Thermal breaks in steel systems changed my sight on power performance; isolators
https://www.scribd.com/document/1042186110/Snow-Guard-Truths-Copper-s-Unequaled-Longevity-in-Alpine-and-Coastal-Projects-173583
Thermal breaks in metal systems changed my view on energy efficiency; isolators and clip designs reduced warmth transfer while maintaining the slim profiles designers enjoy.