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The THERMWELL R734WH is a high-density white foam weatherstrip tape designed to seal gaps and prevent air infiltration around windows, doors, and appliances. The self-adhesive backing allows for fast, tool-free installation on most clean surfaces. The tape measures 0.75 inches wide by 0.4375 inches thick and comes in a 10-foot roll per unit. Its compressible foam construction conforms to irregular gaps, creating a reliable barrier against drafts, moisture intrusion, and energy loss. HVAC technicians, appliance service pros, and maintenance personnel commonly install this product as part of routine sealing and weatherization work.
This tape is suited for both residential and light commercial applications. Common uses include sealing gaps on window frames and door stops, creating a perimeter seal around window-mounted air conditioner units, and replacing or supplementing refrigerator and freezer door gaskets. The foam material also dampens vibration and reduces rattles and squeaks on automotive components including car and truck panels, trim, and doors. It adapts to a wide range of installation scenarios where a compressible, self-adhesive foam seal is needed.
Designed for use on windows, doors, window-mounted air conditioner units, refrigerator and freezer door perimeters, and automotive trim panels where a compressible self-adhesive foam seal is required.
Clean and dry the mounting surface thoroughly before applying to ensure proper adhesion. Remove the release liner and press the tape firmly along the intended sealing surface, working in short sections to maintain alignment. No special tools are required. For HVAC or appliance applications, disconnect power to the unit before performing any service work involving the tape installation area.
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