3M - Premium Medium Gap lnsulation Seal White 6 m

Improve your sealing performance with this Insulation Seal. It's built from tough, high-density foam that really keeps hot and cold air where you want it and the adhesive backing sticks right where you need it; just peel and press, no hassle. Its durable design holds up outside just as well as inside, so you can use it around doors, windows, or any gap that needs covering.