U Valves

Wall	Typical U values (w/m2 0C)
105mm single brick	2.10
265mm cavity brick - block insulated	0.96
150mm solid concrete	0.90
Timber frame panels with 100mm insulation	0.31
Windows
Single Glazed	5.60
Double Glazed	3.20
Floor
l05mm concrete with 50mm screed-suspended	2.00
Timber floor - suspended	1.70
Solid floor on earth	0.75
Roof
Plaster Board and l00mm insulation	0.31
l50mm concrete with insulation and bitumen	0.85
For more information contact Mearsecroft Created and updated by Spiders Webs