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Westminster · SW1·
Grade II listed flat in Westminster: 48dB noise reduction
How we cut 24-hour bus route from 82dB to 34dB using 10.8mm Stadip Silence with a 150mm decoupled air gap.
Before
82 dB
After
34 dB
Reduction
48 dB
Installation specification
Acoustic glass
10.8mm Stadip Silence
Air gap
150mm decoupled cavity
Windows treated
4 openings
Install time
2 days on site
Verified outcome
Conservation officer approved; no external alteration required.
"Heritage consent was smooth and the noise drop is beyond what we hoped for."
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