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Interstitial Condensation Risk

Glaser-method condensation risk through a layered construction per BS EN ISO 13788, with condensation-plane identification and rate.

Element

Design condition (single winter condition)

°C
%

ISO 13788 Humidity Class 2 (normal dwelling) default

°C
%

Editable default — use your site's climate data for real design work

days

Accumulation period for the condensation mass

Surface resistances (optional overrides)

m²·K/W

ISO 6946 Table 7 default by direction

m²·K/W

Layers (interior → exterior)

No layers added yet

Add at least one complete layer to run the Glaser check
ensign.software · 28 October 2026The Ensign Toolbox