Thermwell V449H Vinyl Foam Weather-strip Tape Gray

Product Description

The THERMWELL V449H is a gray vinyl foam weather-strip tape designed to seal gaps around doors and windows, reducing air infiltration and improving thermal efficiency in residential and light commercial applications. Each roll measures 3/4 inches wide by 3/16 inches thick and provides 17 feet of coverage. The compressible vinyl foam construction conforms to irregular surfaces, creating a consistent seal against drafts, dust, and moisture intrusion. This tape is a standard installation material for HVAC service technicians, insulation contractors, and building maintenance professionals who need a quick, reliable air-sealing solution without specialized tools.

The V449H is suited for sealing door frames, window sashes, garage door perimeters, attic access panels, and other residential or light commercial openings where air leakage is a concern. The gray color blends with common door and window frame finishes. The self-adhesive foam strip applies directly to clean, dry surfaces and is intended for interior or protected exterior applications where the tape is compressed when the door or window is closed.

Key Features

• 3/4 inch width and 3/16 inch thickness for gap-filling in standard door and window frames
• 17 feet of material per roll provides sufficient coverage for multiple door or window applications
• Vinyl foam construction compresses to conform to uneven or irregular sealing surfaces
• Gray color suits common door and window frame finishes
• Self-adhesive backing for tool-free installation on clean, dry surfaces

Compatibility

Designed as an OEM-style replacement or new-install weather-strip solution for standard residential and light commercial door and window frames where a 3/4 inch wide by 3/16 inch thick foam tape profile is required.

Installation Notes

Installation does not require specialized tools or licensed trade credentials, but is commonly performed by HVAC technicians and building maintenance staff during air-sealing or weatherization work. Clean and dry the mounting surface thoroughly before applying the adhesive-backed tape to ensure proper bonding. Avoid stretching the tape during application, as this reduces long-term adhesion. Replace existing weather-strip tape that is compressed, cracked, or no longer sealing the gap when the door or window is closed.