Kelvin Value Lighting Guide for Interiors & Architecture

Before You Buy Aluminium Windows, Read This Guide to Hot-Climate Glass Options

A couple standing next to a modern aluminium window, looking outside in warm sunlight with a thoughtful, positive expression.

Living in a hot climate means constantly battling the sun. It’s a blessing for light, but a major challenge for keeping your home cool. Your window glass is truly your first line of defense, acting as a shield to keep intense heat out and your indoor spaces comfortable. When you pair the right glass—the glazing—with … Read more

SHGC and U-Value of Windows and Doors for Optimal Energy Efficiency

Woman standing near glass window with sunlight showing energy efficiency through SHGC and U-Value

The Solar Heat Gain Coefficient (SHGC) and U-Factor(U-Value) are two important metrics used to assess the performance of windows in terms of energy efficiency. Let’s look at each of them: Solar Heat Gain Coefficient (SHGC) The SHGC is the fraction of solar radiation that enters a window and is released into the home as heat. … Read more

Kelvin (K) Value in Windows: What It Means (and What It Doesn’t)

Woman opening beige curtains near glass window with natural sunlight showing light temperature in modern home

When you’re selecting high‑performance doors and windows, you’ll often come across the term Kelvin (K) . But there’s a common misunderstanding: Kelvin is frequently mistaken for a measure of thermal performance. In reality, it serves a completely different purpose. Let’s clear up the confusion—and then focus on the numbers that actually matter for energy efficiency, … Read more

Does Window Glass Really Block UV Rays? The Truth About UVA & UVB Protection

Woman opening curtains near glass window with sunlight showing UV protection in modern home

Understanding UV Radiation  Before we dive into the details of how window glass interacts with UV-rays, let’s understand what UV radiation is. Ultraviolet radiation is a type of electromagnetic radiation, existing just beyond the violet end of the visible light spectrum. It is categorized into three main types: UVA, UVB, and UVC. Of these, UVC … Read more