## Look up: u-value

1. U Value
The measure of the thermal insulation of a material or group of materials. Timber frame achieves excellent U values such as the ones listed below that are typical for external walls. (based on insulated timber frame panel / 50mm cavity & 100mm brickwork external skin)
Found op http://www.taylor-lane.co.uk/glossary.php

2. U-value
Is a measure of thermal transmittance through a building component usually a roof, wall, window, door, or floor. The U-value multiplied by the area of the component gives the rate of energy (heat) loss through the component per unit of temperature difference between inside and outside air temperatur...
Found op http://www.greenconstruction.co.uk/glossary/U.asp

3. U-Value
Planet Uranus has the seventh most distant orbit from our star the Sun. It is slightly smaller than Jupiter and Saturn and is also a gas giant planet. Uranus has very faint rings around it (not visible from Earth)
Found op http://www.users.zetnet.co.uk/computing/MainPage/SecDepts/Physics/Resources

4. U-Value
Rate of Heat Loss from a Building
Found op http://www.acheson-glover.com/community/glossary-of-terms.asp

5. U-value
see thermal transmittance.
Found op http://www.sre.co.uk/library/glossary

6. U-Value
(thermal transmittance co-efficient) basically, a measurement of heat loss. Technically, it is calculated on the rate at which heat transfers through 1m2 of a structure where the temperature difference between the inner and outer face is 1 degree C. The lower the...
Found op http://www.trp.dundee.ac.uk/research/glossary/uvalue.html

7. U-value
(from the article `building construction`) ...paper on one side. Fibre insulations are made in thicknesses up to 23 centimetres (9.25 inches). The effectiveness of an insulation material is ...
Found op http://www.britannica.com/eb/a-z/u/1

8. U-VALUE
A measure of air-to-heat transmission (loss or gain) due to the thermal conductance and the difference in indoor and outdoor temperatures. As the U-value decreases, so does the amount of heat that is transferred through the glazing material. The lower the U-value, the more restrictive the fenestrati...
Found op http://www.proofrock.com/construction_terms.htm

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