Assertion: y value | /r/HasProperty | thermal bridging factor
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Source sentences:
text: The measure of heat loss due to a thermal bridge is termed linear thermal transmittance (as opposed to ‘area’ thermal transmittance that is otherwise termed a U-value), with the units of measurement being, again, W/m²K. Psi values are used to generate y-values (thermal bridging factor) in Appendix K of the Standard Assessment Procedure.