The Double Glazing Glossary
0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
U
U-value : It is a measure of the rate of heat loss from a building component and is expressed in Watts per square metre, per degree Kelvin or W/m2K. |
