3M™ Classic lnsulation Seals are High-Density Foam Insulation seals designed for all types of windows and doors. Easy to install and built to last for years, ensuring improved insulation for up to 5 years.
Seal gaps and improve insulation with 3M™ Classic lnsulation Seals, a High-Density Foam Insulation seal, designed for all types of windows and doors. This flexible, adhesive-backed foam provides effective protection against cold, heat, dust, noise, and wind. Easy to apply and built to last, it ensures comfort and protection from external elements for up to 5 years.