Can modern paint protection film still go yellow?
Yes, which is exactly why the big film makers put yellowing in writing. When a 10-year warranty names it, the maker is saying it doesn’t expect it from that film, and will treat it as a fault if it happens.
| Film | Warranty term | Is yellowing named? | Where it’s stated |
|---|---|---|---|
| LLumar Platinum, installed by Brookswood Tint | Ten-year limited warranty from LLumar | Named in the shop’s own terms, alongside cracking, bubbling and peeling | LLumar Platinum Gloss page and the shop’s warranty page |
| 3M Scotchgard Pro Series 200 and Series 100 Gloss | 10 years | Yes, with bubbling and cracking | 3M warranty information card, valid in the United States and Canada |
| Tesla Clear Protection Film | 10 years | Yes, as an example of a material defect | Tesla’s parts warranty, which offers that film coverage in the United States only |
LLumar’s own Platinum pages give the 10-year term and a footnote that sends you to the dealer for details; the list of defects is the shop’s wording. More on the film itself is on the LLumar Platinum PPF page.
How do film makers test PPF for colour change?
With accelerated weathering in a lab, then a measurement of how far the colour moved, written as ΔE (delta E). A smaller number means less change.
LLumar doesn’t publish weathering figures for Platinum, so for the film installed here the warranty term is the number to hold on to. XPEL does publish its results, and they show what the industry tests for:
| XPEL film | Test | Result XPEL reports |
|---|---|---|
| Ultimate Plus | Xenon weathering, 4,500 kJ (SAE J2527) | ΔE under 1.5, 80% gloss retained |
| Ultimate Plus | Outdoor-sun exposure, 28,000 MJ/m² (ASTM G90), which XPEL equates to 3.5 years | ΔE under 1.5, 90% gloss retained |
| Ultimate Plus 10 | Xenon weathering, 4,500 kJ (3,461 hours) | ΔE under 2, over 80% gloss retained |
Source: XPEL’s Ultimate Plus and Ultimate Plus 10 data sheets. XPEL describes the Ultimate Plus 10 film as “aliphatic polyurethane” and adds that its figures are “meant only as a guide.” A lab cabinet isn’t ten Fraser Valley summers on a car parked outside, so read these as evidence of what makers design for, not a forecast for your car.
What looks like yellow PPF but isn’t?
Three other things can pass for yellow film. Check them before you assume the film has failed.
A yellowing headlight lens under clear film
Every PPF package at Brookswood Tint covers the headlights, and plastic lenses yellow on their own when the factory hard coat breaks down. If the yellow is in the lens rather than the film, new film won’t cure it. Whether film slows that process is a separate question, answered in does headlight PPF stop yellowing; the lens side is in why headlights turn yellow.
One caution about any film on a lamp. BC’s 2025 Vehicle Inspection Manual, in section 6, item 1.0(a), lists a lens “covered in any manner” among the reasons a lamp is rejected. Smoked or yellowed film over a headlight can therefore fail, and clear film isn’t safe from questions either; if an inspection is coming up, ask about the headlight film first.
Paint that has aged on its own
Paint changes colour over the years too. Toyota Canada’s 2026 warranty supplement puts normal ageing of paint, and “fading”, among the paint conditions its warranty doesn’t cover. On an older car, a filmed panel and a bare one can differ because of the paint, so compare like with like.
Grime and stains on the surface
Wax and road film build up along an edge, and droppings or sap left to bake can mark the top coat. Both sit on top of the film; a proper wash shows which one you have. The care side of this is covered in how long PPF lasts.
How can you check whether your film has yellowed?
Look at a clean panel in daylight, next to a reference you trust. Yellowing is a change in the film itself, so judge the whole filmed area, not one spot or one edge.
- Wash and dry the panel; wait until film is at least a week old.
- Check it outside in daylight. Yellow-tinted street lights and some garage lighting will fool you.
- Hold a plain white card flat on the filmed paint, then on bare paint of the same colour next to it.
- On a partial front, compare the filmed front of the hood with the bare paint just behind the film line.
- Take photos in the same light, and keep them with your invoice.
If the filmed area reads warmer than the bare paint in every photo, the film is the likely cause and it’s time to have it looked at.
What happens if LLumar film yellows inside its warranty?
Bring the car and the invoice to the shop. LLumar’s footnote says “see dealer for warranty details”, and as the dealer that installed the film, Brookswood Tint is where that sentence sends you.
The shop checks the film against LLumar’s written terms, after ruling out a lens, the paint or surface staining. What happens next depends on those terms, so ask for them in writing at pickup and keep them with the car’s papers. The shop’s warranty page explains how claims start.
Getting film that’s warranted against yellowing
If you’re shopping for PPF, ask each shop which film is on the quote and whether its warranty names yellowing. At Brookswood Tint the answer is LLumar Platinum, 10 years, with yellowing in the shop’s published terms.
A partial front begins at $850 and a full front at $1,550; the paint protection film page treats those as floors that move with the size and shape of the car. If old, discoloured film from another installer is already on the car, removal comes first and is quoted separately. Use the quote form, and say if there’s film on the car already.