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Brick lambdaLambda value brick
Reference page for the thermal conductivity of brick in wall assemblies and comparison searches.
Used for quick thermal checks of walls, roofs, and floors.
Reference lambda value for solid ceramic brick.
Shown as a 10 cm reference layer for comparison.
Lower lambda means better insulation performance.
Lambda reference: Solid ceramic brick
This page highlights the thermal conductivity of the material and shows how it behaves in a simple comparison layer.
| Layer | Material | Thickness | Lambda | R |
|---|---|---|---|---|
| Layer | Material | Thickness | Lambda | R |
|---|---|---|---|---|
| Reference layer |
Reference layer
Masonry wall leaf
|
10 cm | 0.770 W/mK | 0.13 m²K/W |
| Surface resistances | 0.17 m²K/W | |||
| Total resistance | 0.30 m²K/W | |||
What lambda means here
R = d / lambda
Lambda describes how well the material conducts heat. A lower value usually gives a better insulating effect for the same thickness.
U = 1 / (Rsi + sum(R layers) + Rse)
This reference page uses the material's catalog value and a simple 10 cm comparison layer.
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How To Calculate U Value
Open how to calculate u value for the next step in this journey.
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Open brick wall u value calculation example for the next step in this journey.
Open supportHow Much Insulation For Brick Wall
Open how much insulation for brick wall for the next step in this journey.
Open supportOpen the calculator
Use the main calculator to edit layers, compare materials, and export a custom result.
Open calculatorMaterial note
Brick is a common wall material, but it usually needs extra insulation to achieve low U-values.
Use case note
Compare brick against the wall calculator when you want to estimate the full assembly effect.