ASTM D6237 - 09

    Standard Guide for Painting Inspectors (Concrete and Masonry Substrates)

    Active Standard ASTM D6237 | Developed by Subcommittee: D01.46

    Book of Standards Volume: 06.02


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    ASTM D6237

    Significance and Use

    This guide is intended as a reference for those concerned with the inspection of thin- or thick-film coating application to concrete and masonry substrates. It does not cover the application of cement-type coatings. A checklist is included as Appendix X1.1. Many of the details covered may be in a specification for a particular project. A specification for coating projects should include the coatings to be used.

    1. Scope

    1.1 This guide is intended as an information aid to painting inspectors in carrying out the task efficiently. It includes the key elements of surface preparation, coatings application, and final approval for both field and shop work. The items should be selected that are pertinent to a particular job.

    Note 1—For additional helpful information, refer to the following documents:

    Manual of Concrete Practice ACI 515R American Concrete Institute

    Manual of Coating Work for Light Water Nuclear Power Plant Primary Containment and Other Safety Related Facilities

    C 811 Practice for Surface Preparation of Concrete for Application of Chemical-Resistant Resin Monolithic Surfacings

    SSPC-PA Guide 3 - A Guide to Safety in Paint Application

    Steel Structures Painting Manual Vol. 1- Good Painting Practices

    Steel Structures Painting Manual Vol. 2 - Systems and Specifications

    Manufacturers Specifications and Instructions (made available to the inspector for reference to special requirements for proper application)

    Material Safety Data Sheets (needed to insure that personnel take necessary precautions in handling hazardous materials). Available from Materials manufacturer.

    1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

    1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of whomever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

    1.4 This guide is arranged in the following order:

    Section
    Referenced Documents2
    ASTM Standards2.1
    OSHA Standards2.2
    ICRI Standards2.3
    SSPC Standards2.4
    Significance and Use 3
    Preparation for Inspection 4
    Surface Preparation Methods and Requirements5
    Surface Preparation 5.1
    Factors Affecting Coating Performance5.2
    Surface Condition 5.2.1
    Cleanliness5.2.2
    Moisture5.2.3
    Surface Preparation Procedures5.3
    Dry Surface Cleaning5.3.1
    Water and Steam Cleaning5.3.2
    Mechanical Tool Cleaning5.3.3
    Hand Tool Cleaning5.3.3.1
    Power Tool Cleaning5.3.3.2
    Scarifying Machines5.3.3.3
    Pre- and Post-Surface Preparation5.3.3.4
    Finished Surface5.3.3.5
    Blast Cleaning5.3.4
    Water Blast Cleaning5.3.5
    Acid Etching5.3.6
    Precautions in Preparing Unpainted and
    Previously Painted Surfaces5.4
    Inspection of Surfaces Prior to Field Painting5.5
    New Construction5.5.1
    Maintenance Repainting 5.5.2
    Cracks and Voids6
    Cracks6.1
    Cracks in Concrete6.1.1
    Joints in Concrete6.1.2
    Voids6.2
    Recoat Intervals6.3
    Coating Storage and Handling 7
    Storage of Coating and Thinner7.1
    Mixing of Coatings 7.2
    Thinning7.3
    Initial Samples7.3.1
    Thinning of Coating7.3.2
    Sampling of Thinned Coating7.3.3
    Heating of Coating7.4
    Weather Considerations8
    Drying8.1
    Low Temperature8.2
    High Temperature8.3
    Moisture8.4
    Wind8.5
    Coating Application9
    Residual Contaminants9.1
    Quality Assurance9.2
    Film Defects9.2.1
    Brush Application9.3
    Spray Application 9.4
    Roller Application 9.5
    Miscellaneous Methods9.6
    Rate of Application 9.7
    Additional Considerations10
    Ventilation10.1
    Painting Schedule10.2
    Film Integrity10.3
    Recoat Time10.4
    Coating System Failure 10.5
    Inspection Equipment11
    General11.1
    Adhesion of Existing Coating11.1.1
    Portable Pull-Off Adhesion11.1.2
    Field Inspection Equipment11.2
    Drying and Curing Times11.2.1
    Thermometers11.2.1.1
    Relative Humidity and Dew Point11.2.1.2
    Viscosity Cups11.2.2
    Wet-Film Thickness Gages11.2.4
    Interchemical Gage11.2.4.1
    Notched Gage11.2.4.2
    Dry-Film Thickness Gages11.2.5
    Destructive Thickness Gage11.2.5.1
    Nondestructive Film Thickness Gages11.2.5.2
    Discontinuity (Holiday) Tester11.3
    Inspection ChecklistAppendix X1


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    C811 Practice for Surface Preparation of Concrete for Application of Chemical-Resistant Resin Monolithic Surfacings

    D1212 Test Methods for Measurement of Wet Film Thickness of Organic Coatings

    D1475 Test Method For Density of Liquid Coatings, Inks, and Related Products

    D3359 Test Methods for Measuring Adhesion by Tape Test

    D4138 Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means

    D4212 Test Method for Viscosity by Dip-Type Viscosity Cups

    D4258 Practice for Surface Cleaning Concrete for Coating

    D4259 Practice for Abrading Concrete

    D4260 Practice for Liquid and Gelled Acid Etching of Concrete

    D4262 Test Method for pH of Chemically Cleaned or Etched Concrete Surfaces

    D4263 Test Method for Indicating Moisture in Concrete by the Plastic Sheet Method

    D4285 Test Method for Indicating Oil or Water in Compressed Air

    D4414 Practice for Measurement of Wet Film Thickness by Notch Gages

    D4787 Practice for Continuity Verification of Liquid or Sheet Linings Applied to Concrete Substrates

    D5064 Practice for Conducting a Patch Test to Assess Coating Compatibility

    D6132 Test Method for Nondestructive Measurement of Dry Film Thickness of Applied Organic Coatings Using an Ultrasonic Gage

    D6677 Test Method for Evaluating Adhesion by Knife

    D7234 Test Method for Pull-Off Adhesion Strength of Coatings on Concrete Using Portable Pull-Off Adhesion Testers

    E1907 Guide to Methods of Evaluating Moisture Conditions of Concrete Floors to Receive Resilient Floor Coverings

    F1869 Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride

    F2170 Test Method for Determining Relative Humidity in Concrete Floor Slabs Using in situ Probes

    International Concrete Repair Institute

    GuidelineNo.03732 Selecting and Specifying Concrete Surface Preparation for Sealers, Coatings, and Polymer Overlays Available from International Concrete Repair Institute, 3166 S. River Rd., Suite 132, Des Plaines, IL 60018, http://www.icri.org.


    ICS Code

    ICS Number Code 87.020 (Paint coating processes); 91.060.10 (Walls. Partitions. Facades)

    UNSPSC Code

    UNSPSC Code 27112200(Masonry and concrete tools)


    DOI: 10.1520/D6237-09

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