Sonus Curve 10

• 3/8” thick (10 mm) acoustic underlayment
• Ideal under 2–4″ concrete or EXACOR® panels
• Great for mass timber floors (CLT, DLT, NLT, MPP)
• Performance: STC/IIC in high 50s, HIIC up to 69
• Eco: 92% recycled, LEED eligible

Sonus Curve 17

• 3/4” thick (17 mm) for increased sound isolation
• Use under concrete or EXACOR®
• Performance: HIIC up to 70
• Meets fire, VOC, and thermal standards
• Great for multi-unit or high-traffic mass timber floors

Sonus Curve 25

• 1” thick (25 mm) high-performance underlayment
• Best for floors needing extra impact dampening
• Performance: HIIC up to 77
• Compatible with wood, SPC, or LVT finishes
• Use with concrete or EXACOR® topping

Sonus Curve 50

• 2” thick (50 mm) — stacked Curve 25 layers
• Ultimate sound control for demanding acoustic specs
• Performance: HIIC up to 81, STC up to 59
• For premium timber builds or critical acoustic zones