Cavity Walls: U Values (W/m2K) for Clear Cavity Walls Constructed Using Aircrete Blocks

Inner Leaf: With 2mm Celfix Mortar 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

0.32

0.31

0.30

0.33

0.31

0.31

0.29

0.26

60mm Thermaline PLATINUM

0.28

0.27

0.26

0.28

0.27

0.26

0.25

0.23

50mm ThermaLine SUPER

0.26

0.25

0.25

0.26

0.25

0.25

0.24

0.22

65mm ThermaLine SUPER

0.22

0.21

0.21

0.22

0.21

0.21

0.20

0.18

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

Inner Leaf: With 2mm Celfix Mortar Joints

Standard

JumboPlus

Normal/Plus

Internal Finish

100 (mm)

115 (mm)

100 (mm)

115 (mm)

125 (mm)

150 (mm)

100 (mm)

115 (mm)

40mm ThermaLine Plus

0.35

0.34

0.35

0.34

0.33

0.32

0.35

0.34

60mm Thermaline PLATINUM

0.30

0.29

0.30

0.29

0.28

0.27

0.30

0.29

50mm ThermaLine SUPER

0.28

0.27

0.28

0.27

0.27

0.26

0.28

0.27

65mm ThermaLine SUPER

0.23

0.23

0.23

0.23

0.22

0.22

0.23

0.23

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

Inner Leaf: With 2mm Celfix Mortar Joints

Hi-Strength

Jumbo Plus

Normal/Plus

Internal Finish

100 (mm)

100 (mm)

115 (mm)

125

(mm)

150

(mm)

40mm ThermaLine Plus

0.37

0.37

0.36

0.35

0.34

60mm Thermaline PLATINUM

0.31

0.31

0.30

0.30

0.29

50mm ThermaLine SUPER

0.29

0.29

0.28

0.28

0.27

65mm ThermaLine SUPER

0.24

0.24

0.23

0.23

0.22

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

Block face format as inner leaf x 100 mm thick with 2mm 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.

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  • MLA

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  • Chicago

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  • Harvard

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