Application illustration
3MNight Vision Series
Solar-control film with reduced interior reflectivity for outward views after dark.
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PurlfrostSRF-20X Dark External Reflective Film
Exterior version of a dark reflective solar film.
Supply and UK availability to confirm. No live price or checkout.
Add to my project briefCatalogue preview · Supplier agreements, UK availability and prices are being confirmed. No live orders or enquiries.
Understand the product
SRF-20X Dark External Reflective Film, in context.
A distinct outside-application product for compatible glazing. The source describes installation by competent DIY users or professionals and gives exterior edge-sealing guidance.
- Exterior application
- By-the-metre or cut-to-size formats
- Sample available on source site
Use the linked manufacturer documents for variant-specific performance figures. A range name does not establish a single specification.
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Evidence, with its context
Reviews & real-world experience.
No attributable product-specific review verified in this research; company ratings are excluded.
Individual reports are not controlled performance tests. External comments may concern another market, variant, glazing or installation. We do not turn company-wide ratings into product stars.
Documents & manufacturer visuals.
Visit Purlfrost official website (opens in a new tab)
Official product imagery can be viewed at the source:
Sources reviewed 9 October 2026. Manufacturer names identify researched products. No supply partnership, installer authorisation or image licence is implied.
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Explore film detailsFrequently asked questions
Questions about Purlfrost SRF-20X Dark External Reflective Film
Practical answers to help you plan your project.
What is Purlfrost SRF-20X Dark External Reflective Film intended for?
Exterior version of a dark reflective solar film. A distinct outside-application product for compatible glazing. The source describes installation by competent DIY users or professionals and gives exterior edge-sealing guidance.
Link to this answerWhat must I check before specifying Purlfrost SRF-20X Dark External Reflective Film?
Not night-time privacy. Source excludes triple glazing and polycarbonate roofs. Safe exterior access and specified edge treatment are required; a sample does not verify compatibility.
Link to this answerCan I fit Purlfrost SRF-20X Dark External Reflective Film myself?
This record includes a DIY or professional route. Check the exact variant, substrate and manufacturer fitting instructions before deciding. Some applications still need a professional compatibility assessment.
Link to this answerIs Purlfrost SRF-20X Dark External Reflective Film in stock with a confirmed UK price?
TintSmart has not confirmed live stock, a sale price or supplier fulfilment for this record. Confirm the exact variant, UK availability, total supplied or installed price and applicable warranty with the proposed supplier.
Link to this answerAre the pictures of Purlfrost SRF-20X Dark External Reflective Film exact product samples?
The application scenes are illustrations, not photographs or physical colour samples of this product. Use the linked manufacturer documents and a physical sample to check the actual finish and specification.
Link to this answer