Fire efficiency isn't just the core; brace alloys, bolt qualities, and finish systems all impact scores

https://augustnbhv690.cavandoragh.org/salvo-metal-works-the-designer-s-partner-for-100-year-copper-chimney-shrouds

Fire efficiency isn't simply the core; brace alloys, bolt grades, and coating systems all impact rankings, so assemblies are tested together for real-world conformity.