Fire & Acoustic Performance

Floor Construction

Wall Graphic	Build Up	Acoustic Insulation DnTw	Fire Resistance
	-18mm Chipboard -Hi-SPAN Channel Sections -12.5mm Plasterboard	33dB	30 min
	-18mm Chipboard -Hi-SPAN Channel Sections with 100mm mineral wool insulation between channels -12.5mm Plasterboard	42dB	30 min
	-19mm Cement Particle Board -100 Resilient Layer (min) -Hi-SPAN Channel Sections with 100mm mineral wool insulation between channels -2 layers of 15mm Plasterboard	52dB	60 min
	-18mm T&G Chipboard -19mm Plasterboard -25-30mm mineral wool or glass wool insulation -Chipboard, OSB or Plywood -Hi-SPAN Channel Sections with 100mm mineral wool insulation between channels -Resilient Bars -2 layers of 15mm Plasterboard	57-60dB	60 min

Wall Construction

Wall Graphic	Build Up	Acoustic Insulation DnTw	Fire Resistance
	-12.5mm Plasterboard -Hi-Wall Stud Sections -12.5mm Plasterboard	35dB	30 min
	-12.5mm Plasterboard -Hi-Wall Stud Sections with mineral wool between studs -12.5mm Plasterboard	45dB	30 min
	-2 layers of 12.5mm Plasterboard -Hi-Wall Stud Sections with mineral wool between studs -2 layers of 12.5mm Plasterboard	50dB	60 min
	-2 layers of 12.5mm Plasterboard -Resilient Bars -Hi-Wall Stud Sections -Resilient Bars -2 layers of 12.5mm Plasterboard	58-60dB	60 min
	-2 layers of 12.5mm Plasterboard -Hi-Wall Stud Sections -Mineral Woll between stud walls -Hi-Wall Stud Sections -2 layers of 12.5mm Plasterboard	60-65dB	60 min