Cavity Walls: U Values (W/m2K) for Clear Cavity Walls Constructed Using Rendered Outer Leaf 1500kg/m

Inner Leaf: With 10mm Joints

Solar

JumboPlus

Normal/Plus

Internal Finish

100 (mm)

115 (mm)

125 (mm)

100 (mm)

115 (mm)

125

(mm)

150 (mm)

200 (mm)

40mm ThermaLine Plus

0.40

0.38

0.37

0.41

0.39

0.38

0.35

0.32

60mm Thermaline PLATINUM

0.33

0.32

0.31

0.34

0.32

0.32

0.30

0.27

50mm ThermaLine SUPER

0.31

0.30

0.39

0.31

0.30

0.30

0.28

0.26

65mm ThermaLine SUPER

0.25

0.24

0.24

0.25

0.25

0.24

0.23

0.21

U-Values for Clear Cavity Walls Using Celcon Standard Aircrete Blocks

Inner Leaf: With 10mm Joints

Standard

JumboPlus

Normal/Plus

Internal Finish

100 (mm)

115 (mm)

100 (mm)

115 (mm)

125 (mm)

150 (mm)

40mm ThermaLine Plus

0.43

0.41

0.44

0.42

0.41

0.39

60mm Thermaline PLATINUM

0.36

0.34

0.36

Related Stories

0.35

0.34

0.32

50mm ThermaLine SUPER

0.33

0.32

0.33

0.32

0.32

0.30

65mm ThermaLine SUPER

0.26

0.26

0.27

0.26

0.26

0.25

U-Values for Clear Cavity Walls Using Celcon Hi-Strength Aircrete Blocks

Inner Leaf: With 10mm Joints

Hi-Strength

JumboPlus

Normal/Plus

Internal Finish

100

(mm)

100

(mm)

125

(mm)

190

(mm)

40mm ThermaLine Plus

0.46

0.46

0.44

0.39

60mm Thermaline PLATINUM

0.37

0.37

0.38

0.32

50mm ThermaLine SUPER

0.34

0.34

0.33

0.30

65mm ThermaLine SUPER

0.27

0.27

0.26

0.25

Block format:
Normal: 440mm long x 215mm high
Plus: 610mm long x 215mm high
JumboPlus: 610mm long x 270mm high

440 x 215 x 100mm blocks with 10mm joints

This information has been sourced, reviewed and adapted from materials provided by H + H Celcon.

For more information on this source, please visit H + H Celcon.

Citations

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  • APA

    H + H Celcon. (2019, April 23). Cavity Walls: U Values (W/m2K) for Clear Cavity Walls Constructed Using Rendered Outer Leaf 1500kg/m. AZoBuild. Retrieved on May 19, 2025 from https://www.azobuild.com/article.aspx?ArticleID=7892.

  • MLA

    H + H Celcon. "Cavity Walls: U Values (W/m2K) for Clear Cavity Walls Constructed Using Rendered Outer Leaf 1500kg/m". AZoBuild. 19 May 2025. <https://www.azobuild.com/article.aspx?ArticleID=7892>.

  • Chicago

    H + H Celcon. "Cavity Walls: U Values (W/m2K) for Clear Cavity Walls Constructed Using Rendered Outer Leaf 1500kg/m". AZoBuild. https://www.azobuild.com/article.aspx?ArticleID=7892. (accessed May 19, 2025).

  • Harvard

    H + H Celcon. 2019. Cavity Walls: U Values (W/m2K) for Clear Cavity Walls Constructed Using Rendered Outer Leaf 1500kg/m. AZoBuild, viewed 19 May 2025, https://www.azobuild.com/article.aspx?ArticleID=7892.

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