Green Guide 2008 ratings

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

	Element number	Summary rating
Robust Detail E-WS-1: twin lightweight steel frames, 200mm min. between wall linings, 25mm mineral wool quilt on each side (10 kg/m³ min.), 2 layers staggered gypsum based board (22kg/m²) and paint to each side	818580066	A
Robust Detail E-WS-1: twin lightweight steel frames, 200mm min. between wall linings, 50mm mineral wool batts between frames or 25mm mineral wool batts on each side (33-60kg/m³), 2 layers staggered gypsum based board (22kg/m²) and paint to each side	818580013	A
Robust Detail E-WS-2: twin proprietary steel frames, 190mm min. between wall linings, 100mm min proprietary glass wool quilt between frames, 2 layers proprietary plasterboard and paint to both sides	1418580002	A
Robust Detail E-WS-3: Modular build twin light steel frames 'C' or 'I' studs (100mm) with 12.5mm OSB sheathing (min7.5kg/m²) & 40mm min. cavity btwn, 75mm mineral wool batts (45kg/m³) btwn studs & 2 layers gypsum-based board (24kg/m²) w emulsion each side	818580067	B
Robust Detail E-WS-3: Modular build twin light steel frames 'C' or 'I' studs (100mm) with 12mm ply sheathing (min 7.5kg/m²) & 40mm min. cavity btwn, 75mm mineral wool batts (45kg/m³) btwn studs & 2 layers gypsum-based board (24kg/m²) w emulsion each side	818580068	C
Robust Detail E-WS-3: Modular build twin light steel frames 'C' or 'I' studs (75mm) with 12.5mm ply sheathing (min 7.5kg/m²) & 40mm min. cavity btwn, 75mm mineral wool batts (45kg/m³) btwn studs & 2 layers gypsum-based board (32kg/m²) w emulsion each side	818580064	B
Robust Detail E-WS-4: twin lightweight steel frames, 250mm min. between wall linings, 80mm mineral wool batts between frames (33-60kg/m³), 2 layers staggered gypsum based board (22kg/m²) and paint to each side	918580000	A