Description

The THERMWELL V27BK is a self-adhesive foam weather strip tape designed to seal gaps around doors, windows, and other building openings against air infiltration, moisture, and drafts. The tape measures 5/16 inches thick by 9/16 inches wide by 17 feet long per roll and features a high-compression foam core that returns to its original shape after compression. This product remains flexible and functional at temperatures as low as -40 degrees F, making it suitable for cold-climate installations where other foam products tend to harden, crack, or lose their sealing ability. Installation is handled by carpenters, general contractors, building maintenance crews, and HVAC technicians performing weatherization work.

The V27BK is suited for residential and light commercial weatherization applications. It applies directly to door frames, window stops, garage doors, attic hatches, and similar surfaces where a compressible foam seal is needed to close irregular gaps. The self-stick backing bonds to most clean, dry surfaces without additional adhesive. Its resistance to subfreezing conditions makes it a practical choice for installations in unheated spaces, cold storage enclosures, and exterior-facing assemblies in northern climates.

Key Features

Self-stick backing for tool-free application to clean, dry surfaces
High-compression foam springs back to shape after prolonged compression
Rated for use down to -40 degrees F without hardening, cracking, or freezing
Dimensions: 5/16 inches x 9/16 inches x 17 feet per roll
Sold in a package quantity of 12 rolls

Compatibility

Designed as a general-purpose foam weather strip tape for residential and light commercial door, window, and hatch sealing applications where a compressible self-adhesive foam strip is required.

Installation Notes

Clean and dry the mounting surface thoroughly before applying the tape to ensure proper adhesion. Cut the strip to length with scissors or a utility knife. Press firmly along the entire length to activate the adhesive bond. Avoid stretching the tape during application, as this can reduce long-term adhesion and compress the foam profile before the seal is made.