Property
Thermal resistance (R-value) v1.0
Active
URL: https://opendictionary-ecstest.test-bim.com/organization/25869347-9422-4528-ac1c-65954fa4061d/dictionary/4c7cdaf6-c405-44bf-9080-8359697e1668/property/4fccc8da-07ca-4ede-975c-6b3ee103d26c
GUID: 6a6e59a1-a911-4b7e-be69-2432ad8b34e0
Definition
The calculated mathematical measure of a specific material thickness's absolute ability to retard the continuous flow of conductive heat energy.
Description
The paramount specification used by builders to guarantee compliance with municipal energy codes and minimize long-term facility heating costs.
Example
R5
Technical definition
Data type
String
Value list
- R1
- R2
- R3
Usage
Property groups (1)
References
Reference documents (7)
- ASTM C518 Steady-State Thermal Transmission Heat Flow Meter Method v1.0
- EN 12667 Thermal transmittance (U-value) Thick Products v1.0
- EN 13501-1 Reaction to fire classification of Construction Products v1.0
- EN 13501-2 Fire Resistance of Building Elements v1.0
- EN ISO 10077-1 Thermal Performance Part 1 v1.0
- EN ISO 10292 Thermal Performance Calculation of U value v1.0
- EN ISO 6946 Building Components Thermal transmittance (U-value) v1.0