The film is taut and still lets plenty of light through the window.
















Double-layer window insulation film with self-adhesive zipper, winter protection, draft-proofing, energy saving | Sulvida
Gratis verzending + Track & Trace
30 dagen geld-terug
2 stuks = 10% · 3 stuks = 15% korting
Optimal Window Insulation for Cold Winter Months
This double-layer insulation film offers an effective solution for windows that lose heat and waste energy in winter. The self-adhesive zipper makes it easy to apply the film to almost any window surface. The transparent layer lets natural daylight through while keeping your home warm, noticeably lowering your heating bills. The windproof construction prevents drafts and cold air from getting in, so you can comfortably enjoy your home during the coldest days. Perfect for anyone looking to lower their energy bills without sacrificing natural light.
Benefits of This Window Film
- Energy-efficient: significantly reduces heat loss and lowers your heating costs throughout the winter season.
- Easy to install: the self-adhesive zipper makes installation and reuse child's play, with no tools or expertise required.
- Durable material: tear- and wear-resistant, so you can use the film for multiple winters in a row.
- UV protection: blocks harmful sun rays that can cause furniture, floors, and interiors to fade.
- Transparent design: maintains full light transmission while providing optimal insulation.
- Versatile use: suitable for various window sizes and both single and double glazing.
Designed for Long-Lasting Insulation
This film was specially developed for households looking for a reliable, reusable window solution. The approximately 0.4 mm thick PE material combines flexibility with strength, allowing the film to last for years. The zipper opening gives you easy access to the window without removing the insulation. Whether you rent a home where permanent modifications aren't possible or own a home you want to insulate seasonally, this film adapts to your needs and contributes to a more sustainable lifestyle.
Altijd gratis verzending door heel Nederland en België — zonder minimumbedrag.
Elke bestelling wordt met zorg verpakt en voorzien van Track & Trace, zodat je je pakket kunt volgen tot aan de deur.
Niet helemaal tevreden? Je hebt 30 dagen bedenktijd om je bestelling te retourneren.
Daarnaast geven we 3 jaar garantie op fabricagefouten — je aankoop is bij ons in goede handen.
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Easy to apply with that zipper, no messing around with tape.
The window feels noticeably warmer after installation. Very pleased with it.
The material feels sturdy and the zipper works smoothly. After just two weeks, there’s less draft and the house feels warmer. I’d definitely recommend it.
The transparency is good enough; you can still see outside without much obstruction. Installation took less than fifteen minutes per window. A great winter solution.
I was skeptical, but I can really notice the difference now in the corners where cold air used to come in. It also stayed intact last year, so it lasts a long time.
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We begonnen Sulvida vanuit één overtuiging: wonen mag tijdloos én betrouwbaar zijn. Elk stuk in onze collectie kiezen we persoonlijk uit op kwaliteit, materiaal en afwerking. Voldoet het niet aan onze eigen standaard, dan komt het ook niet bij jou terecht. Dat is geen beleid — zo werken we gewoon.