What a U-Value Actually Measures U-values are often presented as one of the most important numbers when comparing windows and doors, yet they are rarely explained in a way that makes sense to homeowners. The term itself sounds highly technical, leading many people to assume it requires specialist knowledge to understand. In reality, the concept […]
Tag Archives: window U-values
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Section 1: The Problem: Aluminium Is Extremely Good at Conducting Heat Aluminium has become one of the defining materials of contemporary architecture. Its strength, durability and ability to support slim, elegant frames make it an obvious choice for modern windows and doors. Yet aluminium also possesses one characteristic that once limited its use in residential […]