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This is a clear PVC film, 0.15 mm thick, with a self-adhesive backing that sticks directly to window glass to add a thin insulating layer. It is aimed at renters and homeowners who want to cut drafts and heat loss without replacing windows or fitting a frame-and-shrink kit. Compared with shrink-film kits that need double-sided tape and a hair dryer, it goes on faster and can be peeled off, but the thin PVC adds little real R-value and the adhesive side is unforgiving of bubbles and misalignment. Expect a modest draft reduction on single-pane windows, not the performance of secondary glazing.
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This self-adhesive thermal film goes on windows to create an insulating barrier. It helps keep heat in and cold out.
The film is made of PVC and is 0.15 mm thick. It sticks to the glass with its self-adhesive backing, so it is easy to apply.
