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Steel frame wall

Steel frame wall U-value example

This planning snapshot shows a 14 cm steel frame wall with 20 cm EPS.

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

Quick result

0.15 W/m²K

Estimated U-value from the reference build-up.

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At a glance

Assembly type

Steel frame wall

Steel frame wall plus EPS in a standard search-targeted build-up.

Total thickness

37 cm

Total build-up thickness is 37 cm.

Estimated U-value

0.15 W/m²K

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

Worked example

Worked example: Steel frame wall U-value example

The planning example keeps the result useful for the "steel frame wall u-value example" search intent without repeating the same wording on every wall page.

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
Structural steel	Structural steel Steel frame members	14 cm	50.000 W/mK	0.00 m²K/W
EPS	Graphite EPS Facade insulation	20 cm	0.031 W/mK	6.45 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				6.66 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.

Steel Frame 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

Switch to the dedicated wall page for broader wall guidance and faster comparisons.

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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.