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IS 8225 : 2018

Acoustics - Measurement of Sound Absorption in a Reverberation Room (Second Revision)

Current edition: 2018

BIS department: LITD

What this standard covers

This International Standard specifies a method of measuring the sound absorption coefficient of acoustical materials used as wall or ceiling treatments, or the equivalent sound absorption area of objects, such as furniture, persons or space absorbers, in a reverberation room. It is not intended for measur- ing the absorption characteristics of weakly damped resonators.

Scope, quoted from IS 8225 : 1987 — the 1987 edition in the public archive, not the current IS 8225 : 2018. Read the full standard

The BIS registry lists the current edition as IS 8225 : 2018. The publicly archived copy quoted here is the 1987 edition, so wording and requirements may have changed since. Check the official BIS listing for what is in force.

Edition history (per the BIS registry)

  • IS 8225 : 2018 — current edition

Where this standard is used on NirmanDost

CPWD DSR 2021 (Civil Works)

Item codeDescription (verbatim)
26.25Providing and fixing 15 mm thick false ceiling tiles at all heights with integral densified calcium silicate reinforced with fibre and natural filler false ceiling tiles of Size 595x595 mm of approved texture, design a…

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Find IS 8225 on the official BIS portal All IS codes used on NirmanDost

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Notes

  • Status and titles come from the official BIS published/withdrawn standards registry (standards.bis.gov.in exports, July 2026 snapshot). Editions change — verify on the BIS portal before contractual use.
  • The standard text is copyright BIS. NirmanDost shows registry metadata and links to the official source only — it never rehosts the document.
  • Generated 2026-07-27.