Acoustic performance

Acoustic Bannertext

As buildings all need some form of acoustic control to meet specific client and/or regulatory requirements (Building Regulations Approved Document E), the following guidance is intended to provide the architect, designer, acoustic engineer and end user with qualification of Rainspan performance in England and Wales, Scotland and Northern Ireland.

Weighted sound reduction index Rw (db)

Panel thickness (mm) Rainspan*
50 30
75 31
100 33
125 33
150 34
175 35
200 36
240 36

*Values below are based on the Eurobond Rainspan support panel without a rainscreen


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