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ASTM C739-25 Standard specification for cellulosic fiber loose-fill thermal insulation

Publication Year

2025

Document Status

Current

Abstract

Specifies the composition and physical requirements of chemically treated, recycled cellulosic fiber loose-fill type thermal insulation for installation in attics or enclosed spaces in housing.

Document History

Supersedes ASTM C739-24.

Publisher Information

American Society for Testing and Materials

ASTM International offers global access to standards development for over 140 participating countries.