Work Item
ASTM WK97681

Revision of F2471-19 Standard Practice for Installation of Thick Poured Lightweight Cellular Concrete Underlayments and Preparation of the Surface to Receive Resilient Flooring

Rationale

To remove unnecessary redundancy regarding substrate requirements and to remove mention of dry substrate requirements unless it is defined.
Also, requirements for density testing have been rearranged into appropriate Sections, specifically between sections 5 and 10 for Product Requirements and Field Quality Control, respectively.

Details

Developed by Subcommittee: F06.40

Committee: F06

Staff Manager: David Lee

Work Item Status

Date Initiated: 01-09-2026

Technical Contact: Elizabeth Rodenkirch

Item: 000

Ballot:

Status: