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ACI 302.2 2022

ACI 302.2 2022

$46.04

ACI PRC-302.2-22: Concrete Slabs that Receive Moisture-Sensitive Flooring Materials – Guide

Published By Publication Date Number of Pages
ACI 2022 49
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This guide contains materials, design, and construction recommendations for concrete slabs-on-ground and suspended slabs that are to receive moisture-sensitive flooring materials. These flooring materials include sheet rubber, epoxy coatings, vinyl composition tile, sheet vinyl, carpet, athletic flooring, laminates, and hardwood. Keywords: admixtures; cracking; curing; curling; drying; mixture proportioning; moisture movement; moisture test; relative humidity; slabs-on-ground; specifications; vapor retarder.

PDF Catalog

PDF Pages PDF Title
3 TITLE PAGE
4 CHAPTER 1—INTRODUCTION AND SCOPE
1.1—Introduction
1.2—Scope
5 1.3—Flooring moisture issues
1.4—Concrete slabs that receive flooring materials
6 1.5—Changes in construction methods and materials that affect floor systems
1.6—Floor flatness changes with time
7 1.7—Other considerations
CHAPTER 2—DEFINITIONS
2.2—Definitions
8 CHAPTER 3—CONCRETE MOISTURE BASICS
3.1—Introduction
3.2—Moisture movement
9 3.3—Concrete drying profiles
10 3.4—Effects of moisture movement
13 3.5—Equilibrium moisture content
3.6—Drying and wetting of concrete
15 3.7—Moisture loss during drying
CHAPTER 4—CONCRETE MOISTURE TESTING
4.1—Introduction
16 4.2—Standard guides and test methods
4.3—Qualitative and quantitative tests
18 4.4—Test parameters
22 4.5—Underlayment testing
4.6—Comments on moisture vapor emission rate tests
23 CHAPTER 5—CONCRETE pH TESTING
5.1—Introduction
5.2—Carbonation
24 5.3—Adhesive water
CHAPTER 6—FLOOR COVERING AND ADHESIVE MANUFACTURER’S RECOMMENDATIONS
6.1—Introduction
6.2—Manufacturer’s recommendations
26 6.3—Dealing with multiple floor covering requirements
27 CHAPTER 7—DRYING OF CONCRETE
7.1—Introduction
7.2—Concrete drying with no external source of moisture
28 7.3—Concrete drying: exposed to moisture from below
29 7.4—Concrete drying: exposed to moisture from above
7.5—Concrete drying from both sides
7.6—Effect of concrete-making materials
7.7—Effect of fresh and hardened concrete properties
7.8—Effect of thickness
30 7.9—Effect of curing
31 7.10—Drying of mature concrete
32 7.11—Effect of drying environment
7.12—Drying at exposed edge
7.13—Drying of lightweight concrete
33 CHAPTER 8—VAPOR RETARDER
8.1—Introduction
8.2—Vapor retarder location
36 8.3—Vapor transmission through retarder
37 CHAPTER 9—FLOOR COVERING MATERIALS
9.1—Introduction
9.2—Communication between architect and engineer
38 9.3—Floor covering technical resources
9.4—Floor adhesives and coverings
9.5—Effect of moisture in flooring adhesives
39 9.6—Effect of concrete moisture on adhesive performance
40 CHAPTER 10—DESIGN AND CONSTRUCTION RECOMMENDATIONS
10.1—Introduction
10.2—Moisture testing
41 10.3—Vapor retarder
10.4—Concrete materials
10.5—Concrete properties
42 10.6—Surface finish
43 10.7—Curing
10.8—Surface preparation
10.9—Repairs
44 10.10—Protection
10.11—Moisture mitigation
CHAPTER 11—REFERENCES
45 Authored documents
46 APPENDIX—TWO CASE STUDIES OF MOISTURE-RELATED FLOORING PROBLEMS
A.1—Value engineering results in flooring failure
47 A.2—Post-construction trench drains results in flooring failure

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ACI 302.2 2022
$46.04