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The 3M 7000048517 is a single-coated, open-cell urethane foam tape designed for sealing applications in HVAC, construction, and general trade work. At 3/8 inch thick and 1/2 inch wide, this charcoal gray tape conforms to irregular surfaces and compresses to fill gaps, keeping out moisture, dust, and drafts. The open-cell urethane foam construction makes it soft and pliable, allowing it to seat firmly against uneven substrates without tearing or bunching. HVAC technicians, plumbers, and general contractors use it where a flexible, conformable seal is needed around penetrations, panels, and enclosures.
This tape is suited for residential and light commercial applications where draft sealing, dust exclusion, or moisture control is required. Common uses include sealing gaps around HVAC access panels, ductwork joints, plumbing penetrations, and door or window frames. Each roll is 1/2 inch wide by 9 yards long, providing enough material for multiple sealing points on a typical service call or installation. The charcoal gray color blends with common equipment and panel finishes.
Designed as an OEM-style replacement and general-use foam tape for sealing applications in residential and light commercial HVAC, plumbing, and construction installations.
Clean and dry the target surface thoroughly before application to ensure full adhesive contact. This tape is installed by hand and requires no special tools beyond a tape measure and cutting blade. Power down or de-energize any equipment before applying tape near electrical or mechanical components. Follow applicable local building codes and manufacturer guidelines for gap-sealing requirements in HVAC or plumbing systems.
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