Green Guide 2008 ratings

Building type >	Domestic
Category >	Separating Wall
Element type >	Timber

	Element number	Summary rating
Approved Document E Wall Type 4.1: Timber frame cavity wall (min. 200mm) filled with 50mm mineral wool insulation with composite panels comprising 2 sheets of plasterboard (min. 20 kg/m²) and paint to both sides	818570061	A+
Robust Detail E-WT-2: Twin timber frames with 50mm min. between sheathing & 240mm min. between wall linings; to each side 9mm plywood sheathing, 60mm mineral wool (10-60kg/m3) between studs, 2 or more layers gypsum based board (22kg/m²) and emulsion paint	818570063	A
Robust Detail E-WT-2: Twin timber frames with 50mm min. between sheathing and 240mm min. between wall linings; to each side 9mm OSB sheathing, 60mm mineral wool (10-60kg/m3) between studs, 2 or more layers gypsum based board (22kg/m²) and emulsion paint	818570065	A+
Robust Detail E-WT-4: Twin timber frames with 60mm min. between sheathing & 240mm min. between wall linings; to each side 9mm plywood sheathing, 89mm Warmcel 500 between studs, 2 or more layers gypsum based board (22kg/m²) and emulsion paint	1218570000	A
Robust Details E-WT-1 :Twin timber frames without sheathing board, 240mm min. between wall linings, wall ties where necessary, to each side - 60mm min. mineral wool between studs, 2 or more layers of gypsum based board (22kg/m2) and paint	818570062	A+
Robust Details E-WT-3 :Twin timber proprietary prefab panels. No sheathing board, 240mm min. between wall linings, wall ties where necessary, to each side - 60mm min. mineral wool between studs, 2 or more layers of gypsum based board (22kg/m2) and paint	918570000	A+
Robust Details E-WT-4: Twin timber frames with 60mm min. between sheathing and 240mm min. between wall linings; to each side 9mm OSB sheathing, 89mm Warmcel 500 between studs, 2 or more layers gypsum based board (22kg/m2) and paint	1218570001	A+