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Rockwool Flexi - U Values
Timber frame, tile hanging - external cavity wall
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)
Cold frame - Timber frame wall with tile hanging, Rockwool Flexi between studs only.
Thickness
mm | | | 120 | 0.35 | | 140 | 0.30 | | 180 (2x90) | 0.25 |
Hybrid frame - Timber frame wall with tile hanging,
Rockwool Flexi between studs plus 30mm RWA45 lsab between counter battens.
Thickness
mm | | 90 | 0.33 | 100 | 0.31 | 120 | 0.27 | 140 | 0.24 |
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Rockwool Limited, Pencoed, Bridgend, CF35 6NY, UK
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