What is a G-Value?

What is a G-Value?

Solar Gain Coefficient (g-value) In the context of windows and glazing, the g-value, also known as the solar heat gain coefficient (SHGC), represents the fraction of solar radiation (both directly transmitted and absorbed and then reradiated) that enters a building...
A New Net-Zero Agenda

A New Net-Zero Agenda

The UK’s Government Net Zero Agenda Press Release 20 September 2023 A change of pace, not direction What’s Happening? The purpose of this announcement is twofold: firstly, to reassure the public of the government’s unwavering commitment to achieving Net...
U-values and New Targets

U-values and New Targets

A “U-value” is a measure of the rate of heat flow through an element. It is expressed in W/m2k, and shows the amount of heat lost in watts (W) per square metre of material (for example wall, roof, floor etc.) When the temperature (k) outside is at least one degree...