Cavity Walls: U Values (W/m2k) for Fully Filled Cavity Walls Constructed Using Rendered Outer Leaf 1

U-Values for Fully Filled Cavity Walls Using Celcon Standard Aircrete Blocks

	Inner Leaf: With 10mm Joints
	Standard
		Jumbo Plus	Normal/Plus
	Internal Finish	100 (mm)	100 (mm)	125 (mm)	150 (mm)
50mm Jablite EPS70	Dense plaster	0.44	0.44	0.42	0.40
	Lwt plaster	0.43	0.43	0.41	0.39
	12.5mm plasterboard on dabs	0.41	0.42	0.39	0.37
50mm Dritherm	Dense plaster	0.42	0.42	0.40	0.38
	Lwt plaster	0.41	0.41	0.39	0.37
	12.5mm plasterboard on dabs	0.39	0.40	0.38	0.36
65mm Dritherm/IsowoolCWS/Rockwool	Dense plaster	0.36	0.36	0.35	0.33
	Lwt plaster	0.35	0.36	0.34	0.32
	12.5mm plasterboard on dabs	0.34	0.34	0.33	0.31
75mm Jablite EPS70	Dense plaster	0.34	0.34	0.33	0.31
	Lwt plaster	0.33	0.34	0.32	0.31
	12.5mm plasterboard on dabs	0.32	0.33	0.31	0.30
100mm DrithermPLUS/Rockwool	Dense/lwt plaster	0.27	0.27	0.26	0.25
100mm DrithermPLUS/Rockwool	12.5mm plasterboard on dabs	0.26	0.26	0.25	0.24

	Inner Leaf: With 10mm Joints
	Hi-Strength
		Jumbo Plus	Normal/Plus
	Internal Finish	100 (mm)	100 (mm)	125 (mm)	150 (mm)
50mm Jablite EPS70	Dense plaster	0.46	0.47	0.44	0.42
	Lwt plaster	0.45	0.45	0.43	0.41
	12.5mm plasterboard on dabs	0.43	0.43	0.41	0.39
50mm Dritherm	Dense plaster	0.44	0.44	0.42	0.40
	Lwt plaster	0.43	0.43	0.41	0.39
	12.5mm plasterboard on dabs	0.41	0.41	0.39	0.38
65mm Dritherm/IsowoolCWS/Rockwool	Dense plaster	0.38	0.38	0.36	0.35
	Lwt plaster	0.37	0.37	0.36	0.34
	12.5mm plasterboard on dabs	0.36	0.36	0.34	0.33
75mm Jablite EPS70	Dense plaster	0.35	0.36	0.34	0.33
	Lwt plaster	0.35	0.35	0.34	0.33
	12.5mm plasterboard on dabs	0.34	0.34	0.32	0.31
100mm DrithermPLUS/Rockwool	Dense/lwt plaster	0.28	0.28	0.27	0.26
100mm DrithermPLUS/Rockwool	12.5mm plasterboard on dabs	0.26	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

Note: A fully filled cavity wall construction is not suitable for all exposure conditions.

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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APA
H + H Celcon. (2019, April 23). Cavity Walls: U Values (W/m2k) for Fully Filled Cavity Walls Constructed Using Rendered Outer Leaf 1. AZoBuild. Retrieved on December 09, 2023 from https://www.azobuild.com/article.aspx?ArticleID=7900.
MLA
H + H Celcon. "Cavity Walls: U Values (W/m2k) for Fully Filled Cavity Walls Constructed Using Rendered Outer Leaf 1". AZoBuild. 09 December 2023. <https://www.azobuild.com/article.aspx?ArticleID=7900>.
Chicago
H + H Celcon. "Cavity Walls: U Values (W/m2k) for Fully Filled Cavity Walls Constructed Using Rendered Outer Leaf 1". AZoBuild. https://www.azobuild.com/article.aspx?ArticleID=7900. (accessed December 09, 2023).
Harvard
H + H Celcon. 2019. Cavity Walls: U Values (W/m2k) for Fully Filled Cavity Walls Constructed Using Rendered Outer Leaf 1. AZoBuild, viewed 09 December 2023, https://www.azobuild.com/article.aspx?ArticleID=7900.