Rockshield U Values
External walls - insulated rendered systems
Prescribed U Value W/m2K
(England and Wales) Extensions: 0.30 Renovation & Repair work: 0.35
New build requirement could range between 0.28 and 0.25
(Republic of Ireland) 0.27
(Scotland, with boiler SEDBUK ) 0.30
U Values (W/m2K)
Internal finishes: (a) light plaster (b) plasterboard on dabs
Internal finish
Rockshield slab
Thickness mm | a | b | | 80 | 0.35 | 0.33 | | 90 | 0.31 | 0.30 | | 100 | 0.29 | 0.28 | | 110 | 0.27 | 0.26 | | 120 | 0.25 | 0.24 |
Construction: RockShield insulated render system on 215mm solid Medium dense block.
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