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Services layer in single-shell external wall structures
Services layer in single-shell external wall structures
As in masonry structures, the services are slotted into the masonry. Particularly with porous stone materials, great care must be taken that the airtight layer is provided by the interior plaster.
External wall structures suitable for passive houses, with an excellent U value of 0.127 W/m2K, can be achieved with single-shell masonry 49 cm thick and with a thermal conductivity λ of 0.070 W/mK plus 4 cm of insulating plaster.
A video on airtight electrical installation:
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