DIN 4108 Supplement 2 / GEG
Equivalence Verification (DIN 4108)
Ensuring Energy Compliance in Architectural Design and Execution
Thermal insulation is a central pillar of energy-efficient building engineering. Whenever architectural or structural details deviate from the standard catalog configurations in DIN 4108 Supplement 2, an official equivalence verification must prove that the thermal performance is equal or superior.
What is an Equivalence Verification for?
This engineering verification delivers mathematically verified proof that a custom construction detail – despite diverging from standard catalog drawings – achieves equivalent or superior thermal performance (especially regarding thermal bridge Ψ-values and minimum surface temperatures) without increasing heat transmission losses.
Scope of Services:
- Comparative engineering evaluation of proposed execution plans against DIN standards.
- Numerical FE simulation of Ψ-values and isotherms according to DIN EN ISO 10211.
- Compilation of an official, verifiable expert report for building inspectors, certifiers, and authorities.
- Optimization recommendations for critical structural connections to simplify site execution.
Your Benefits:
Legal Certainty: Eliminate liability risks, construction defects, and permit delays.
Subsidy Eligibility: Mandatory proof required for KfW Efficiency House standards (BEG).
Design Freedom: Facilitates creative architectural details beyond rigid standardized molds.
High Energy Efficiency: Safeguards your building envelope against long-term thermal deficits.