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Designation:E226003(Reapproved 2012)1Standard Guide forRepointing(Tuckpointing)Historic Masonry1This standard is issued under the fixed designation E2260;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTESection 2.2 was editorially corrected in November 2013.1.Scope1.1 This guide applies only to existing historic masonryconstruction.For purposes of this guide historic masonry isintended to refer to buildings that have significant historic,architectural,cultural or social meaning and are constructed ofmasonry materials.Similar techniques and evaluation shouldbe employed for non-historic masonry,but are not addressed inthis guide.1.2 This guide outlines procedures for repointing historicmasonry and is intended to provide guidelines for the user toestablish project-specific requirements for repointing of his-toric masonry.1.3 This guide only pertains to masonry units:brick,terracotta,stone,cast stone,and concrete brick laid in mortar,andmay or may not be appropriate for other masonry units.1.4 This guide addresses repointing(tuckpointing)as de-fined in 3.1.3.1.5 When considering repointing,especially on masonry ofartistic,architectural,cultural,or historical significance,guid-ance from a specialist experienced in historic masonry andrepointing should be sought.1.6 This guide does not address pointing styles or profilesused on masonry or the methods of producing them.1.7 Additional repairs that may impact the structural integ-rity of the masonry may necessitate that a structural stabilityanalysis be completed prior to the execution of any work.1.8 Following this guide may involve hazardous materials,operations,and equipment.This standard does not purport toaddress all of the safety concerns,if any,associated with itsuse.It is the responsibility of the user of this standard toestablish appropriate safety and health practices and deter-mine the applicability of regulatory requirements prior to use.2.Referenced Documents2.1 ASTM Standards:2C67 Test Methods for Sampling and Testing Brick andStructural Clay TileC140 Test Methods for Sampling and Testing ConcreteMasonry Units and Related UnitsC170 Test Method for Compressive Strength of DimensionStoneC780 Test Method for Preconstruction and ConstructionEvaluation of Mortars for Plain and Reinforced UnitMasonryC1324 Test Method for Examination and Analysis of Hard-ened Masonry MortarE1857 Guide for Selection of Cleaning Techniques forMasonry,Concrete,and Stucco SurfacesC270 Specification for Mortar for Unit MasonryC1072 Test Methods for Measurement of Masonry FlexuralBond StrengthE631 Terminology of Building Constructions2.2 Other Referenced Documents:ACI 530.1/ASCE 6/TMS 602 Specifications for MasonryStructures3BIA Technical Note 7F Moisture Resistance of Brick Ma-sonry Maintenance,reissued October 19984BIA Technical Note 1 All-Weather Construction,revisedMarch 19924Secretary of the Interiors Standards for the Treatment ofHistoric Properties,revised 19955London,M.,Masonry:How to Care for Old and HistoricBrick and Stone,The Preservation Press,Washington,DC,19881This guide is under the jurisdiction of ASTM Committee E06 on Performanceof Buildings and is the direct responsibility of Subcommittee E06.24 on BuildingPreservation and Rehabilitation Technology.Current edition approved Jan.1,2012.Published January 2012.Originallypublished in 2003.Last previous edition approved in 2003 as E2260 03.DOI:10.1520/E2260-03R12E01.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American Concrete Institute(ACI),P.O.Box 9094,FarmingtonHills,MI 48333-9094,http:/www.concrete.org.4Available from the Brick Industry Association(BIA),1850 Centennial ParkDrive,Suite 301,Reston,VA 20191,http:/www.bia.org.5Available from U.S.Department of the Interior,National Park Service,Preservation Assistance Division,1849 C Street,N.W.,Washington DC 20240,http:/www.doi.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 McKee,H.J.,“Introduction to Early American Masonry:Stone,Brick,Mortar,and Plaster,”The National Trust,Washington,DC,1973.“Preparation and Use of Lime Mortars:An Introduction tothe Principles of Using Lime Mortars,”Historic Scotland,Edinburgh,Scotland,1998Oats,J.A.H.,Lime and LimestoneChemistry andTechnology,Production and Uses,Wiley-VCH,NewYork,1998Mack,R.C.,and Speweik,J.P.,Preservation Brief#2,“RepointingMortarJointsinHistoricMasonryBuildings,”National Park Service,U.S.Department of theInterior,Washington,DC,1998Weaver,M.,Conserving Buildings:A Guide to Techniquesand Materials,John Wile