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The FROST KING R538H is a high-density rubber foam tape weatherstripping designed to seal gaps around doors, windows, and access panels against air, dust, and moisture infiltration. Measuring 10 feet long by 3/8 inches wide, it provides a compressible, conforming seal along irregular or worn contact surfaces. The foam construction offers consistent compression recovery, maintaining a tight seal over repeated open-and-close cycles. This product is appropriate for HVAC technicians, plumbers, electricians, and general contractors who need a fast, reliable gap seal during service calls or new installations.
The R538H is suited for residential and light commercial applications where air sealing or vibration isolation around penetrations, panels, and enclosures is required. Common uses include sealing around service door frames, electrical enclosure edges, access hatches, and mechanical room doors. The 10-foot roll provides enough material to address a standard door perimeter or multiple smaller sealing tasks in a single package.
Designed as a general-purpose foam tape weatherstripping solution for residential and light commercial doors, windows, access panels, and mechanical enclosures requiring a compressible air and dust seal.
Foam tape weatherstripping is typically installed by the finishing trade or service technician as part of a door, window, or panel seal-up. Clean and dry the bonding surface before applying to ensure full adhesion. No special tools are required, though a utility knife or scissors is useful for trimming to length. Do not stretch the tape during application, as this reduces its cross-section and can compromise the seal.
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