U-Values of Walls Next to Unheated Spaces

U-Values for Solar Block with 10mm Joints

U_o(W/m²K)
440mm long x 215mm high blocks with 10mm joints
Solar (mm)
External finish	Internal finish	100	115	125	150	200	250
No finish	Lwt plaster	1.06	0.96	0.90	0.79	0.63	0.52
	12.5mm plasterboard on dabs	0.96	0.87	0.82	0.73	0.59	0.49
	22mm ThermaLine BASIC	0.74	0.69	0.67	0.60	0.50	0.42
	30mm Thermaline BASIC	0.65	0.60	0.58	0.53	0.45	0.39
	40mm ThermaLine BASIC	0.56	0.52	0.51	0.46	0.40	0.35
	45 ThermaLine PLUS

U-Values for Solar Block with 2mm Joints

440mm long x 215mm high blocks with 2mm joints
Solar (mm)
External finish	Internal finish	100	115	125	150	200	250
No finish	Lwt plaster	0.91	0.81	0.76	0.66	0.52	0.42
	12.5mm plasterboard on dabs	0.84	0.75	0.71	0.62	0.49	0.41
	22mm ThermaLine BASIC	0.67	0.62	0.59	0.52	0.43	0.36
	30mm Thermaline BASIC	0.59	0.55	0.53	0.47	0.39	0.34
	40mm ThermaLine BASIC	0.52	0.48	0.46	0.42	0.36	0.31

U-Values for Standard Block with 10mm Joints

U_o(W/m²K)
440mm long x 215mm high blocks with 10mm joints
Standard (mm)
External finish	Internal finish	100	150	200	250
No finish	Lwt plaster	1.26	0.95	0.76	0.64
	12.5mm plasterboard on dabs	1.14	0.86	0.70	0.59
	22mm ThermaLine BASIC	0.84	0.69	0.58	0.50
	30mm Thermaline BASIC	0.72	0.60	0.52	0.46
	40mm ThermaLine BASIC	0.61	0.52	0.46	0.41
	45 ThermaLine PLUS

U-Values for Standard Block with 2mm Joints

440mm long x 215mm high blocks with 2mm joints
Standard (mm)
External finish	Internal finish	100	150	200	250
No finish	Lwt plaster	1.13	0.83	0.66	0.55
	12.5mm plasterboard on dabs	1.02	0.77	0.62	0.52
	22mm ThermaLine BASIC	0.79	0.63	0.53	0.45
	30mm Thermaline BASIC	0.68	0.56	0.47	0.41
	40mm ThermaLine BASIC	0.58	0.49	0.42	0.37

U-Values for Hi-Seven Block with 10mm Joints

440mm long x 215mm high blocks with 10mm joints
Hi-Seven (mm)
External finish	Internal finish	100	250	275
No finish	Lwt plaster	1.43	0.74	0.69
	12.5mm plasterboard on dabs	1.26	0.69	0.64
	22mm ThermaLine BASIC	0.92	0.57	0.54
	30mm Thermaline BASIC	0.78	0.51	0.48
	40mm ThermaLine BASIC	0.65	0.45	0.43
	45 ThermaLine PLUS

U-Values for Hi-Seven Block with 2mm Joints

440mm long x 215mm high blocks with 2mm joints
Hi-Seven (mm)
External finish	Internal finish	100	250	275
No finish	Lwt plaster	1.32	0.66	0.61
	12.5mm plasterboard on dabs	1.17	0.62	0.58
	22mm ThermaLine BASIC	0.88	0.53	0.50
	30mm Thermaline BASIC	0.75	0.48	0.45
	40mm ThermaLine BASIC	0.63	0.42	0.40

An Extract from Table 3.1, SAP 2001:

R_u for a single garage
Garage type	Element between garage and dwelling	Where the insulated envelope of the dwelling goes round the outside of the garage	Where the walls separating the garage from the dwelling are the external walls
Single, fully integral	Side wall+ end wall + floor	0.68	0.33
Single, fully integral	One wall + floor	0.54	0.25
Single adjacent	One wall	0.23	0.09

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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U-Values of Walls Next to Unheated Spaces

U-Values for Solar Block with 10mm Joints

U-Values for Solar Block with 2mm Joints

U-Values for Standard Block with 10mm Joints

U-Values for Standard Block with 2mm Joints

U-Values for Hi-Seven Block with 10mm Joints

U-Values for Hi-Seven Block with 2mm Joints

An Extract from Table 3.1, SAP 2001:

Citations

Comments

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U-Values of Walls Next to Unheated Spaces

U-Values for Solar Block with 10mm Joints

U-Values for Solar Block with 2mm Joints

U-Values for Standard Block with 10mm Joints

U-Values for Standard Block with 2mm Joints

U-Values for Hi-Seven Block with 10mm Joints

U-Values for Hi-Seven Block with 2mm Joints

An Extract from Table 3.1, SAP 2001:

Citations

Comments

Tell Us What You Think

Trending Stories

1 Registration Opens for the 9th Edition of the Engineering Design Show (EDS): The Leading Event for UK Design Engineers

2 Northeast Asia to Account for 40% of Global Construction Output in 2021, Says GlobalData

3 Construction Activity in Western Europe Set to Pick up Sharply and Grow by 5.7% in 2021, Says GlobalData

4 Polyglass Invites You to Join them at TRC

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