The Fundamental Difference: Direct Sun Versus Diffuse Daylight North- and south-facing windows can use exactly the same glass and still create very different conditions inside a home. The reason begins with the path of the sun. In the UK, the sun travels predominantly across the southern part of the sky. A south-facing elevation therefore has […]
Tag Archives: window U-values
What Is the Spacer Inside Double or Triple Glazing? Look closely at the perimeter of a double-glazed unit and you will usually see a narrow strip running between the panes. That component is the spacer. Its most obvious job is contained in its name: it maintains a controlled distance between the individual panes of glass, […]
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 […]
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 […]



