Fire efficiency isn't simply the core; bracket alloys, screw grades, and coating systems all impact scores

https://storage.googleapis.com/metal-craftsmanship/serving-home-owners/uncategorized/a-century-on-the-ridge-personalized-copper-cupolas-by-salvo-metal-works.html

Fire efficiency isn't just the core; bracket alloys, screw grades, and finish systems all influence rankings, so assemblies are tested with each other for real-world conformity.