3M 2149W Indoor Oversized Insulator Kit

Stops cold drafts and helps prevent frosty windows. Clear as glass. Easy to install requires only scissors and a hair dryer for installation. Safe application to aluminum painted or varnished wood or vinyl clad window moulding. Film wrinkles are remov

• Reduces heating costs and saves energy


• Stops cold drafts helps prevent frost build-up and reduces condensation


• Performs like an extra storm window


• Shrinks tight for wrinkle-free clear-as-glass results


• Increases R-value by 90% over an average single pane window.

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