ASTM_C_1167_-_11.pdf

Designation:C116711Standard Specification forClay Roof Tiles1This standard is issued under the fixed designation C1167;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.1.Scope1.1 This specification covers clay tiles intended for use asroof covering where durability and appearance are required toprovide a weather-resistant surface of specified design.1.2 Tiles are manufactured from clay,shale,or similarnaturally occurring earthy substances and subjected to heattreatment at elevated temperatures(firing).The heat treatmentmust develop a fired bond between the particulate constituentsto provide the strength and durability requirements of thisspecification(see firing and fired bond in Terminology C1232).1.3 Tiles are shaped during manufacture by molding,pressing,or extrusion and it is permitted to use the shapingmethod to describe the tiles.1.4 Tiles are generally planar or undulating rectangularshapes available in a variety of cross-sectional profiles,shapes,sizes,surface textures,and colors.1.5 Three grades of tile having various degrees of resistanceto weathering are covered in this specification.Three types oftile are defined to cover the features that influence appearance.1.6 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.7 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2C1232 Terminology of MasonryC67 Test Methods for Sampling and Testing Brick andStructural Clay TileC297/C297M Test Method for Flatwise Tensile Strength ofSandwich ConstructionsC554 Test Method for Crazing Resistance of Fired GlazedCeramic Whitewares by a Thermal Shock Method3.Terminology3.1 DefinitionsFor definitions of terms relating to struc-tural clay products,and clay roof tiles,see Terminology C1232.4.Classification4.1 Clay roof tiles covered by this specification are classi-fied by grade for durability and type for appearance as follows:4.1.1 Grades:4.1.1.1 Grade 1Providing resistance to severe frost ac-tion.4.1.1.2 Grade 2Providing resistance to moderate frostaction.4.1.1.3 Grade 3Providing negligible resistance to anyfrost action.4.1.1.4 Grades relate to exposure to weather as defined inTable 1.4.2 Types:4.2.1 Type IHigh-profile tilestiles having a rise-to-width ratio greater than 1:5.4.2.2 Type IILow-profile tilestiles having a rise-to-width ratio equal to,or less than 1:5.4.2.3 Type IIIAll other tiles,including flat.5.Material and Finish5.1 Colors and textures produced by application of inor-ganic coatings to the faces of the tiles are not prohibitedprovided that evidence satisfactory to the purchaser is fur-nished regarding the durability of the coatings.Tiles that arecolored by flashing or textured by sanding,where the sand doesnot form a continuous coating,are not considered as surface-colored tiles for the purpose of this specification.NOTE1When surface colored tiles(other than sanded or flashed)arespecified,data satisfactory to the purchaser shall be submitted showingthat after 50 cycles of freezing-thawing(5.2)there is no observabledifference in the applied finish when viewed from a distance of 40 ft(12m)under an illumination of not less than 50 fc(538 lm/m2)by an observerwith normal vision.It is not prohibited to present service records of the1This specification is under the jurisdiction of ASTM Committee C15 onManufactured Masonry Units and is the direct responsibility of SubcommitteeC15.06 on Roofing Tile.Current edition approved June 1,2011.Published June 2011.Originallyapproved in 1990.Last previous edition approved in 2009 as C1167 03(2009).DOI:10.1520/C1167-11.2For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 performance of the particular coated tiles in appropriate locations in placeof the freezing and thawing test,with the consent of the purchaser.5.2 The tiles shall be free of defects,deficiencies,orbloating,that would interfere with the proper laying of the tiles,the performance of the roof,or the requirements of thisspecification.5.2.1 Tiles that,when broken,have a dark area that has asteely appearance and is sharply delineated from the surround-ing normal