Journal · Since 1985

Notes from the Bay.

Real heat tests. Honest film comparisons. The questions we actually get asked, answered straight. No SEO bait — just the stuff a two-generation shop has figured out.

March 15, 2026·Tests

We Put a Heat Gun on a Model Y's Glass Roof. Here Are the Numbers.

Panoramic roof temps with no film, carbon film, and LLumar IRX. Measured on a 94°F day in our parking lot. No marketing.

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February 20, 2026·Maintenance

When to Replace Your Window Tint.

Bubbling, purpling, cracking, peeling. Five signs a film is past its service life — and why modern ceramic changes the timeline.

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We write when we have something to say. Usually 2-3 per year.

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