U-values
What is a U-value? A U-value, also known as thermal transmittance, measures the rate of transfer of heat through 1m2 of a material or element (e.g. a wall, floor or roof). The units of measurement are W/m²K. Therefore, the higher
What is a U-value? A U-value, also known as thermal transmittance, measures the rate of transfer of heat through 1m2 of a material or element (e.g. a wall, floor or roof). The units of measurement are W/m²K. Therefore, the higher