Building Acoustics
Improve sound quality and privacy inside your building through soundproofing design, sound-leakage and impact-noise testing, and room-acoustic tuning to international standards.
Scope
- Site survey and sound-leakage path analysis
- STC/FSTC measurement for walls and doors (ASTM E336, ISO 16283-1)
- Floor impact-noise testing (ISO 16283-2, ISO 717-2)
- Background noise (NC/NR) and HVAC assessment
- Reverberation Time and Speech Transmission Index (STI)
- Improvement options (walls/floors/ceilings, seals, resilient channels) with BoQ and predicted results
- Post-improvement verification testing
Standards & method
We reference ISO 16283-1/-2 for field testing of walls and floors, ISO 717-1/-2 for sound ratings, and ISO 3382-2 for reverberation, plus NC/NR for background noise.
Deliverables
- TH/EN report with STC/FSTC, RT and NC/NR graphs
- Good / Better / Best options with predicted outcomes
- Material details and BoQ
- Acceptance checklist and post-works test forms
Related services
This work is usually combined with Field Sound Insulation Testing (STC / DnT,w) and Office & Workplace Acoustics. For the background before you decide, read What is STC (Sound Transmission Class) and how is it tested? in Noise 101.
FAQ
What is the difference between STC and FSTC?
STC comes from laboratory testing; FSTC is measured in the field and better reflects real conditions.
What STC/FSTC should I target?
It depends on room type — meeting rooms should reach FSTC 45+, general rooms may be lower.
Do we need to re-test after the works?
Yes — a verification test confirms the result meets the design target.