LCAS.info Laboratory Cost Assessment Standard

Acoustic Calculator

LCAS® 1:2025

Acoustic Estimator

Based on EN 14351-1 (Annex B)

Validation v16.4

0. Project Identification

1. Glass Unit Performance

32 dB

2. Frame & Seals

Standard frames limit high-end glass performance.

Calculated Performance

32 (-1; -4) Weighted Sound Reduction Living (C) 31 dB Traffic (Ctr) 28 dB Correction applied.