Static cling vs
self-adhesive:
why we only sell one
The honest comparison most window film brands won’t give you — including what we learned the hard way.
| Static Cling | Self-Adhesive PET | |
|---|---|---|
| Material | PVC (vinyl) | PET (polyester) |
| How it sticks | Static electricity only | Pressure-sensitive adhesive |
| Lifespan | 3–5 years (less in direct sun) | 5–10 years |
| Heat performance | Shrinks + peels over time | Stable in heat + direct sun |
| Removable | Yes | Yes — peels off cleanly |
| Renter-friendly | Yes | Yes |
| Installation | Easy — repositionable | Easy — soapy water method |
| Clarity + finish | Good | Premium — crisper, cleaner |
| Sun-facing windows | Not recommended | Yes |
We used to carry a static cling version of our frosted reeded film. We don’t anymore. Here’s exactly why — and what it means for your windows.
What static cling actually is
Static cling film sticks to glass using nothing but static electricity — no adhesive involved. That sounds appealing (easy on, easy off) but the material itself is the problem. Static cling films are made from PVC, a soft vinyl that behaves poorly over time, especially when heat is involved.
PVC expands and contracts with temperature changes. On a north-facing interior window that never sees direct sun, it can last years without issue. But on a sun-facing window — a bathroom, a west-facing living room, anywhere that gets real heat — PVC shrinks. The edges lift. The film starts to peel from the corners. It looks cheap because eventually, it acts cheap.
PVC (polyvinyl chloride) is a soft, flexible plastic that degrades with UV exposure and heat over time. PET (polyethylene terephthalate) is a dimensionally stable polyester — the same material used in high-performance window tinting and architectural films. It holds its shape, holds its adhesion, and doesn’t shrink.
Our honest experience with static cling
We’ve used static cling film ourselves — three years on an interior window that doesn’t get direct sun. It’s held up fine. We’re not here to tell you static cling is useless. In the right conditions, it works.
But “works in the right conditions” is not the same as “works on your windows.” Most people installing privacy film are doing it on bathroom windows, kitchen windows, street-facing glass — exactly the windows that get heat and direct light. That’s where static cling fails. And when a customer buys film that starts peeling after 18 months, that’s not a good outcome for anyone.
So we made a straightforward decision: we only sell self-adhesive PET film. Not because it’s more profitable. Because it’s the right product for real windows in real homes.
Self-adhesive does not mean it’s harder to install or that you only get one shot. You apply it wet — spray your glass with soapy water, lay the film, squeegee out the bubbles, trim the edges. The soapy water lets you reposition it until it’s perfect. Once dry, it bonds properly. Easy to install, stays put for years, and still peels off cleanly when you want it gone. Full installation guide here →
When would you ever choose static cling?
Honestly? Rarely. The only scenario where static cling has a genuine advantage is if you need to remove and reapply the film frequently — think a rental display or a temporary setup. For permanent or semi-permanent privacy film in a home, self-adhesive PET wins on every measure that matters: longevity, clarity, heat stability, and finish quality.
What this means when you shop
If you see “static cling” on a product listing
Check where the window is. North-facing, interior, low heat? It might be fine for a few years. South or west-facing, bathroom, anywhere with real sun exposure? Walk away. The PVC will shrink and peel, and no amount of reapplying fixes that.
If you see “self-adhesive PET” or “self-adhesive polyester”
That’s the premium material. Dimensionally stable, UV resistant, rated for 5–10 years in direct sun. This is what architectural and commercial window films are made from. It’s what we use across our entire collection.
If the listing doesn’t tell you the material
That’s a red flag. Any brand confident in their product will tell you exactly what it’s made from. If they don’t say, assume PVC and factor that into your decision.
Not sure which film is right for your specific window? Start with privacy performance: does window film work at night? — we cover how each film performs after dark so you can choose with confidence.
Every film we sell is self-adhesive PET.
Custom cut to your exact dimensions, ships across Canada. Real people, happy to help if you have questions about your specific window.
Shop all films Or contact us directly — we love a good window problem.