Sound absorption values for Troldtekt installed on gypsum

Troldtekt® installed on gypsum

Construction		Frequency (hZ)						Specifications			PDF
Construction		125	250	500	1000	2000	4000	Alpha	NRC	Class	PDF
	95 mm mineral wool 22 mm wooden battens 13 mm gypsum 45 mm wooden battens 45 mm mineral wool 35 mm Troldtekt	0.35	0.60	1.00	0.90	0.90	1.00	0.90	0.85	A
	95 mm mineral wool 22 mm wooden battens 13 mm gypsum 22 mm wooden battens 35 mm Troldtekt	0.25	0.20	0.40	0.75	0.65	0.80	0.45	0.50	D
	95 mm mineral wool 22 mm wooden battens 13 mm gypsum 25 mm Troldtekt	0.20	0.15	0.25	0.50	0.85	0.65	0.35	0.45	D
	95 mm mineral wool 22 mm wooden battens 13 mm gypsum 22 mm wooden battens 25 mm Troldtekt	0.25	0.20	0.35	0.70	0.65	0.70	0.40	0.50	D
	95 mm mineral wool 22 mm wooden battens 13 mm gypsum 35 mm Troldtekt	0.25	0.30	0.35	0.60	0.75	0.75	0.40	0.50	D
	95 mm mineral wool 22 mm wooden battens 13 mm gypsum 45 mm wooden battens 45 mm mineral wool 25 mm Troldtekt	0.30	0.60	1.00	0.95	0.85	1.00	0.85	0.85	B

Construction		Frequency (hZ)						Specifications			PDF
Construction		125	250	500	1000	2000	4000	Alpha	NRC	Class	PDF
	95 mm mineral wool 22 mm wooden battens 13 mm gypsum 22 mm wooden battens 35 + 18 mm Troldtekt Plus	0.25	0.35	0.80	1.00	0.90	1.00	0.65	0.75	C
	95 mm mineral wool 22 mm wooden battens 13 mm gypsum 45 mm wooden battens 25 + 40 mm Troldtekt Plus	0.30	0.55	1.00	1.00	0.95	0.95	0.85	0.90	B
	95 mm mineral wool 22 mm wooden battens 13 mm gypsum 45 mm wooden battens 35 + 40 mm Troldtekt Plus	0.30	0.60	1.00	1.00	1.00	1.00	0.90	0.90	A
	95 mm mineral wool 22 mm wooden battens 13 mm gypsum 22 mm wooden battens 25 + 18 mm Troldtekt Plus	0.25	0.30	0.70	1.00	0.90	0.95	0.60	0.75	C