x 150’ Heavy-Duty Aluminum Foil Tape – SALE $16.95
Tackle demanding sealing, ductwork, and insulation jobs with our premium 3-inch wide, 150-foot long aluminum foil tape. Designed for HVAC, high-temperature repairs, and general insulation, this foil tape reflects radiant heat and resists moisture, chemicals, and UV damage. The durable aluminum backing provides flexibility and strength, while the pressure-sensitive adhesive creates an airtight, long-lasting bond.
🔧 Key Features:
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Extra-Wide Coverage: 3" width and 150’ roll—ideal for industrial jobs
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Heat Resistant: Withstands high temps for sealing ductwork and pipes
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Strong Adhesion: Bonds to metal, insulation, plastic, and more
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Moisture & UV Resistant: Durable backing for indoor/outdoor use
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Multipurpose Seal: Ideal for HVAC, ducts, insulation, patching, and electrical
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Easy to Apply: Sticks to irregular shapes and contours effortlessly
🏠 Use Cases:
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HVAC duct sealing & insulation
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Pipe wrapping for heat or cold
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Reflective barrier repairs
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Patching, moisture sealing, weatherproofing
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Construction, automotive, marine repairs