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Aerated concrete wall

Aerated concrete wall U-value example

Aerated concrete worked example: this reference baseline shows a 24 cm wall with 10 cm mineral wool.

Used for quick thermal checks of walls, roofs, and floors.

Quick result

0.20 W/m²K

Estimated U-value from the reference build-up.

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At a glance

Assembly type

Aerated concrete wall

Aerated concrete wall plus mineral wool in a standard search-targeted build-up.

Total thickness

37 cm

Total build-up thickness is 37 cm.

Estimated U-value

0.20 W/m²K

The estimated U-value is based on the full layer stack.

Worked example

Worked example: Aerated concrete wall U-value example

The reference aerated concrete example keeps the result useful for the "aerated concrete wall u-value example" search intent without copying the other wall page wording.

Layer	Material	Thickness	Lambda	R

Layer	Material	Thickness	Lambda	R
Interior finish	Gypsum plaster Interior finish	1.5 cm	0.700 W/mK	0.02 m²K/W
Aerated concrete 400	Aerated concrete 400 Single-leaf wall block	24 cm	0.120 W/mK	2.00 m²K/W
mineral wool	Mineral wool General insulation	10 cm	0.035 W/mK	2.86 m²K/W
External finish	Silicone render Facade finish	1.5 cm	0.870 W/mK	0.02 m²K/W
Surface resistances				0.17 m²K/W
Total resistance				5.07 m²K/W

How it is calculated

How this wall build-up is calculated

R = d / lambda

Each layer adds resistance using R = d / lambda. The final U-value includes the wall leaf, the insulation, and the surface resistances.

U = 1 / (Rsi + sum(R layers) + Rse)

This page is a quick reference, while the main calculator remains the place to adjust the exact project layers.

Aerated Concrete Wall U Value Example

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Comparison

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How To Calculate U Value

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Lambda Values Table

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Insulation Thickness Calculator

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Open the calculator

Use the main calculator to edit layers, compare materials, and export a custom result.

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Wall calculator

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Notes

Search note

Pages like this support long-tail search queries and help users land directly on an assembly example.

Practical note

For detailed design, check the calculator and the wall guide pages to account for junctions and thermal bridges.