ASTM D5703-95(2007)
(Practice)Standard Practice for Preparatory Surface Cleaning for Clay Brick Masonry
Standard Practice for Preparatory Surface Cleaning for Clay Brick Masonry
SIGNIFICANCE AND USE
Surface cleaning is necessary to prepare clay brick masonry surfaces for application of coatings intended for water repellent protection. Surface cleaning helps to ensure proper adhesion or even penetration of the coating and to prevent unintended sealing-in of stains.
This practice addresses surface cleaning only. Other preparation or remedial repairs, such as repointing the masonry or replacing of units, may be necessary and must be completed prior to application of the water repellent treatment.
SCOPE
1.1 This practice covers non-abrasive surface cleaning of clay brick masonry to remove surface contaminants such as dirt, grease, loose material, soot, fly ash, hydrocarbon residues, algae, etc. in preparation for the application of water repellent coatings without damaging or altering the surface appearance of the clay brick masonry.
1.2 Procedures included in this practice are water cleaning, detergent water cleaning, pressurized water cleaning, steam cleaning, and acid cleaning. It is not intended for the cleaning of newly constructed brick masonry. Use of procedures described in this practice may not be appropriate where the surface is of a historical nature.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard information see Section 5 and Note 2 and Note 3.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D5703 − 95 (Reapproved2007)
Standard Practice for
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Preparatory Surface Cleaning for Clay Brick Masonry
This standard is issued under the fixed designation D5703; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.1 slurry, n—a coating of finely ground clay, coloring
agents,andwaterappliedtothesurfaceofclaybrickduringthe
1.1 This practice covers non-abrasive surface cleaning of
manufacturing process prior to firing of the unit.
clay brick masonry to remove surface contaminants such as
3.1.1.1 Discussion—Sand may also be added to the slurry.
dirt, grease, loose material, soot, fly ash, hydrocarbon residues,
algae, etc. in preparation for the application of water repellent
3.2 For definitions of other terms found in this practice,
coatings without damaging or altering the surface appearance
refer to Terminology C43.
of the clay brick masonry.
4. Significance and Use
1.2 Procedures included in this practice are water cleaning,
detergent water cleaning, pressurized water cleaning, steam
4.1 Surface cleaning is necessary to prepare clay brick
cleaning, and acid cleaning. It is not intended for the cleaning
masonrysurfacesforapplicationofcoatingsintendedforwater
of newly constructed brick masonry. Use of procedures de-
repellent protection. Surface cleaning helps to ensure proper
scribed in this practice may not be appropriate where the
adhesion or even penetration of the coating and to prevent
surface is of a historical nature.
unintended sealing-in of stains.
1.3 The values stated in inch-pound units are to be regarded
4.2 This practice addresses surface cleaning only. Other
as the standard. The values given in parentheses are for
preparation or remedial repairs, such as repointing the masonry
information only.
or replacing of units, may be necessary and must be completed
prior to application of the water repellent treatment.
1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
5. Hazards
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
5.1 Localized stains (for example efflorescence and metallic
bility of regulatory limitations prior to use. For specific hazard
stains) and previously applied coatings not compatible with the
information see Section 5 and Note 2 and Note 3.
water repellent treatment may require removal by other surface
cleaning methods. Failure to remove localized stains prior to
2. Referenced Documents
application of the treatment may prevent later removal of the
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stain.
2.1 ASTM Standards:
C43 Terminology of Structural Clay Products (Withdrawn
NOTE 1—Methods for removing localized stains, including use of
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2009)
non-proprietary chemical compounds, can be found in several references,
some of which are listed in Appendix X1.
3. Terminology
5.2 Do not perform water cleaning, detergent water
3.1 Definitions of Terms Specific to This Standard:
cleaning, pressurized water cleaning, and acid cleaning at
temperatures below 40°F.
5.3 Handle proprietary chemical cleaning products accord-
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This practice is under the jurisdiction of ASTM Committee D01 on Paint and
ing to manufacturer’s recommendations. Conform to estab-
Related Coatings, Materials, and Applications and is the direct responsibility of
lished federal, state, local and project requirements for use and
Subcommittee D01.47 on Concrete, Stone and Masonry Treatments.
disposal of materials. Provisions for collecting and removing
Current edition approved July 1, 2007. Published August 2007. Originally
approved in 1995. Last previous edition approved in 2001 as D5703 - 95 (2001).
cleaning effluent may be necessary.
DOI: 10.1520/D5703-95R07.
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5.4 Use the minimum effective pressure if pressure washing
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
equipment is employed for water cleaning or for flushing the
Standards volume information, refer to the standard’s Document Summary page on
surface for detergent water cleaning or chemical cleaning.
the ASTM website.
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Avoid excessive pressure that could damage the masonry
The last approved version of this historical standard is referenced on
www.astm.org. surface.
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D5703 − 95 (2007)
6. Procedure after treatment, before the surface dries, remove residues of the
cleaning ag
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